Научни степени:

Доктор (ХТМУ-София, 2005 г.)

Заемани длъжности:

2005 г. – Старши асистент, ХТМУ

2007 г. - Главен асистент, ХТМУ

Области на професионален интерес:

Полупроводниково материалознание, химия и физикохимия на полупроводниците, електроматериали, измерване параметри на материали, физикохимия, дискретни полупроводникови прибори, полупроводникови технологии, полупроводникови сензори и др.

Езици:

руски език – писмено и говоримо

английски език – писмено и говоримо

Преподавани дисциплини:

Полупроводникови материали;

·         Химия и физикохимия на полупроводниковите материали;

·         Химия на твърдото тяло;

·         Технология на полупроводникови прибори и интегрални схеми;

·         Теория на кристалния растеж;

·         Аморфни и стъклообразни полупроводници;

·         Измерване параметрите на електротехническите материали;

·         Полупроводникови сензори;

·         Surface engineering.

Участия в проекти:

Ръководител на 9 проекта по НИС при ХТМУ.

Участие в 5 проекта по МОН

Основни публикации през последните години:

·         L. Aljihmani, V. Vassilev, P. Petkov, Compositional trends of the physico-chemical properties in pseudoternary chalcogenide glasses, J. Optoel. Adv. Mat., 5, 5 (2003) 1187-1192

·         Vassilev, L. Aljihmani, V. Parvanova, Phase equilibria in the Ag₄SSe-SnTe system, J. Therm. Anal. Cal., 75 (2004) 63-71

·         V. Vassilev, L. Aljihmani, V. Parvanova, Phase equilibria in the GeSe₂-SnTe system, J. Therm. Anal. Cal., 76 (2004) 727-735

·         V. Vassilev, V. Parvanova, L. Aljihmani, B. Pejova, St. Hadjinikolova, P. Petkov, New halchohalide glasses as membrane material for Cd(II)-ion-selective electrode, XVIII Congress of Chemists and Technologists of Macedonia, September 23-25, 2004, Ohrid, Macedonia, p. 58

·         V. Vassilev, C. Popov, S. Bojcheva, L. Aljihmani, P. Petkov, K. Kolev, B. Monchev, Deposition, morphology and stress investigation of amorphous As₂Se₃-Ag₄SSe-SnTe thin films, Mat. Lett., 58 (2004) 3802-3806

·         V. Vassilev, V. Parvnova, L. Aljihmani, Phase equilibria in the CdI₂-Bi₂O₃, J. Therm. Anal. Cal., 78 (2004) 981-989

·         V.S. Vassilev, Z.G. Ivanova, L. Aljihmani, E. Cernoskova, Z. Cernosek, Glass-forming regions, properties, and structure of the chalcogenide As₂Se₃-GeSe₂-SnTe(Ag₄SSe) systems, Mat. Lett., 59 (2005) 85-87

·         V. Vassilev, S. Boycheva, C. Popov, P. Petkov, L. Aljihmani, B. Monchev, K. Kolev, Optical characterization of As₂Se₃-Ag₄SSe-SnTe amorphous thin films, J. Non-Cryst. Sol., 351 (2005) 299-303

·         V. Vassilev, S. Parvanov, V. Vachkov, L. Aljihmani, Phase equilibria in the Bi₂O₃-Bi₂S₃ sysytem, J. Univ. Chem. Techol. Met., 39, 4 (2004) 473-482

·         S. Parvanov, V. Vassilev, L. Aljihmani, Electrical properties of amorphous As₃Se₃-GeSe₂-SnTe thin films, J. Optoel. Adv. Mat., 7, 3 (2005) 1299-1304

·         P. Petkov, V. Vassilev, T. Petkova, B. Monchev, L. Aljihmani, Optical properties of ternary chalcogenide thin films with SnTe, J. Optoel. Adv. Mat., 7, 4 (2005) 1965-1969

·         V. Vassilev, L. Aljihmani, V. Parvanova, Phase equilibria in the Ag₄SSe-As₂Se₃ system, J. Therm. Anal. Cal., 85 (2006) 309-314

·         E. Fidancevska, V. Vassilev, D. Milosevski, S. Parvanov, R. Adjiski, L. Aljihmani, M. Milosevski, Processing of metallurgical slag into glass ceramics products by powder technology, V^th International Scientific conference UNITECH’05, Gabrovo, 24-25.11.2005, Proceedings, v.1, p. I-418

·         V. Vassilev, V. Parvanova, L. Aljihmani, Phase equilibria in the CdI₂-Ag₂Se system, Thermochim. Acta, 444 (2006) 53-56

·         V. Vassilev, L. Aljihmani, V. Vachkov, T. Hristova-Vasileva, Ag(I)-Ion-selective electrode based on chalcogenide glasses, Fifth International Scientific and Applied Science Conference Electronics ET 2006, 20-22 September, Sozopol, Bulgaria, Proceedings of the conference, Book 2, 116-121

·         E. Fidancevska, V. Vassilev, M. Milosevski, S. Parvanov, D. Milosevski, L. Aljihmani, Composites on the base of industrial wastes. I. Physico-chemical properties og Fe-Ni slag, J. Univ. Chem. Technol. Met., 41, 4 (2006) 431-438

·         V. Vassilev, T. Hristova-Vasileva, L. Aljihmani, V. Vachkov, Physico-Chemical Properties of Some Multicomponent As₂Se₃-Sb₂Te₃-CdTe Glasses, J. Tech. Univ. Plovdiv “Fundamental Sciences and Applications”, 13, 10 (2006) 89-95

·         V. Vassilev, S. Parvanov, K. Tomova, E. Fidancevska, V. Vachkov, M. Milosevski, L. Aljihmani, Physico-chemical properties of glasses in the GeSe₂-PbSe-PbTe, J. Univ. Chem. Technol. Met., 42, 1 (2007) 61-66

·         V. Vassilev, S. Parvanov, T. Hristova-Vassileva, L. Aljihmani, V. Vachkov, T. Vassileva-Evtimova, Glassformation in the As₂Te₃-As₂Se₃-SnTe system, Mat. Lett., 61 (2007) 3676-3678

·         V. Vassilev, L. Aljihmani, E. Fidancevska, S. Parvanov, V. Vachkov, M. Milosevski, T. Hristova-Vasileva, Study on the solubility kinetics of chalcogenide glasses from the As₂Se₃-GeSe₂-Ag₄SSe system, Maced. J. Chem. Chem. Eng., 26, 1 (2007) 31-38

·         E. Fidancevska, V. Vassilev,M. Milosevski, S. Parvanov, D. Milosevski, L. Aljihmani, Composites on the base of industrial wastes. III. Production of Composites of of Fe-Ni slag and waste glass, J. Univ. Chem. Technol. Met., 42, 3 (2007) 285-290

·         V. Vassilev, T. Hristova-Vasileva, L. Aljihmani, Glass formation in the As₂Se₃-Sb₂Te₃-CdTe system, Chalcogen. Lett., 5, 3 (2008) 39-43

·         T. Hristova-Vasileva, V. Vassilev, L. Aljihmani, S. Boycheva, Glass formation in the As₂Se₃-As₂Te₃-Sb₂Te₃ system, J. Phys. Chem. Sol., 69 (2008) 2540-2543

·         V. Vassilev, T. Hristova-Vasileva, L. Aljihmani, V. Vachkov, Sn(ІІ)-ion-selective electrode based on chalcogenide glasses, Int. Sci. Conf. FMNS’07, 06-10.06.2007, Blagoevgrad, Proccedings of the ISC, vol. 2, 30-36

·         T. Hristova-Vasileva, V. Vassilev, L. Aljihmani, V. Parvanova, Crystallization kinetics of chalcogenide glasses from the As₂Se₃-As₂Te₃-Sb₂Te₃ system, J. Univ. Chem. Technol. Met., 43, 2 (2008) 239-244

·         E. Fidancevska, R. Adjiski, D. Milosevski, V. Vassilev, L. Aljihmani, G. Vasilev, Synthesys, consolidation and properties of dense and porous TiO₂, VIII^th International Scientific conference UNITECH’08, Gabrovo, 21-22.11.2008, Proceedings, v.3, p. III-455-458

·         B. Angjusheva, E. Fidancevska, R. Adziski, M. Milosevski, V. Vassilev, L. Aljihmani, Glass-ceramics composities developed from coal fly ashes and waste glass, Int. Sci. Conf. „UNITECH ‘07“, Gabrovo (23-24. XI. 2007), Proc. Vol. II, II-239-243

·         V. Vassilev, L. Aljihmani, T. Hristova-Vasileva, Crystallization, kinetics and mean bond energy of glasses from the As₂Se₃-GeSe₂-SnTe system, J. Optoel. Adv. Mat. – Symposia, 1, 3 (2009) 331-334

·         V. Vassilev, K. Petkov, T. Hristova-Vasileva, L. Aljihmani, Dissolution kinetics of some As-Te-Cd chalcogenide thin films, J. Optoel. Adv. Mat. – Symposia, 1, 3 (2009) 335-338

·         L. Aljihmani, V. Vassilev, T. Hristova-Vasileva, E. Fidancevska, Glass-formation and thermal characteristics of new glasses from the As₂Se₃-Ag₄SSe-CdTe system, Proceedings of the international conference “Engeneering, technologies and systems TECHSYS ‘2009”, J. of the Technical University – Sofia, Plovdiv branch, Bulgaria, “Fundamental Sciences and Applications”, 14, 2 (2009) 497-501

·         L. Aljihmani, T. Hristova-Vasileva, V. Vassilev, Region of glassformation in the GeSe₂-Sb₂Te₃-PbSb₂Te₄ system, J. Tech. Univ. Plovdiv “Fundamental Sciences and Applications”, 16, 2 (2011) 159-161

·         V.Vassilev, D. Atanassova, I. Mihailova, V. Parvanova, L. Aljihmani, Phase equilibria in the PbSb₂Te₄-InSb system, Thermochimica Acta, 520 (2011) 80-83

·         L. Aljihmani, V. Vassilev, Sn(II)-ion-selctive electrode based on chalcogenide glasses, Fourth International Scientific Conference FMNS2011, 08-11.06.2011, Blagoevgrad, South-West University “Neofit Rilski”, Proccedings of the ISC, (2011) vol. 1, 284-288

·         Lilia Aljihmani, Venceslav Vassilev, Temenuga Hristova-Vasileva, Glass-formation and phase transformation parameters of chalcogenide glasses from the GeSe₂-GeTe-ZnTe system, Phys. Status Solidi C, 8, 11-12 (2011) 3139-3142, doi 10/1002/pssc.201000574

·         Gergo Vassilev, Venceslav Vassilev, Lilila Aljihmani, Mechanical properties of new chalcogenide glasses from the GeSe₂-Sb₂Se₃-PbSb₂Te₄ system, Phys. Status Solidi C, 8, 11-12 (2011) 3115-31182 doi: 10.1002/pssc.201000575

·         Lilia Aljihmani, Kiril Petkov, Venceslav Vassilev, Glass forming region in the GeSe₂-GeTe-PbTe system and some physicochemical properties of glassy alloys, Journal of Non-Crystalline Solids, 358 (2012) 364-367

·         K. Petkov, J. Tasseva, V. Vassilev, L. Aljihmani, Optical properties of thin films from new chalcogenide GeSe₂-Sb₂Se₃-PbTe glasses, Journal of Optoelectronics and Advanced Materials, 13, 11-12 (2011) 1514-1518

·         Lilia Aljihmani, Venceslav Vassilev, Physicochemical properties of glassy alloys from the GeSe₂-GeTe-ZnTe system, Advances in Natural Science: Theory & Applications, 1, 1(2012) 9-15

·         T. Hristova-Vasileva, V. Vassilev, L. Aljihmani, New chalcogenide glasses in the GeSe₂-Sb₂Te₃-CdTe system, Revue de Métallurgie, 109 (2012) 17-20

·         L. Aljihmani, V. Vassilev, T. Hristova-Vasileva, Cooling rate and situation of the glass-forming border in the GeSe₂-Sb₂Te₃-PbSb₂Te₄ system, Revue de Métallurgie, 109 (2012) 21-26

·         V. Vassilev, L. Aljihmani, T. Hristova-Vasileva, Phase equilibria in the GeSe₂-Ag₄SSe system, Journal of Phase Equilibria and Diffusion, 33, 2 (2012) 106-109

·         Lilia Aljihmani, Temenuga Hristova-Vasileva, Venceslav Vassilev, Physical properties of chalcogenide glasses from the GeSe₂-Sb₂Te₃-CdTe system, Chemical Technology: An Indian Journal, 7, 3 (2012) 105-108

·         Lilia Aljihmani, Venceslav Vassilev, Temenuga Hristova-Vasileva, Thermodynamic investigations of chalcogenide glasses from the GeSe₂-Sb₂Te₃-CdTe system, Solid State Phenomena, 194 (2013) 179-182

·         Lilia Aljihmani, Temenuga Hristova-Vasileva, Kiril Petkov, Diana Nesheva Venceslav Vassilev, Thermomechanical characteristics of chalcogenide glasses from the GeSe₂-GeTe-PbTe system, Materials Science: An Indian Journal, 9, 6 (2013) 234-238

·         A. Amova, T. Hristova-Vasileva, L. Aljihmani, I. Bineva, V. Vassilev, Region of glass formation and main physicochemical properties of glasses from the As₂Se₃-Ag₄SSe-PbTe system, Journal of Alloys and Compounds, 573 (2013) 32-36

·         Kiril Petkov, Jordanka Tasseva, Venceslav Vassilev, Lilia Aljihmani, Compositional dependence of the optical properties of vacuum evaporated thin GeSe₂-GeTe-PbTe films, Physics Procedia, 44 (2013) 130-141

·         Kiril Petkov, Rossen Todorov, Venceslav Vassilev, Lilia Aljihmani, Photo- and thermo-indused changes in optical constants and structure of thin films from the GeSe₂-GeTe-ZnTe system, Physics Procedia, 44 (2013) 143-150

·         L. Aljihmani, T. Hristova-Vasileva, S. Boycheva, E. Fidanchevska, V. Vassilev, Phisicochemical properties of glases from the GeSe₂-Sb₂Se₃-PbSb₂Te₄ system, Intern. Sci. Conf. UNITECH ’13, 22-23 November 2013, Gabrovo, Proc. Vol. I (2013), I-(346-349)

·         Temenuga Hristova-Vasileva, Lilia Aljihmani, Venceslav Vassilev, Physical properties of chalcogenide glasses from the GeSe₂-Sb₂Te₃-PbSb₂Te₄ glasses, Materials Science: An Indian Journal, 10, 10 (2014) 410-415

·         T. Hristova-Vasileva, L. Aljihmani, T. Nenov, V. Vassilev, Glassforming region and physicochemical properties of new oxychalcogenide glasses from the As₂Se₃-SnSe-SnO₂ system, Chemical Technology: An Indian Journal, 9, 4 (2014) 218-223

·         V. Vasssilev, L. Aljihmani, T. Hristova-Vasileva, Phase Equilibria in the TeO₂-CdI₂ System, Journal of Phase Equilibria and Diffusion, 35 (2014) 575-580, DOI: 10.1007/s11669-014-0326-6