| Научен проект |
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Валентин Попов, Нови методи за получаване на графен и графенов оксид чрез модификация на аморфни и нано-дисперсни въглеродни фази, Член, , Номер на договора:ДН18/9 - 11.12.2017
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2017
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| Статия в научно списание |
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1
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D. A. Kalchevski, D. V. Trifonov, S. K. Kolev, V. N. Popov, H. A. Aleksandrov, T. I. Milenov, Theoretical study on the mechanisms of formation of primal carbon clusters and nanoparticles in space, Phys. Chem. Chem. Phys., vol:27, 2025, pages:1819-1833, doi:10.1039/D4CP02865A, Ref, Web of Science, IF (2.9 - 2024), SCOPUS, SJR (0.721 - 2024), SCOPUS Quartile: Q2 (2025)
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2025
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2
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T. Milenov, P. Rafailov, R. Yakimova, I. Shtepliuk, V. Popov, Raman fingerprint of the graphene buffer layer grown on the Si‐terminated face of 4H‐SiC (0001): Experiment and theory, J. Raman Spectrosc., vol:55, issue:3, 2024, pages:416-424, doi:https://doi.org/10.1002/jrs.6642, Ref, IF, IF (3.133 - 2023), Web of Science Quartile: Q1 (2024), International
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2024
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3
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S. K. Kolev, D. V. Trifonov, H. A. Aleksandrov, V. A. Atanasov, V. N. Popov, T. I. Milenov, DFT simulation of the Raman spectrum of single layer graphene, Journal of Physics: Conference Series, vol:2487, 2023, pages:12003-0, doi:10.1088/1742-6596/2487/1/012003, Ref, IR , SCOPUS, SJR (0.18 - 2023)
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2023
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4
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Levshov, Dmitry, I, Avramenko, Marina, V, Erkens, Maksiem, Tran, Huy-Nam, Cao, Thi Thanh, Nguyen, Van Chuc, Flahaut, Emmanuel, Popov, Valentin N., Zahab, Ahmed-Azmi, Sauvajol, Jean-Louis, Partial quenching of electronic Raman scattering in double-wall carbon nanotubes by interlayer coupling, CARBON, vol:203, 2023, pages:801-812, ISSN (print):0008-6223, ISSN (online):1873-3891, doi:10.1016/j.carbon.2022.12.003, Ref, Web of Science
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2023
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5
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M. Paillet, V. N. Popov, H. N.T ran, J.-C. Blancon, D. I. Levshov, R. Arenal, R. Parret, A.Ayari, A. San Miguel, F. Vallée, Optically active cross-band transition in double-walled carbon nanotube and its impact on Raman resonances, Carbon, vol:196, 2022, pages:950-960, doi:https://doi.org/10.1016/j.carbon.2022.05.044, Ref, Web of Science, International
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2022
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6
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Stefan K. Kolev, Hristiyan A. Aleksandrov, Victor Atanasov, Valentin N. Popov, Teodor I. Milenov, Surface chemistry of reduced graphene oxide: H-atom transfer reactions, Applied Surface Science, vol:567, 2021, pages:150815-0, doi:10.1016/j.apsusc.2021.150815, Ref, IF, IF (7.392 - 2021)
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2021
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7
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Stefan K. Kolev, Hristiyan A. Aleksandrov, Victor A. Atanasov, Valentin N. Popov, Teodor I. Milenov, Surface chemistry of reduced graphene oxide: H-atom transfer reactions, Applied Surface Science, vol:567, 2021, pages:150815-0, doi:https://doi.org/10.1016/j.apsusc.2021.150815, Ref, Web of Science, IF (7.392 - 2021), Web of Science Quartile: Q1 (2021), SCOPUS, SJR (1.295 - 2021), SCOPUS Quartile: Q1 (2021)
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2021
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8
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V. N. Popov, Theoretical evidence of a significant modification of the electronic structure of double-walled carbon nanotubes due to the interlayer interaction, Carbon, vol:170, 2020, pages:30-36, doi:https://doi.org/10.1016/j.carbon.2020.07.036, Ref, Web of Science
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2020
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9
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S. K. Kolev, H. A. Aleksandrov, V. A. Atanasov, V. N. Popov, T. I. Milenov, Interaction of Graphene with Out-of-Plane Aromatic Hydrocarbons, The Journal of Physical Chemistry C, 2019, doi:10.1021/acs.jpcc.9b03550, Ref, Web of Science
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2019
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10
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V. N. Popov, Two-phonon Raman scattering in graphene, AIP Conf. Proceedings, vol:2075, issue:110001, 2019, doi:doi.org/10.1063/1.5091252, Ref, IF, IF (0.4 - 2019)
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2019
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11
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V. N. Popov, D. I. Levshov, J. L. Sauvajol, Computational study of the shift of the G band of double-walled carbon nanotubes due to interlayer interactions, Physical Review B , том:97, брой:16, 2018, doi:10.1103/PhysRevB.97.165417 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2018
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12
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Christoph Tyborski, Asmus Vierck, Rohit Narula, Valentin N. Popov, Janina Maultzsch, Double-resonant Raman scattering with optical and acoustic phonons in carbon nanotubes, Physical Review B , том:97, брой:21, 2018, doi:10.1103/PhysRevB.97.214306, Ref, Web of Science, в сътрудничество с чуждестранни учени, PhD
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2018
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13
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V. N. Popov, Raman bands of twisted bilayer graphene, J. Raman Spectroscopy, том:49, брой:1, 2018, стр.:31-35, doi:10.1002/jrs.5189, Ref, Web of Science
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2018
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14
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V. N. Popov, Two-phonon Raman bands of single-walled carbon nanotubes: A case study, Phys. Rev. B, том:98, брой:8, 2018, стр.:85413-0, doi:10.1103/PhysRevB.98.085413, Ref, Web of Science
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2018
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15
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T. I. Milenov, I. Avramova, E. Valcheva, G. V. Avdeev, S. Rusev, S. Kolev, I. Balchev, I. Petrov, V. N. Popov, Deposition of defected graphene on (001) Si substrates by thermal decomposition of acetone, Superlattices and Microstructures , том:111, 2017, стр.:45-56, doi:10.1016/j.spmi.2017.04.042 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2017
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16
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Dmitry I. Levshov, Huy-Nam Tran, Thierry Michel, Thi Thanh Cao, Van Chuc Nguyen, Raul Arenal, Valentin N. Popov, Jean-Louis Sauvajol, Ahmed-Azmi Zahab, , Matthieu Paillet, Interlayer interaction effects on the G modes in double-walled carbon nanotubes with different electronic configurations, phys. stat. sol. B, том:254, брой:11, 2017, doi:10.1002/pssb.201700251 , Ref, Web of Science, в сътрудничество с чуждестранни учени, PhD
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2017
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17
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Bachev, R., Popov, V., Strigachev, A., Semkov, E., Ibryamov, S., Spassov, B., Latev, G., Dimitrova, R. V. Munoz, Boeva, S., Intra-night variability of the blazar CTA 102 during its 2012 and 2016 giant outbursts, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, vol:471, issue:2, 2017, pages:2216-2223, ISSN (print):0035-8711, ISSN (online):1365-2966, doi:10.1093/mnras/stx1818
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2017
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18
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D. I. Levshov, R. Parret, H.-N. Tran, Th. Michel, Th. Th. Cao, V. Ch. Nguyen, R. Arenal, V. N. Popov, S. B. Rochal, J.-L. Sauvajol, Photoluminescence from an individual double-walled carbon nanotubes, Phys. Rev. B , том:96, брой:195410, 2017, стр.:1-7, doi:10.1103/PhysRevB.96.195410, Ref, Web of Science, в сътрудничество с чуждестранни учени, PhD
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2017
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19
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Milenov, T. I., Valcheva, E., Popov, V. N., Raman Spectroscopic Study of As-Deposited and Exfoliated Defected Graphene Grown on (001) Si Substrates by CVD, JOURNAL OF SPECTROSCOPY, vol:2017, 2017, ISSN (print):2314-4920, ISSN (online):2314-4939, doi:10.1155/2017/3495432
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2017
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20
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T. I. Milenov, E. Valcheva, V. N. Popov, Raman Spectroscopic Study of Defected Graphene Deposited on (001) Si Substrates by CVD, J. Spectroscopy , 2017, Ref, Web of Science, в сътрудничество с чуждестранни учени
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2017
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21
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V. N. Popov, Ph. Lambin, Comparative study of the two-phonon Raman bands of silicene and graphene, 2D Materials , том:3, 2016, doi:10.1088/2053-1583/3/2/025014 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2016
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22
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H. N. Tran, J.-C. Blancon, J.-R. Huntzinger, R. Arenal, V. N. Popov, A. A. Zahab, A. Ayari, A San-Miguel, F. Vallee, N. Del Fatti, Excitonic optical transitions characterized by Raman excitation profiles in single-walled carbon nanotubes, Phys. Rev. B, том:94, 2016, doi:10.1103/PhysRevB.94.075430, Ref, Web of Science, в сътрудничество с чуждестранни учени
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2016
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23
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Kurtenkov, A. A., Pessev, P., Tomov, T., Barsukova, E. A., Fabrika, S., Vida, K., Hornoch, K., Ovcharov, E. P., Goranskij, V. P., Valeev, A. F., The January 2015 outburst of a red nova in M31, ASTRONOMY & ASTROPHYSICS, vol:578, 2015, ISSN (print):1432-0746, doi:10.1051/0004-6361/201526564
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2015
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24
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V. N. Popov, Two-phonon Raman bands of bilayer graphene: Revisited, Carbon, том:91, 2015, стр.:436-444, doi:10.1016/j.carbon.2015.05.020 , Ref, Web of Science
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2015
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25
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V. N. Popov, Ch. van Alsenoy, Low-frequency phonons of few-layer graphene within a tight-binding model, Phys. Rev. B, том:90, 2014, doi:10.1103/PhysRevB.90.245429 , Ref, Web of Science
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2014
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26
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V. N. Popov, Ph. Lambin, Theoretical 2D Raman band of strained graphene, Phys. Rev. B, том:87, брой:155425, 2013, стр.:1-7, doi:10.1103/PhysRevB.87.155425 , Ref, Web of Science
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2013
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27
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Popov, Valentin N., V. N. Popov, Theoretical Raman fingerprints of alpha-, beta-, and gamma-graphyne, PHYSICAL REVIEW B, vol:88, issue:7, 2013, ISSN (print):2469-9950, ISSN (online):2469-9969, doi:10.1103/PhysRevB.88.075427
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2013
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28
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V. N. Popov, Ph. Lambin, Theoretical Raman fingerprints of α-, β-, and γ-graphyne, Phys. Rev. B, том:88, брой:075427, 2013, стр.:1-5, doi:10.1103/PhysRevB.88.075427, Ref, Web of Science
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2013
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29
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V. N. Popov, Ph. Lambin, Theoretical Raman intensity of the G and 2D bands of strained graphene, Carbon, том:54, 2013, стр.:86-93, doi:10.1016/j.carbon.2012.11.006 , Ref, Web of Science
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2013
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30
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V. N. Popov, Ph. Lambin, Theoretical polarization dependence of the two-phonon double-resonant Raman spectra of graphene, Eur. Phys. J B, том:85, брой:418, 2012, стр.:1-8, doi:10.1140/epjb/e2012-30684-x , Ref, Web of Science
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2012
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31
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V. N. Popov, Theoretical study of the doping effect on the phonon dispersion of metallic carbon nanotubes, Physica E, том:44, брой:6, 2012, doi:10.1016/j.physe.2010.10.007 , Ref, Web of Science
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2012
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32
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Uzunova E., M. Georgieva, M. N. Pavlova, S. Studenkov, V. Popov, Variation of abundance and demographic structure of the introduced pumpkinseed, Lepomis gibbosus (Actinopterygii: Perciformes: Centrarchidae), in relation to littoral habitats and water body use. , Acta Ichthyologica et Piscatoria, vol:4, issue:2, 2012, pages:121-130, Ref, Web of Science, SCOPUS, SJR ( - 2012), SCOPUS Quartile: Q3 (2012), MSc
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2012
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33
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D. Levshov, T. Than, R. Arenal, V. N. Popov, R. Parret, M. Paillet, V. Jourdain, A. A. Zahab, T. Michel, Yu. I. Yuzyuk, J.-L. Sauvajol, Experimental evidence of a mechanical coupling between layers in an individual double-walled carbon nanotube, Nano Letters, том:11, 2011, стр.:4800-4804, doi:10.1021/nl2026234 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2011
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34
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V. N. Popov, Non-adiabatic phonon dispersion of graphene, Bulg. J. Phys., том:38, 2011, стр.:72-84, Ref
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2011
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35
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V. N. Popov, Ph. Lambin, Dynamic and charge doping effects on the phonon dispersion of graphene, Phys. Rev. B, том:82, 2010, doi:10.1103/PhysRevB.82.045406 , Ref, Web of Science
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2010
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36
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V. N. Popov, Ph. Lambin, Intermediate frequency Raman spectra of defective single-walled carbon nanotubes, Physica Status Solidi B, том:247, брой:4, 2010, стр.:892-895, doi:10.1002/pssb.200982970 , Ref, Web of Science
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2010
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37
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V. N. Popov, Ph. Lambin, Non-Adiabatic Phonon Dispersion of Metallic Single-Walled Carbon Nanotubes, Nano Res. , том:3, 2010, стр.:822-829, doi:10.1007/s12274-010-0052-2 , Ref, Web of Science
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2010
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38
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V. N. Popov, Ph. Lambin, Theoretical phonon dispersion of armchair and metallic zigzag carbon nanotubes beyond the adiabatic approximation, Physica Status Solidi B, том:247, брой:11-12, 2010, doi:10.1002/pssb.201000112 , Ref, Web of Science
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2010
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39
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V. N. Popov, L. Henrard, Ph. Lambin, Resonant Raman spectra of graphene with point defects, Carbon, том:47, брой:10, 2009, стр.:2448-2455, doi:10.1016/j.carbon.2009.04.043 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2009
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40
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V. N. Popov, Ph. Lambin, Theoretical resonant Raman spectra of nanotube (7,0) with point defects, Physica Status Solidi B, том:245, брой:11-12, 2009, стр.:2602-2605, doi:10.1002/pssb.200982279 , Ref, Web of Science
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2009
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41
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A. Debarre, M. Kobylko, A. M. Bonnot, A. Richard, V. N. Popov, L. Henrard, M. Kociak, Electronic and Mechanical Coupling of Carbon Nanotubes: A Tunable Resonant Raman Study of Systems with Known Structures, Phys. Rev. Lett., том:101, брой:19, 2008, doi:10.1103/PhysRevLett.101.197403 , Ref, Web of Science
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2008
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42
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M. N. Iliev, V. G. Hajiev, S. Jandl, D. Le Boeuf, V. N. Popov, D. Bonn, R. Liang, W. N. Hardy, Raman study of twin-free ortho-II YBa2Cu3O6.5 single crystals, : Physical Review B , том:77, брой:17, 2008, doi:10.1103/PhysRevB.77.174302 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2008
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43
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T. Michel, M. Paillet, J. C. Meyer, V. N. Popov, L. Henrard, J.-L. Sauvajol, E33 and E44 optical transitions in semiconducting single-walled carbon nanotubes: Electron diffraction and Raman experiments, Phys. Rev. B, том:75, брой:15, 2007, doi:10.1103/PhysRevB.75.155432 , Ref, Web of Science
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2007
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44
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M. N. Iliev,, V. G. Hadjiev, A. P. Litvinchuk, F. Yen, Y.-Q. Wang, Y. Y. Sun, S. Jandl, J. Laverdière, V. N. Popov, M. M. Gospodinov, Multiple-order Raman scattering from rare-earth manganites: Oxygen isotope and rare-earth substitution effects, 75, том:6, 2007, doi:10.1103/PhysRevB.75.064303 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2007
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45
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A. Jungen, V. N. Popov, C. Stampfer, L. Durrer, S. Stoll, C. Hierold, Raman intensity mapping of single-walled carbon nanotubes, Phys. Rev. B, том:75, брой:4, 2007, doi:10.1103/PhysRevB.75.041405 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2007
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46
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T. Michel, M. Paillet, J. C. Meyer, V. N. Popov, L. Henrard, P. Poncharal, A. Zahab, J.-L. Sauvajol, Raman spectroscopy of (n,m)-identified individual single-walled carbon nanotubes, Physica Status Solidi B, том:244, брой:11, 2007, стр.:3986-3991, doi:10.1002/pssb.200776177 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2007
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47
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V. N. Popov, Ph. Lambin, Symmetry-adapted tight-binding calculations of the totally symmetric A(1) phonons of single-walled carbon nanotubes and their resonant Raman intensity, Physica E, том:37, брой:1-2, 2007, стр.:97-104, doi:10.1016/j.physe.2006.08.005 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2007
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48
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V. N. Popov, Ph. Lambin, Theoretical Raman intensity of the radial breathing mode of single-walled carbon nanotubes, Physica Status Solidi B, том:244, брой:11, 2007, стр.:4269-4274, doi:10.1002/pssb.200776176 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2007
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49
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H. Rauf, T. Pichler, R. Pfeiffer, F. Simon, H. Kuzmany, V. N. Popov, Detailed analysis of the Raman response of n-doped double-wall carbon nanotubes, Physical Review B , том:74, брой:23, 2006, doi:10.1103/PhysRevB.74.235419 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2006
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50
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V. N. Popov, Ph. Lambin, Intraband electron-phonon scattering in single-walled carbon nanotubes, Physical Review B , том:74, брой:7, 2006, doi:10.1103/PhysRevB.74.075415 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2006
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51
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V. N. Popov, Ph. Lambin, Radius and chirality dependence of the radial breathing mode and the G-band phonon modes of single-walled carbon nanotubes, Physical Review B, том:73, брой:8, 2006, doi:10.1103/PhysRevB.73.085407 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2006
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52
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M. Paillet, T. Michel, J. C. Meyer, V. N. Popov, L. Henrard, S. Roth, J.-L. Sauvajol, Raman Active Phonons of Identified Semiconducting Single-Walled Carbon Nanotubes, Physical Review Letters , том:96, брой:25, 2006, doi:10.1103/PhysRevLett.96.257401 , Ref, Web of Science, в сътрудничество с чуждестранни учени, PhD
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2006
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53
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V. N. Popov, Ph. Lambin, Resonant Raman intensity of the totally symmetric phonons of single-walled carbon nanotubes, Physical Review B , том:73, брой:16, 2006, doi:10.1103/PhysRevB.73.165425 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2006
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54
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V. N. Popov, Ph. Lambin, Symmetry-adapted tight-binding calculations of the phonon dispersion and the resonant Raman intensity of the totally symmetric phonons of single-walled carbon nanotubes, Physica Status Solidi B, том:243, брой:13, 2006, стр.:3480-3484, Ref, Web of Science, в сътрудничество с чуждестранни учени
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2006
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55
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R. Pfeiffer, F. Simon, H. Kuzmany, V. N. Popov, V. Zólyomi, J. Kürti, Tube–tube interaction in double-wall carbon nanotubes, Physica Status Solidi B, том:243, брой:13, 2006, стр.:3268-3272, doi:10.1002/pssb.200669176 , Ref, Web of Science, в сътрудничество с чуждестранни учени, PhD
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2006
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56
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M. N. Iliev, V. N. Popov, A.P. Litvinchuk, M. V. Abrashev, J. Ba¨ ckstro¨m, Y.Y. Sun, R.L. Meng, C.W. Chu, Comparative Raman studies of Sr2RuO4; Sr3Ru2O7 and Sr4Ru3O10, Physica B, том:358, брой:1-4, 2005, стр.:138-152, doi:10.1016/j.physb.2004.12.069 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2005
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57
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M. N. Iliev, V. N. Popov, A.P. Litvinchuk, M. V. Abrashev, J. Ba¨ ckstro¨m, Y.Y. Sun, R.L. Meng, C.W. Chu, Comparative Raman studies of Sr2RuO4; Sr3Ru2O7 and Sr4Ru3O10, Physica B, том:358, брой:1-4, 2005, стр.:138-152, doi:10.1016/j.physb.2004.12.069 , Ref, IF, IF (0.796 - 2005), SCOPUS Quartile: Q2 (2005), в сътрудничество с чуждестранни учени
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2005
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58
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V. N. Popov, L. Henrard, Ph. Lambin, Electron-phonon and electron-photon interactions and resonant Raman scattering from the radial-breathing mode of single-walled carbon nanotubes, Physical Review B , том:72, брой:3, 2005, doi:10.1103/PhysRevB.72.035436 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2005
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59
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R. Pfeiffer, F. Simon, H. Kuzmany, V. N. Popov, Fine structure of the radial breathing mode of double-wall carbon nanotubes, Physical Review B , том:72, брой:15, 2005, doi:10.1103/PhysRevB.72.161404 , Ref, Web of Science, в сътрудничество с чуждестранни учени, PhD
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2005
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60
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Z. V. Popovic, M. J. Konstantinovic, V. N. Popov, Optical phonons in the NaTiSi2O6 oxide with S=1/2 spin chains, Physical Review B , том:71, брой:22, 2005, doi:10.1103/PhysRevB.71.224302 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2005
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61
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V. N. Popov, L. Henrard, Optical properties of single-walled carbon nanotubes within a nonorthogonal tight-binding model, Fullerenes Nanotubes and Carbon Nanostructures , том:13, 2005, стр.:45-52, doi:10.1081/fst-200039187 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2005
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62
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M. N. Iliev, S. Jandl, V. N. Popov, Raman spectroscopy of Ca3Ru2O7: Phonon line assignment and electron scattering, Physical Review B , том:71, брой:21, 2005, doi:10.1103/PhysRevB.71.214305 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2005
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63
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V. N. Popov, Curvature effects on the structural, electronic and optical properties of isolated single-walled carbon nanotubes within a symmetry-adapted non-orthogonal tight-binding model, New Journal of Physics , том:6, 2004, стр.:1-17, doi:10.1088/1367-2630/6/1/017 , Ref, Web of Science
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2004
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64
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Z. M. Li, V. N. Popov, Z. K. Tang, A symmetry-adapted force-constant lattice-dynamical model for single-walled carbon nanotubes, Solid State Communications , том:130, брой:10, 2004, стр.:657-661, doi:10.1016/j.ssc.2004.03.038 , Ref, Web of Science, в сътрудничество с чуждестранни учени, PhD
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2004
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65
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V. N. Popov, Carbon nanotubes: properties and application, Mater. Science Eng. R, том:43, 2004, стр.:61-102, Ref, Web of Science, в сътрудничество с чуждестранни учени
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2004
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66
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V. N. Popov, L. Henrard, Comparative study of the optical properties of single-walled carbon nanotubes within orthogonal and nonorthogonal tight-binding models, Physical Review B , том:70, брой:11, 2004, doi:10.1103/PhysRevB.70.115407 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2004
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67
|
R. Pfeiffer, Ch. Kramberger, F. Simon, H. Kuzmany, V. N. Popov, H. Kataura, Interaction between concentric tubes in DWCNTs, European Physical Journal B, том:42, брой:3, 2004, стр.:345-350, doi:10.1140/epjb/e2004-00389-0 , Ref, Web of Science, в сътрудничество с чуждестранни учени, PhD
|
2004
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68
|
M. Krause, V. N. Popov, M. Inakuma, Multipole induced splitting of metal-cage vibrations in crystalline endohedral D-2d-M-2@C-84 dimetallofullerenes, Journal of Chemical Physics , том:120, брой:4, 2004, doi:10.1063/1.1632899 , Ref, Web of Science, в сътрудничество с чуждестранни учени, PhD
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2004
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69
|
M. N. Iliev, A. P. Litvinchuk, M. V. Abrashev, V. N. Popov, J. Cmaidalka, B. Lorenz, R. L. Meng, Phonons and magnetic excitations in the Mott insulator LaTiO3, Physical Review B , том:69, брой:17, 2004, стр.:172301-0, doi:10.1103/PhysRevB.69.172301 , Ref, IF, IF (3.075 - 2004), SCOPUS Quartile: Q1 (2004), в сътрудничество с чуждестранни учени
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2004
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70
|
A. P. Litvinchuk, M. N. Iliev, V. N. Popov, Raman and infrared-active phonons in hexagonal HoMnO3 single crystals: magnetic ordering effects, Journal of Physics-Condensed Matter , том:16, брой:6, 2004, стр.:809-819, doi:10.1088/0953-8984/16/6/011 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2004
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71
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V. N. Popov, L. Henrard, P. Lambin, Resonant raman intensity of the radial breathing mode of single-walled carbon nanotubes within a nonorthogonal tight-binding model, Nano Letters, том:4, брой:9, 2004, стр.:1795-1799, Ref, Web of Science, в сътрудничество с чуждестранни учени
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2004
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72
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V. N. Popov, Theoretical evidence for T-1/2 specific heat behavior in carbon nanotube systems, Carbon, том:42, брой:5-6, 2004, стр.:991-995, doi:10.1016/j.carbon.2003.12.014 , Ref, Web of Science
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2004
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73
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B. Verberck, V. N. Popov, A. V. Nikolaev, Valence electronic charge density of distorted C-60(-) monomers in polymerized KC60 and RbC60, Journal of Chemical Physics , том:121, брой:1, 2004, стр.:321-327, doi:10.1063/1.1755676 , Ref, Web of Science, в сътрудничество с чуждестранни учени, PhD
|
2004
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74
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V. N. Popov, N. H. March, V. E. Van Doren, Estimation of the cleavage force of crystalline semiconductors with diamond and zinc-blende structure, Journal of Physics and Chemistry of Solids, том:64, брой:1, 2003, стр.:159-160, doi:10.1016/s0022-3697(02)00203-2 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2003
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75
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V. N. Popov, Lattice dynamics of single-walled boron nitride nanotubes, Physical Review B , том:67, брой:8, 2003, doi:10.1103/PhysRevB.67.085408 , Ref, Web of Science
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2003
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76
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A. P. Litvinchuk, C. L. Chen, N. Kolev, V. N. Popov, V. G. Hadjiev, M. N. Iliev, R. P. Bontchev, A. J. Jacobson, Optical properties of high-dielectric-constant CaCu3Ti4O12 films, Physica Status Solidi a, том:195, брой:2, 2003, doi:10.1002/pssa.200305930 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2003
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77
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M. N. Iliev, M. V. Abrashev, V. N. Popov, V. G. Hadjiev, Role of Jahn-Teller disorder in Raman scattering of mixed-valence manganites, Physical Review B, том:67, брой:21, 2003, стр.:212301-0, doi:10.1103/PhysRevB.67.212301 , Ref, IF, IF (2.962 - 2003), SCOPUS Quartile: Q1 (2003), в сътрудничество с чуждестранни учени
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2003
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78
|
N. Kolev, M. N. Iliev, V. N. Popov, Temperature-dependent polarized Raman spectra of CaFe2O4, Solid State Communications, том:128, брой:4, 2003, doi:10.1016/s0038-1098(03)00660-4 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2003
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79
|
V. N. Popov, L. Henrard, Breathinglike phonon modes of multiwalled carbon nanotubes, Physical Review B , том:65, брой:23, 2002, doi:10.1103/PhysRevB.65.235415 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2002
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80
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V. N. Popov, Low-temperature specific heat of nanotube systems, Physical Review B , том:66, брой:15, 2002, doi:10.1103/PhysRevB.66.153408 , Ref, Web of Science
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2002
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81
|
Z. V. Popovic, M. J. Konstantinovic, R. Gajic, V. N. Popov, M. Isobe, Y. Ueda, V. V. Moshchalkov, Phonon dynamics in AV2O5 (A=Na,Ca,Mg,Cs) oxides, Physical Review B , том:65, брой:18, 2002, doi:10.1103/PhysRevB.65.184303 , Ref, Web of Science, в сътрудничество с чуждестранни учени, PhD
|
2002
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82
|
N. Kolev, R. P. Bontchev, A. J. Jacobson, V. N. Popov, V. G. Hadjiev, A. P. Litvinchuk, M. N. Iliev, Raman spectroscopy of CaCu3Ti4O12, Physical Review B , том:66, брой:13, 2002, doi:10.1103/PhysRevB.66.132102 , Ref, Web of Science, в сътрудничество с чуждестранни учени
|
2002
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83
|
M. V. Abrashev, J. Ba¨ckstro¨m, L. Bo¨rjesson, V. N. Popov, R. A. Chakalov, N. Kolev, R.-L. Meng, M. N. Iliev, Raman spectroscopy of CaMnO3: Mode assignment and relationship between Raman line intensities and structural distortions, Physical Review B , том:65, брой:18, 2002, стр.:184301-0, doi:10.1103/PhysRevB.65.184301 , Ref, IF, IF (3.327 - 2002), SCOPUS Quartile: Q1 (2002), в сътрудничество с чуждестранни учени, PhD
|
2002
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84
|
N. Kolev, C. L. Chen, M. Gospodinov, R. P. Bontchev, V. N. Popov, A. P. Litvinchuk, M. V. Abrashev, V. G. Hadjiev, M. N. Iliev, Raman spectroscopy of CaRuO3, Physical Review B , том:66, брой:1, 2002, стр.:14101-0, doi:10.1103/PhysRevB.66.014101 , Ref, IF, IF (3.327 - 2002), SCOPUS Quartile: Q1 (2002), в сътрудничество с чуждестранни учени, PhD
|
2002
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85
|
A. P. Litvinchuk, S. Y. Chen, M. N. Iliev, C. L. Chen, C. W. Chen, V. N. Popov, Carrier dynamics and infrared-active phonons in c-axis oriented RuSr2GdCU2O8 film, Physica C, том:361, брой:4, 2001, стр.:234-238, doi:10.1016/s0921-4534(01)00607-4 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2001
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86
|
V. N. Popov, L. Henrard, Evidence for the existence of two breathinglike phonon modes in infinite bundles of single-walled carbon nanotubes, Physical Review B , том:63, брой:23, 2001, doi:10.1103/PhysRevB.63.233407 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2001
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87
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L. Henrard, V. N. Popov, A. Rubio, Influence of packing on the vibrational properties of infinite and finite bundles of carbon nanotubes, Physical Review B , том:64, брой:20, 2001, doi:10.1103/PhysRevB.64.205403 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2001
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88
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V. G. Hadjiev, J. Backstrom, V. N. Popov, Symmetry of phonon, magnetic, and spin-phonon excitations in GdSr2RuCu2O8 single crystals, Physical Review B , том:64, брой:13, 2001, doi:10.1103/PhysRevB.64.134304, Ref, Web of Science, в сътрудничество с чуждестранни учени
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2001
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89
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V. N. Popov, V. E. Van Doren, M. Balkanski, Elastic properties of single-walled carbon nanotubes, Physical Review B , том:61, брой:4, 2000, стр.:3078-3084, doi:10.1103/PhysRevB.61.3078 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2000
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90
|
R. P. Bontchev, A. J. Jacobson, M. M. Gospodinov, V. Skumryev, V. N. Popov, B. Lorenz, R. L. Meng, A. P. Litvinchuk, M. N. Iliev, Crystal structure, electric and magnetic properties, and Raman spectroscopy of Gd3RuO7, Physical Review B , том:62, брой:18, 2000, doi:10.1103/PhysRevB.62.12235 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2000
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91
|
V. N. Popov, V. E. Van Doren, M. Balkanski, Elastic properties of crystals of single-walled carbon nanotubes, Solid State Communications , том:114, брой:7, 2000, стр.:395-399, doi:10.1016/s0038-1098(00)00070-3 , Ref, Web of Science, в сътрудничество с чуждестранни учени
|
2000
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92
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A. P. Litvinchuk, M. N. Iliev, Y.-Y. Xue, R. L. Meng, C. W. Chu, V. N. Popov, Optical conductivity and infrared-active phonons in RuSr2GdCu2O8, Physical Review B , том:62, брой:14, 2000, doi:10.1103/PhysRevB.62.9709 , Ref, Web of Science, в сътрудничество с чуждестранни учени
|
2000
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93
|
M. N. Iliev, A. P. Litvinchuk, V. N. Popov, Raman phonons in RuSr2GdCu2O8, Physica C, том:341, 2000, стр.:2209-2212, doi:10.1016/s0921-4534(00)00990-4 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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2000
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94
|
M. V. Abrashev, A. P. Litvinchuk, M. N. Iliev, R. L. Meng, V. N. Popov, V. G. Ivanov, R. A. Chakalov, C. Thomsen, Comparative study of optical phonons in the rhombohedrally distorted perovskites LaAlO3 and LaMnO3, Physical Review B , том:59, брой:6, 1999, стр.:4146-4153, doi:10.1103/PhysRevB.59.4146 , Ref, IF, IF (3.619 - 1999), SCOPUS Quartile: Q1 (1999), в сътрудничество с чуждестранни учени
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1999
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95
|
V. N. Popov, V. E. Van Doren, M. Balkanski, Lattice dynamics of single-walled carbon nanotubes, Physical Review B , том:59, брой:13, 1999, стр.:8355-8358, doi:10.1103/PhysRevB.59.8355 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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1999
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96
|
Z.V. Popovic, M.J. Konstantinovic, R. Gajic, V. Popov, Y.S. Raptis, A.N. Vasil’ev, M. Isobe, Y. Ueda, Lattice vibrations in spin-Peierls compound NaV2O5, Solid State Communications , том:110, брой:7, 1999, стр.:381-386, doi:10.1016/s0038-1098(99)00081-2 , Ref, Web of Science, в сътрудничество с чуждестранни учени, PhD
|
1999
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97
|
M. N. Iliev, A. P. Litvinchuk, H.-G. Lee, C. L. Chen, M. L. Dezaneti, C. W. Chu, V. G. Ivanov, M. V. Abrashev, V. N. Popov, Raman spectroscopy of SrRuO3 near the paramagnetic-to-ferromagnetic phase transition, Physical Review B , том:59, брой:1, 1999, стр.:364-368, doi:10.1103/PhysRevB.59.364 , Ref, IF, IF (3.619 - 1999), SCOPUS Quartile: Q1 (1999), в сътрудничество с чуждестранни учени
|
1999
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98
|
Z. V. Popovi´c, M. J. Konstantinovi´c, R. Gaji´c, V. Popov, Y. S. Raptis, A. N. Vasil’ev, M. Isobe, Y. Ueda, Optical phonons in spin–Peierls compound NaV2O5, Journal of Physics-Condensed Matter , том:10, брой:29, 1998, стр.:513-519, doi:10.1088/0953-8984/10/29/005 , Ref, Web of Science, в сътрудничество с чуждестранни учени, PhD
|
1998
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|
99
|
M. N. Iliev, M. V. Abrashev, H.-G. Lee, V. N. Popov, Y. Y. Sun, C. Thomse, R. L. Meng, C. W. Chu, Raman active phonons in orthorhombic YMnO3 and LaMnO3, J. Phys. Chem. Solids, том:59, брой:10-12, 1998, стр.:1982-1984, doi:10.1016/S0022-3697(98)00161-9, Ref, IF, IF (0.909 - 1998), SCOPUS Quartile: Q1 (1998), в сътрудничество с чуждестранни учени
|
1998
|
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100
|
M. N. ILIEV, M. V. ABRASHEV, H.-G. LEE, V. N. Popov, Y. Y. SUN, C. THOMSEN, R. L. MENG, C. W. CHU, Raman active phonons in orthorhombic YMnO3 and LaNnO(3), Journal of Physics and Chemistry of Solids , том:59, брой:10-12, 1998, стр.:1982-1984, Ref, Web of Science, в сътрудничество с чуждестранни учени
|
1998
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101
|
M. N. Iliev, M. V. Abrashev, H.-G. Lee, V. N. Popov, Y. Y. Sun, C. Thomsen, R. L. Meng, C. W. Chu, Raman spectroscopy of orthorhombic perovskitelike YMnO3 and LaMnO3, Physical Review B , том:57, брой:5, 1998, стр.:2872-2877, doi:10.1103/PhysRevB.57.2872 , Ref, IF, IF (2.842 - 1998), SCOPUS Quartile: Q1 (1998), в сътрудничество с чуждестранни учени
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1998
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102
|
M. V. Abrashev, V. N. Popov, C. Thomsen, Raman-active phonons in the quasi-one-dimensional conductor ( x = 1.6, 2.0): polarized Raman spectroscopy and lattice dynamical calculations, Journal of Physics: Condensed Matter, том:10, брой:7, 1998, стр.:1643-1654, doi:10.1088/0953-8984/10/7/012, Ref, IF, IF (1.645 - 1998), SCOPUS Quartile: Q1 (1998), в сътрудничество с чуждестранни учени
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1998
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103
|
A. V. Abrashev, V. N. Popov, C. Tomsen, Raman-active phonons in the quasi-one-dimensional conductor La8-xSrxCu8O20-delta (x = 1.6, 2.0): polarized Raman spectroscopy and lattice dynamical calculations, Journal of Physics-Condensed Matter , том:10, брой:7, 1998, стр.:1643-1654, doi:10.1088/0953-8984/10/7/012 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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1998
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104
|
M. V. Abrashev, A. P. Litvinchuk, C. Thomsen, V. N. Popov, Fro¨hlich-interaction-induced multiphonon Raman scattering in SrCuO2 and Sr0.5Ca0.5CuO2, Physical Review B , том:55, брой:14, 1997, стр.:8638-8641, doi:10.1103/PhysRevB.55.R8638, Ref, IF, IF (3.008 - 1998), SCOPUS Quartile: Q1 (1997), в сътрудничество с чуждестранни учени
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1997
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105
|
Abrashev, MV, Litvinchuk, AP, Thomsen, C, Popov, VN, Frohlich-interaction-induced multiphonon Raman scattering in SrCuO2 and Sr0.5Ca0.5CuO2, PHYSICAL REVIEW B, vol:55, issue:14, 1997, ISSN (print):2469-9950, ISSN (online):2469-9969
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1997
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106
|
M. V. Abrashev, A. P. Litvinchuk, C. Thomsen, V. N. Popov, Optical phonons in the orthorhombic double-chain Sr1-xCaxCuO2 (x=0, 0.5), Physical Review B , том:55, брой:14, 1997, стр.:9136-9141, doi:10.1103/PhysRevB.55.9136 , Ref, IF, IF (3.008 - 1998), SCOPUS Quartile: Q1 (1997), в сътрудничество с чуждестранни учени
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1997
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107
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V.G. Hadjiev, M. Cardona, I. lvanov, V. Popov, M. Gyulmezov, M.N, Iliev, M. Berkowski, Optical phonons probe of the SrLaalO 4 crystal structure, Journal of Alloys and Compounds, том:251, брой:1-2, 1997, doi:10.1016/s0925-8388(96)02759-4 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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1997
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108
|
M. N. Iliev, H. G. Lee, V. N. Popov, Raman- and infrared-active phonons in hexagonal YMnO3: Experiment and lattice-dynamical calculations, Physical Review B , том:56, брой:5, 1997, стр.:2488-2494, doi:10.1103/PhysRevB.56.2488 , Ref, Web of Science, в сътрудничество с чуждестранни учени
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1997
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109
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M. N. Iliev, H.-G. Lee, V. N. Popov, M. V. Abrashev, A. Hamed, R. L. Meng, C. W. Chu, Raman- and infrared-active phonons in hexagonal YMnO3: Experiment and lattice-dynamical calculations, PHYSICAL REVIEW B, том:56, 1997, стр.:2488-2494, doi:10.1103/PhysRevB.56.2488, Ref, IF, IF (3.008 - 1998), SCOPUS Quartile: Q1 (1997)
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1997
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110
|
M. V. Abrashev, C. Thomsen, V. N. Popov, L. N. Bozukov, Raman spectroscopy and lattice-dynamics calculations of mixed layered copper-titanium oxides, Physica C, том:274, брой:1-2, 1997, стр.:141-148, doi:10.1016/s0921-4534(96)00657-0 , Ref, IF, IF (1.723 - 1996), SCOPUS Quartile: Q1 (1997), в сътрудничество с чуждестранни учени
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1997
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111
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S. D. Devic, Z. V. Popovic, V. N. Popov, Temperature dependence of Raman active modes in CuGeO3, Solid State Communications , том:102, брой:8, 1997, стр.:599-604, doi:10.1016/s0038-1098(97)00027-6 , Ref, Web of Science, в сътрудничество с чуждестранни учени, PhD
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1997
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112
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Z. V. Popovic, S. D. Devic, V. N. Popov, PHONONS IN CUGEO3 STUDIED USING POLARIZED FAR-INFRARED AND RAMAN-SCATTERING SPECTROSCOPIES, Physical Review B , том:52, брой:6, 1995, стр.:4185-4190, doi:10.1103/PhysRevB.52.4185 , Ref, Web of Science, в сътрудничество с чуждестранни учени, PhD
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1995
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113
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M. V. Abrashev, V. N. Popov, Raman-active phonons in La4BaCu5O13: polarized Raman spectroscopy and lattice dynamical calculations, Journal of Physics-Condensed Matter, том:7, брой:25, 1995, стр.:4967-4973, doi:10.1088/0953-8984/7/25/019 , Ref, IF, IF (1.645 - 1998), SCOPUS Quartile: Q1 (1995)
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1995
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114
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V. N. Popov, SHELL-MODEL PARAMETERS FOR LAYERED COPPER OXIDES, Journal of Physics-Condensed Matter , том:7, брой:8, 1995, стр.:1625-1638, doi:10.1088/0953-8984/7/8/011 , Ref, Web of Science
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1995
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115
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D. M. Mateev, V. N. Popov, V. G. Hadjiev, GAMMA-POINT OPTICAL PHONONS IN T'-PHASE, T-ASTERISK-PHASE AND T-PHASE OF THE PR2-XSRXCUO4-DELTA SYSTEM - EXPERIMENT AND THEORY, Physica C, том:235, 1994, стр.:1189-1190, Ref, Web of Science, PhD
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1994
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116
|
Y. K. Atanassova, V. N. Popov, G.G. Bogachev, RAMAN-ACTIVE AND INFRARED-ACTIVE PHONONS IN YBACUFEO5 - EXPERIMENT AND LATTICE-DYNAMICS, Physical Review B , том:47, брой:22, 1993, стр.:15201-15207, doi:10.1103/PhysRevB.47.15201 , Ref, Web of Science, в сътрудничество с чуждестранни учени, PhD
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1993
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117
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Zlateva G., V. Popov, M. Gyulmezov, L. N. Bozukov, M. N. Iliev, PHONONS IN CA2-XSRXCUO3 (X=0, 0.2 AND 0.4) - RAMAN AND INFRARED-SPECTROSCOPY, AND LATTICE-DYNAMICS CALCULATION, J.Physics: Condensed Matter, том:4, 1992, стр.:8543-8550, doi:10.1088/0953-8984/4/44/015, Ref, Web of Science
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1992
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118
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V. N. Popov, V. L. Valchinov, PHONON-SPECTRA OF THE ND1.85CE0.15CUO4 SUPERCONDUCTOR, Physica C, том:172, брой:3-4, 1990, стр.:260-264, doi:10.1016/0921-4534(90)90613-j , Ref, Web of Science, PhD
|
1990
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119
|
I. Z. Kostadinov, M. Mikhov, V. Hadjiev, M. Illiev, O. Petrov, M. Mateev, S. Tinchev, J. Tihov, E. Dinolova, T. Zheleva, V. Popov, V. Kojouharov, Ts. Ivanov, Investigations of the New High-Temperature Superconductor BiSrCaCu_2O_x, Physica C , том:153-155, 1988, стр.:627-628, Ref, Web of Science, PhD
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1988
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120
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V. N. Popov, KOSTADINOV, IZ, MIKHOV, M, HADJIEV, V, ILIEV, M, PETROV, O, MATEEV, M, TINCHEV, S, TIHOV, J, DINOLOVA, E, INVESTIGATIONS OF THE NEW HIGH-TEMPERATURE SUPERCONDUCTOR BISRCACU2OX, PHYSICA C, vol:153, 1988, pages:627-628, ISSN (print):0921-4534
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1988
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121
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V. N. Popov, KOSTADINOV, IZ, HADJIEV, VG, TIHOV, J, MATEEV, M, MIKHOV, M, PETROV, O, POPOV, V, DINOLOVA, E, ZHELEVA, T, STRUCTURAL STUDY, XPS AND RAMAN-SPECTRA OF 107-K AND 114-K TL BASED SUPERCONDUCTORS, PHYSICA C, vol:156, issue:3, 1988, pages:427-433, ISSN (print):0921-4534
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1988
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| Статия в поредица |
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1
|
Erkens, Maksiem, Levshov, Dmitry, Wenseleers, Wim, Li, Han, Flavel, Benjamin S., Fagan, Jeffrey A., Popov, Valentin N., Avramenko, Marina, Forel, Salome, Flahaut, Emmanuel, Efficient Inner-to-Outer Wall Energy Transfer in Highly Pure Double-Wall Carbon Nanotubes Revealed by Detailed Spectroscopy, ACS NANO, 2022, ISSN (print):1936-0851, ISSN (online):1936-086X, doi:10.1021/acsnano.2c03883, Ref, Web of Science, International
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2022
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2
|
Li, Min-Ken, Riaz, Adnan, Wederhake, Martina, Fink, Karin, Saha, Avishek, Dehm, Simone, He, Xiaowei, Schoeppler, Friedrich, Kappes, Manfred M., Popov, Valentin N., Electroluminescence from Single-Walled Carbon Nanotubes with Quantum Defects, ACS NANO, 2022, ISSN (print):1936-0851, ISSN (online):1936-086X, doi:10.1021/acsnano.2c03083, Ref, Web of Science, International
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2022
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| Статия в сборник (на конференция и др.) |
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1
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V. N. Popov, 2D Raman band of single-layer and bilayer graphene, J. Phys.: Conf. Ser. 682, редактор/и:682, 2016, doi:10.1088/1742-6596/682/1/012013, Ref, Web of Science
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2016
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2
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V. N. Popov, Two-phonon Raman scattering in graphene for laser excitation beyond the pi-plasmon energy, INERA CONFERENCE: VAPOR PHASE TECHNOLOGIES FOR METAL OXIDE AND CARBON NANOSTRUCTURES, vol:764, 2016, ISSN (print):1742-6588, ISBN:*****************, doi:10.1088/1742-6596/764/1/012008
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2016
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3
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V. N. Popov, Two-phonon Raman scattering in graphene for laser excitation beyond the π-plasmon energy, J. Phys.: Conf. Ser. 764, 2016, doi:10.1088/1742-6596/764/1/012008, Ref, Web of Science
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2016
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4
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V. N. Popov, Ph. Lambin, Vibrational and related properties of carbon nanotubes, Carbon Nanotubes: From Basic Research to Nanotechnology, 2006, стр.:69-88, Ref, Web of Science, в сътрудничество с чуждестранни учени
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2006
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5
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V. N. Popov, L. Henrard, Ph. Lambin, Resonant Raman intensity of the radial-breathing mode of single-walled carbon nanotubes, Electronic Properties of Novel Nanostructures , 2005, стр.:465-468, Ref, Web of Science, в сътрудничество с чуждестранни учени
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2005
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6
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Pfeiffer, R, Simon, F, Kuzmany, H, V. N. Popov, A Raman map of the DWCNT RBM region, Electronic Properties of Novel Nanostructures, vol:786, 2005, pages:305-308, ISSN (print):0094-243X, ISBN:0-7354-0275-2
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2005
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7
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Pfeiffer, R, Kramberger, C, Simon, F, Kuzmany, H, V. N. Popov, Interaction between inner and outer tubes in DWCNTs, ELECTRONIC PROPERTIES OF SYNTHETIC NANOSTRUCTURES, vol:723, 2004, pages:263-267, ISSN (print):0094-243X, ISBN:0-7354-0204-3
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2004
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8
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V. N. Popov, Optical properties of small-radius SWNTS within a tight-binding model, Frontiers of Multifunctional Integrated Nanosystems , 2004, Ref, Web of Science
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2004
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9
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V. N. Popov, L. Henrard, Phonons in multiwalled carbon nanotubes, Structural and Electronic Properties of Molecular Nanostructures, 2002, стр.:425-428, Ref, Web of Science, в сътрудничество с чуждестранни учени
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2002
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