| Дисертация д-р |
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Гергана Емилова Алексиева, Акустични свойства и приложения на полимерни материали, СУ
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2013
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| Научен проект |
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1
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Гергана Алексиева, GRECO, Член,
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2019
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2
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Гергана Алексиева, Получаване и оптимизиране на свойствата на тънкослойни покрития от ZrO2 и ZnО, Член,
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2019
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3
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Гергана Алексиева, Изследване на чувствителността на наноструктурирани и полимерни слоеве към токсични газове по метода на кварцовата микровезна, Ръководител,
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2017
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4
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Гергана Алексиева, Оптична микроскопия на пълно вътрешно отражение с повишена чувствителност и разделитена способност за медицински приложения, Член, СУ
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2014
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5
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Гергана Алексиева, Получаване и охарактеризиране на полиелектролитни многослойни структури от биополимери за имобилизиране и удължено освобождаване на лекарствени вещества с приложение върху букалната лигавица, Член,
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2014
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6
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Гергана Алексиева, Високочестотни резонатори за газова детекция, Член, СУ, Номер на договора:146
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2012
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| Научно ръководство |
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1
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Гергана Алексиева, АКУСТИЧНИ ГАЗОВИ СЕНЗОРИ, Софийски университет “Св. Климент Охридски” дипломна работа:Мария Галчина
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2013
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2
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Гергана Алексиева, Напречен пиезоелектричен ефект в нанокомпозити на основата на PVDF, СУ дипломна работа:Петя Минкова Ангелова
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2012
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| Статия в научно списание |
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1
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Georgi Marinov, Gergana Alexieva, Katerina Lazarova, Rositsa Gergova, Petar Ivanov, Tsvetanka Babeva, Optimization of Electrospray Deposition Conditions of ZnO Thin Films for Ammonia Sensing , Nanomaterials, vol:14, issue:12, 2024, Ref, Web of Science, Web of Science Quartile: Q1 (2024), SCOPUS Quartile: Q1 (2024), PhD
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2024
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2
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K. Lovchinov, G. Alexieva, M. Petrov, R. Gergova, N. Tyutyundzhiev, K. Lazarova, T. Babeva,
Influence of deposition temperature and time on structural and gas sensing properties of electrochemically deposited ZrO2 layers, Materials Science and Engineering: B, vol:297, issue:Article number 116793, 2023, doi:https://doi.org/10.1016/j.mseb.2023.116793, Ref, IF, IF (3.6 - 2023), SCOPUS Quartile: Q2 (2023)
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2023
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3
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N. Tyutyundzhiev, Ch. Angelov, T. Arsov, K. Lovchinov, H. Nitchev, A. Mutafov, G. Alexieva, Remote datalogging of solar UV irradiation using open-source ESP32 platform and MQTT protocol, Journal of Physics: Conference Series, vol:2436, issue:1, 2023, doi:10.1088/1742-6596/2436/1/012003, Ref, Web of Science
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2023
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4
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Kolev, Iliyan, Nadezhda Ivanova, Tanya Topouzova-Hristova, Tanya Dimova, Pavlina Koseva, Ivalina Vasileva, Sonya Ivanova, Anton Apostolov, Gergana Alexieva, Atanas Tzonev, Vesselin Strashilov, Ammonio Methacrylate Copolymer (Type B)-Diltiazem Interactions in Solid Dispersions and Microsponge Drug-Delivery Systems, Polymers, vol:14, issue:10, 2022, pages:2125-0, ISSN (online):2073-4360, doi:polym14102125, Ref, IF (4.329 - 2020), Web of Science Quartile: Q1 (Polymers and Plastics), SCOPUS Quartile: Q1 (Polymer Science)
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2022
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5
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Gergana Alexieva, Konstantin Lovchinov, Miroslav Petrov, Rositsa Gergova, Nikolay Tyutyundzhiev, Influence of Al Doping on the Morphological, Structural and Gas Sensing Properties of Electrochemically Deposited ZnO Films on Quartz Resonators, Coatings, vol:12, issue:1, 2022, doi:10.3390/coatings12010081, Ref, IF, IF (2.881 - ), SCOPUS Quartile: Q2 (2022)
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2022
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6
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Konstantin Lovchinov, Rositsa Gergova, Gergana Alexieva, Structural, Morphological and Optical Properties of Nanostructured ZrO2 Films Obtained by an Electrochemical Process at Different Deposition Temperatures, Coatings, vol:12, issue:7, 2022, pages:972-0, Ref, IF, IF (3236 - 2021), SCOPUS Quartile: Q2 (2022)
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2022
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7
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Iliyan N. Kolev, Sonya Y. Ivanova, Anna K. Amova, Gergana Alexieva, Vesselin L. Strashilov, A new FTIR-based technique in the polymorphic analysis of Nitrofural, Journal of Molecular Structure, vol:1233, 2021, doi:https://doi.org/10.1016/j.molstruc.2021.130098, Ref, Web of Science, IF (2.121 - 2019), SCOPUS, SJR (0.45 - 2019), SCOPUS Quartile: Q2 (2021)
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2021
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8
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N. Tyutyundzhiev, C. Angelov, T. Arsov, K. Lovchinov, H. Nitchev, G. Alexieva, Development of Cost-efficient Wireless Network for Solar UV Irradiation Monitoring in Bulgaria, Journal of Physics Conference Series , vol:1762, issue:1, 2021, doi:doi:10.1088/1742-6596/1762/1/012040, Ref, SCOPUS, SJR ( - 2019)
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2021
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9
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K. Lovchinov, G. Alexieva, B. Georgieva, M. Petrov, R. Gergova, Y. Tzoukrovsky, N. Tyutyundzhiev, Study of the sensitivity of ZrO2 and ZnO layers electrochemically deposited on a quartz resonator, J. Phys.: Conf. Ser., vol:1762, 2021, doi:doi:10.1088/1742-6596/1762/1/012033, Ref, SCOPUS Quartile: Q4 (2021)
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2021
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10
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K. Lovchinov, L. Slavov, G. Alexieva, P. Ivanov, G. Marinov, R. Gergova, V.Strijkova, T. Babeva, Study of ZrO2 nanolayers deposited electrochemically on different conductive substrates, Materials Science in Semiconductor Processing , vol:131, issue:1–2, 2021, doi:https://doi.org/10.1016/j.mssp.2021.105843, Ref, Web of Science, IF (3.085 - 2019), SCOPUS, SJR (0.665 - 2019), SCOPUS Quartile: Q1 (2021)
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2021
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11
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Konstantin Lovchinov, Georgi Marinov, Miroslav Petrov, Nikolay Tyutyundzhiev, Gergana Alexieva, Tsvetanka Babeva, INFLUENCE OF DEPOSITION TEMPERATURE
ON THE STRUCTURAL AND OPTICAL PROPERTIES OF
ELECTROCHEMICALLY NANOSTRUCTURED ZnO FILMS, Comptes rendus de l’Acad´emie bulgare des Sciences, vol:73, issue:2, 2020, pages:190-196, doi:DOI:10.7546/CRABS.2020.02.06, Ref, Web of Science, IF (0.343 - 2019), SCOPUS, SJR (0.218 - 2019), SCOPUS Quartile: Q2 (2020)
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2020
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12
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Kolev, I.N., Ivanova, N.А., Marinov, M.K., Alexieva, G.E., Strashilov, V.L., A QCM-based assay of drug content in Eudragit RS 100-based delivery systems., Talanta, vol:202, 2019, pages:531-539, Ref
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2019
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13
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G. Alexieva, A. Amova, ACOUSTIC AND OPTICAL PROPERTIES OF Ag4SSe.2PbTe, Journal of Chemical Technology and Metallurgy, том:54, брой:5, 2019, стр.:1035-1039, Ref, SCOPUS Quartile: Q3 (2019)
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2019
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14
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В. Страшилов, Г. Алексиева, ЛАБОРАТОРИЯ ПО АКУСТИЧНИ ВЪЛНИ КЪМ КАТЕДРА „ФИЗИКА НА ТВЪРДОТО ТЯЛО И МИКРОЕЛЕКТРОНИКА, Юбилейно издание 130 години Софийски университет, vol:Юбилейно издание 130 години Софийски университет, 2019, pages:117-124
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2019
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15
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I. Kolev, P. Koseva, M. Marinov, G. Alexieva, V. Strashilov, A quartz crystal microbalance-assisted method for the assessment of iodine content in organoiodines, Scripta Scientifica Pharmaceutica, vol:5, issue:2, 2018, pages:40-44
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2018
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16
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P. Petkova, K. Boubaker, M. T. Soltani, P. Vasilev, G. Alexieva, Chromium doped (80-x)Sb2 O3 -20K2 O-xPbO glasses: Effects of PbO on the optical properties in Urbach’s rule region, Journal of Optoelectronics and Advanced Materials, vol:20, issue:9-10, 2018, pages:547-550, Ref, Web of Science, SCOPUS Quartile: Q3 (2018), International
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2018
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17
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I. Kolev, N. Ivanova, G. Alexieva, G. Tsutsumanova, V. Strashilov, Diltiazem-loaded Eudragit RS 100 microparticles for drug delivery: the challenge of viscosity, Scripta Scientifica Pharmaceutica, vol:5, issue:1, 2018, pages:20-24
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2018
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18
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P. Petkova, G. Alexieva, A. Amova, P. Vasilev, A study of optical microscopic parameters of chalcogenide glasses from the system
As2Se3-Ag4SSe-PbTe, Comptes rendus de l’Acad´emie bulgare des Sciences, vol:70, issue:4, 2017, pages:489-496, Ref, Web of Science, SCOPUS Quartile: Q2 (2017)
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2017
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19
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Vasilev, P., Petkova, P., Alexieva, G., Bedzhev, B., Tzoukrovsky, Y., Acoustics properties of anisotropic Bi12SiO20:Fe, Optik, vol:130, 2017, pages:184-188, doi:10.1016/j.ijleo.2016.11.024, Ref, Web of Science, IF ( - 2016), SCOPUS Quartile: Q2 (2017)
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2017
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20
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S. Yaneva, G. Alexieva, T. Velinov, Layer by layer deposition of chitosan/xanthan thin films studied
in situ by QCM, Bulgarian Chemical Communications, vol:49, issue:Special Issue F, 2017, pages:70-75, Ref, Web of Science, SCOPUS Quartile: Q4 (2017)
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2017
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21
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G. Alexieva, P. Petkova, I. Kolev, I. Ismailov, A. Amova, V. Strashilov, Mid-infrared optical spectra of chalcogenide glasses from the system As2Se3-Ag4SSe-PbTe, Comptes rendus de l’Acad´emie bulgare des Sciences, vol:70, issue:11, 2017, pages:1501-1508, Ref, Web of Science, SCOPUS Quartile: Q2 (2017)
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2017
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22
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T. Babeva, V. Vassilev, P. Gushterova, A. Amova, G. Alexieva, V. Strashilov, P. Petkova, Optical properties of chalcogenide glasses from the
system As2Se3-Ag4SSe-PbTe, JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS , vol:19, issue:3-4, 2017, pages:204-210, Ref, Web of Science, SCOPUS Quartile: Q3 (2017)
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2017
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23
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P. Petkova, L. Nedelchev, D. Nazarova, K. Boubaker, R. Mimouni, P. Vasilev, G. Alexieva, D. Bachvarova, Single oscillator model of undoped and co-doped ZnO thin films, Optik, vol:139, 2017, pages:217-221, doi:http://dx.doi.org/10.1016/j.ijleo.2017.03.089, Ref, Web of Science, SCOPUS Quartile: Q2 (2017), International
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2017
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24
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А. Амова, Л. Алжихмани, T. Христова-Василева, В. Василев, Г. Алексиева, МУЛТИКОМПОНЕНТНИ ХАЛКОГЕНИДНИ СТЪКЛА ОТ СИСТЕМИТЕ As2Se3-Ag4SSe-PbTe (SnTe): ОБЛАСТИ НА СТЪКЛООБРАЗУВАНЕ И ВЛИЯНИЕ НА МОДИФИКАТОРИТЕ ВЪРХУ НЯКОИ ОТ ТЕХНИТЕ ОСНОВНИ ФИЗИКОХИМИЧНИ СВОЙСТВА, ANNUAL OF THE UNIVERSITY OF ARCHITECTURE, CIVIL ENGINEERING AND GEODESY SOFIA, том:50, брой:1, 2017
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2017
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25
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H. Nichev, B. Georgieva, M. Petrov, K. Lovchinov, V. Georgieva, L. Vergov, G. Alexieva, D. Dimova-Malinovska, Effect of quartz plate roughness on ZnO/QCM response to NO2, BULGARIAN CHEMICAL COMMUNICATIONS, vol:48, issue:Special Issue-B, 2016, pages:60-65, Ref, Web of Science, SCOPUS Quartile: Q4 (2016)
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2016
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26
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V. Strashilov, G. Alexieva, G. Tsutsumanova, I. Kolev, I. Avramov, Gas adsorption on ZnO nanowires as studied by surface acoustic wave resonators, Bulgarian Chemical Communications, vol:48, issue:1, 2016, pages:134-140, Ref, Web of Science, SCOPUS Quartile: Q4 (2016)
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2016
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27
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Youseff, I. B., Sarry, F., Nysten, B., Alexieva, G., Strashilov V., Kolev I., Alem H., Growth and toxic gas sensing properties of poly(urethaneimide) thin films, Talanta, vol:153, 2016, pages:145-151, doi:DOI:10.1016/j.talanta.2016.03.021, Ref, Web of Science, SCOPUS Quartile: Q1 (2016), International
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2016
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28
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Kolev, I., Alexieva, G., Strashilov, V., Youssef, I. B., Sarry, F., Alem, H., Layer thickness impact on the capacity of poly(urethaneimide) for sorbing toxic gases, Journal of Applied Polymer Science, vol:133, issue:48, 2016, doi:DOI: 10.1002/app.44214, Ref, Web of Science, SCOPUS Quartile: Q1 (2016), International
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2016
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29
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Strashilov, V., Alexieva, G., Vincent, B., Nguyen, V. S., Rouxel, D., Structural impact on piezoelectricity in PVDF and P(VDF-TrFE) thin films, Applied Physics A: Materials Science and Processing, vol:118, issue:4, 2015, pages:1469-1477, doi:https://doi.org/10.1007/s00339-014-8911-4, Ref, Web of Science, SCOPUS Quartile: Q2 (2015), International
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2015
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30
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Arapan, L., Alexieva, G., Avramov, I., Radeva, E., Strashilov, V., Katardjiev, I., Yantchev, V., Highly mass-sensitive thin film plate acoustic resonators (FPAR), Sensors, vol:11, issue:7, 2011, pages:6942-6953, doi:doi:10.3390/s110706942, Ref, Web of Science, SCOPUS Quartile: Q1 (2011), International, PhD
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2011
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31
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I. Kolev, V. Mavrodinova, G. Alexieva, V. Strashilov, Pore volume probing of Boron- modified MCM-22 zeolite by quartz crystal microbalance assisted study of o- and p-xylene adsorption, Sensors and Actuators B, vol:149, issue:2, 2010, pages:389-394, doi:doi:10.1016/j.snb.2010.06.044 , Ref, Web of Science, SCOPUS Quartile: Q1 (2010)
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2010
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32
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Strashilov, V. L., Alexieva, G. E., Velichkov, V. N., Mateva, R. P., Avramov, I. D., Polymer-coated quartz microbalance sensors for volatile organic compound gases, Sensor Letters, vol:7, issue:2, 2009, pages:203-211, doi:DOI:10.1166/sl.2009.1032, Ref, Web of Science, SCOPUS Quartile: Q3 (2009)
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2009
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33
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V. L. Strashilov, G. E. Alexieva, V. N. Velichkov, I. D. Avramov, S. D. Evans, STW Resonator With Organo-Functionalized Metallic Nanoparticle Film for Vapor Sensing, IEEE Trans. Ultrason. Ferroelec. Freq. Control, vol:56, issue:5, 2009, pages:1018-1023, doi:DOI: 10.1109/TUFFC.2009.1133, Ref, Web of Science, SCOPUS Quartile: Q1 (2009), International
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2009
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34
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Alexieva, G., Traykov, I., Strashilov, V., Web camera-enabled material research: an acoustooptic example, OPTICA APPLICATA, vol:37, issue:3, 2007, pages:313-322, ISSN (print):0078-5466, ISSN (online):1899-7015
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2007
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35
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G. Alexieva, I. Traykov, V. Strashilov, Web camera-enabled material research: an acoustooptic example, Optica Applicata, vol:37, 2007, pages:313-322, Ref, Web of Science, SCOPUS Quartile: Q4 (2007), MSc
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2007
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36
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N. Tankovsky, K.Nedev, G. Alexieva, Influence of charged macromolecules (lysozyme) to electroacoustic signals excited in a solution, Bulgarian Journal of Physics , vol:27, issue:3, 2000, pages:250-254
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2000
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| Статия в сборник (на конференция и др.) |
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1
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L. Arapan, G. Alexieva, I. Avramov, V. Strashilov, E. Radeva, I. Katardjiev, V. Yantchev, Polymer-coated Thin Film Plate Acoustic Resonators (FPAR) for Gas Sensing Applications, Proc. 2011 Joint IEEE International Frequency Control Symposium (IFCS) and European Frequency and Time Forum (EFTF), Publisher:IEEE, 2011, pages:248-252, Ref, International, PhD
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2011
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2
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Г. Цуцуманова, Русев С., В. Страшилов, Г. Алексиева, Кл. Брънзалов, А. Цонев, Кварцови резонатори със силно развита повърхност за газови сензори, XXIV Национална конференция “Дни на безразрушителния контрол’2009”, Научни известия на НТСМ, 2009, стр.:292-299
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2009
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3
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В. Страшилов, Кл. Брънзалов, Г. Алексиева, В. Величков, И. Аврамов, Високочестотен кварцов сензор за летливи газове, Научни известия, 2008, стр.:405-411
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2008
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4
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В. Страшилов, Кл. Брънзалов, Г. Алексиева, В. Величков, Р. Матева, Кварцови резонатори със селективни полимерни слоеве за сензори на летливи газове, Научни известия, 2007, стр.:405-410
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2007
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| Участие в конференция |
|
1
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Постер, Konstantin Lovchinov, Gergana Alexieva, Katerina Lazarova , Georgi Marinov, Nikolay Tyutyundzhiev, Youri Tzoukrovsky , Tsvetanka Babeva , Morphological and sensing properties of electrochemically deposited ZrO2 layers
|
2024
|
|
2
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Секционен доклад, T. Babeva, G.Alexieva, Wet process preparation of ZnO thin films for sensing applications
|
2023
|
|
3
|
Постер, K. Lazarova, G. Marinov, B. Georgieva, V. Madjarova, K. Lovchinov†, G. Alexieva, T. Babeva, Properties tuning of electro sprayed ZnO films through
co-doping with Al and Co
|
2023
|
|
4
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Секционен доклад, T. Babeva V. Pavlov, R. Georgiev, B. Georgieva, K.Lazarova, and G. Alexieva, Tailoring Morphological and Optical Properties of Nb2O5 / SiO2 Composite Films for Sensing Applications
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2023
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5
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Постер, G. Marinov, K. Lazarova, B. Georgieva, K. Lovchinov, G. Alexieva, T. Babeva, ZNO COATED AT - CUT PIEZOELECTRIC QUARTZ CRYSTAL DEVICE FOR SENSING
|
2023
|
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6
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Постер, G. Alexieva, K. Lovchinov†, G. Marinov, K. Lazarova, R. Gergova, N. Tyutyundzhiev and T. Babeva, Morphological and Sensing Properties of “Wet” Electrodeposited ZnO Films
|
2023
|
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7
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Постер, B. Georgieva, K. Lovchinov, L. Slavov, G. Alexieva, Ch. Angelov, Characterization and gas sensing properties of ZnO and ZrO2 layers electrochemically-synthesized on quartz resonators
|
2022
|
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8
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Постер, L. Slavov, K. Lovchinov, B. Georgieva, G. Alexieva, P. Ivanov,, Influence of the substrate on the structural and optical properties of ZrO2 layers deposited by electrochemical process
|
2022
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9
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Постер, G. Alexieva, N. Tyutyundzhiev, R. Gergova, M. Petrov, K. Lovchinov,, Impact of the deposition temperature on morphological and gas sensing properties of electrochemically grown ZrO2 layers
|
2022
|
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10
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Постер, P. Petrova, K. Lovchinov, G. Alexieva, R. Georgiev, R. Ivanova, V. Strijkova, Structural and gas sensing properties of nanostructured ZrO2 layers deposited electrochemically at different times”
|
2022
|
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11
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Постер, Gergana Alexieva, Konstantin Lovchinov, Miroslav Petrov, Petar Ivanov, Borislava Georgieva, Effect of Al doping on structural, morphological and gas sensing properties of electrochemically deposited ZnO films on quartz resonators
|
2022
|
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12
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Постер, R. Gergova, K. Lovchinov, G. Alexieva,, Investigation of Al-doped ZnO thin films prepared by electrochemical deposition method for gas-sensing applications
|
2022
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13
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Секционен доклад, K. Lovchinov, G. Alexieva, H. Nitchev, M. Petrov, B. Georgieva, N. Tyutyundzhiev, Sensitivity study of quartz resonators with electrochemically deposited ZrO2 and ZnO:Al layers
|
2021
|
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14
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Постер, K.Lazarova, K.Lovchinov, P.Ivanov, G.Alexieva, H.Nitchev, M.Petrov, Characterization (structural and optical) of electrochemically-deposited ZrO2 layers
|
2021
|
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15
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Постер, B.Georgieva, K.Lovchinov, G.Alexieva, V.Strijkova, H.Nitchev, M.Petrov, Structural and optical properties of electrochemically-nanostructured ZnO films deposited at different temperatures
|
2021
|
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16
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Постер, Konstantin Lovchinov, Gergana Alexieva, Miroslav Petrov, Hristo Nitchev, Nikolay Tyutyundzhiev, Sensitivity of electrochemically deposited ZrO2 layers on a quartz resonator
|
2021
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17
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Постер, N.Tyutyundzhiev , Ch.Angelov, K.Lovchinov, Hr.Nitchev, G.Alexieva, M.Petrov, Experimental results on performance of photovoltaic heat pump with PCM/water thermal storage
|
2021
|
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18
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Постер, K. Lovchinov, G. Alexieva, B. Georgieva, M. Petrov, R. Gergova, Y. Tzoukrovsky, N. Tyutyundzhiev, Sensitivity of ZrO2 and ZnO layers deposited electrochemically on a quartz resonator
|
2020
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19
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Постер, N. Tyutyundzhiev, Ch. Angelov, T. Arsov, K. Lovchinov, Hr. Nitchev, G. Alexieva,, Development of cost-efficient wireless network for
solar UV irradiation monitoring in Bulgaria
|
2020
|
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20
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Секционен доклад, K. Lovchinov, G. Alexieva, L. Slavov, P. Ivanov, G. Marinov, S. Stijkova, R. Gergova, T. Babeva, Structural and optical properties of electrochemically
deposited ZrO2 layers on different substrate
|
2020
|
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21
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Постер, N. Tyutyundzhiev, K. Lovchinov, Hr. Nitchev, G. Alexieva,, Experimental results on photovoltaic heat pump
with PCM/water thermal storage
|
2020
|
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22
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Секционен доклад, Спаска Янева, Гергана Алексиева, Цветан Велинов, Изследване динамиката на отлагане на тънки филми в системата ксантан/хитозан
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2016
|
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23
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Секционен доклад, Гергана Алексиева, Акустични и оптични наносензори
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2014
|
| Участие в редколегия |
|
1
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Гергана Алексиева, Coatings; Special Issue:New Functional Coatings and Thin Films for Sensor and Green Energy Technologies , Участие в редколегия
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2024
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2
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Гергана Алексиева, Coatings; Special Issue: Electrochemical Deposition: Properties and Applications, Участие в редколегия
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2022
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