Ivaylo Balchev
Senior Assistant Professor
e-mail:
ivobalchev | at | gmail | dot | com
Research Interests
Thin film deposition
Laser systems, CuBr laser and applications, Laser material processing, Laser material interaction
Computer modeling
Quantum electronics and optics
Characterization of condensed matter: SEM/EDAX, TEM, Raman and XP spectroscopy
Education and Training
2004 : PhD in Solid State Physics from Institute of Solid State Physics of the Bulgarian Academy of Sciences, Sofia, Bulgaria
1998 : MSc in Physics, Quantum electronics and lasers from Sofia University, Department of Physics, Quantum electronics and lasers, Bulgaria
Projects
2020 - 2022 : "Analysis of the parameters of the process of laser marking of new industrial materials for high-tech applications", Nr. 1.1.1.2/VIAA/3/19/474, Team Member
2017 - 2021 : “Novel methods for synthesis of graphene and graphene oxide by modification of amorphous and nano-dispersed carbon phases”, grant DN 18/9 (2017), Team member
2014 - 2018 : “Development of biophotonics methods as the basis of oncological theranostics”, funded by the Bulgarian National Scientific Research Fund, grant DFNI-B02/9/2014, Team Member
2014 - 2015 : “Program for cooperation between the ministry of education and science of the Republic of ulgaria and the ministry of science and higher education of the Republic of Poland”
2005 : Fellowship for Research in Japan, Japan Society for the Promotion of Science (JSPS)
Publications
Some initial results on synthesis of nanoparticles from BaTiO3 by pulsed laser ablation in liquid media. Balchev, I.; Stankova, N.; Dimov, D.; Karaivanova, D.; Gancheva, M.; Iordanova, R.; Avdeev, G.; Zahariev, I.; Genkov, K.; Zyapkov, A. Journal of Physics: Conference Series, 2994: 012026. 2025.
Laser marking and engraving of household and industrial plastic products. Lazov, L; Snikeris, A; Balchev, I; and Teirumnieks, E. Journal of Physics: Conference Series, volume 1859, pages 012016, 2021.
RF magnetron sputtering of Bi12TiO20 thin films on various substrates. Balchev, I; Nurgaliev, T; Kostadinov, I; Lakov, L; Aleksandrova, M; Avdeev, G; Valcheva, E; Russev, S; Genkov, K; and Milenov, T. Journal of Physics: Conference Series, volume 1859, pages 012060, 2021.
Investigation of the influence of the scanning speed and step in laser marking and engraving of aluminum. Balchev, I; Atanasov, A; Lengerov, A; and Lazov, L. Journal of Physics: Conference Series, volume 1859, pages 012002, 2021.
Finite element modeling of laser aluminum marking. Lazov, L; Angelov, N; Draganov, I; Atanasov, A; Lengerov, A; Teirumnieks, E; and Balchev, I. Journal of Physics: Conference Series, volume 1859, pages 012017, 2021.
Analysis of the process of laser ablation of marble surfaces. Lazov, L; Tsvyatkov, P; Angelov, N; and Balchev, I. Journal of Physics: Conference Series, volume 1859, pages 012014, 2021.
Comsol Simulation of Laser Welding of Aluminum. Balchev, I.; Lazov, L.; Angelov, N.; and Teirumnieka, E. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, volume 3, pages 25–29, 2021.
Antibacterial and anti-viral effects of silver nanoparticles in medicine against COVID-19—a review. Teirumnieks, E.; Balchev, I.; Ghalot, R. S.; and Lazov, L. Laser Physics, 31(1): 013001. 2020.
Ablation of graphite in water by Nd: YAG laser. Balchev, I; Nikolov, A; Stankova, N; Avramova, I; Valcheva, E; Russev, S; Karashanova, D; Kostadinov, I; Mladenoff, J; Kolev, S; and others 20th International Conference and School on Quantum Electronics: Laser Physics and Applications, volume 11047, pages 85–90, 2019.
Synthesis of submicron-dispersed carbon phases in water by Nd: YAG laser ablation of graphite. Nikolov, A; Balchev, I; Stankova, N; Avramova, I; Valcheva, E; Russev, S; Karashanova, D; Georgieva, B; Kostadinov, I; Mladenoff, J; and others 20th International Conference and School on Quantum Electronics: Laser Physics and Applications, volume 11047, pages 119–124, 2019.
Precision micromachining of metals by CuBr laser. Balchev, I.; Lazov, L.; and Teirumnieks, E. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, volume 3, pages 13–17, 2019.
Synthesis of graphene-like phases in a water colloid by laser ablation of graphite. Milenov, T.; Nikolov, A.; Avdeev, G.; Avramova, I.; Russev, S.; Karashanova, D.; Konstadinov, I.; Georgieva, B.; Mladenoff, J.; Balchev, I.; and others Materials Science and Engineering: B, 247: 114379. 2019.
Ab-Initio molecular dynamics simulation of graphene sheet. Kolev, S; Balchev, I; Cvetkov, K; Tinchev, S; and Milenov, T Journal of Physics: Conference Series, volume 780, pages 012014, 2017.
Deposition of defected graphene on (001) Si substrates by thermal decomposition of acetone. Milenov, T.; Avramova, I; Valcheva, E; Avdeev, G.; Rusev, S; Kolev, S; Balchev, I; Petrov, I; Pishinkov, D; and Popov, V. Superlattices and Microstructures, 111: 45–56. 2017.
Influence of the laser pulse repetition rate and scanning speed on the morphology of Ag nanostructures fabricated by pulsed laser ablation of solid target in water. Nikolov, A.; Balchev, I.; Nedyalkov, N.; Kostadinov, I.; Karashanova, D.; and Atanasova, G. Applied Physics A, 123: 1–11. 2017.
Ultraviolet laser treatment of titanium surface. Balchev, I.; Minkovski, N.; Dimitrov, K.; Shipochka, M.; and Barbucha, R. Journal of Physics: Conference Series, volume 682, pages 012033, 2016.
Synthesis and characterization of thin amorphous carbon films doped with nitrogen on (001) Si substrates. Balchev, I; Tzvetkova, K.; Kolev, S; Terziiska, P; Szekeres, A; Miloushev, I; Tenev, T; Antonova, K; Peyeva, R; Ivanova, T; and others Journal of Physics: Conference Series, volume 764, pages 012013, 2016.
CuBr laser ablation of titanium surface. Balchev, I.; Minkovski, N.; Dimitrov, K.; Atanasov, A.; and Stefanov, P. 18th International School on Quantum Electronics: Laser Physics and Applications, volume 9447, pages 164–169, 2015.
CuBr laser treatment of titanium wafers. Balchev, I; Minkovski, N; Stefanov, P; Shipochka, M; and Sabotinov, N. 14th International School on Quantum Electronics: Laser Physics and Applications, volume 6604, pages 238–242, 2007.
Composition and structure characterization of aluminum after laser ablation. Balchev, I; Minkovski, N; Marinova, T.; Shipochka, M; and Sabotinov, N. Materials Science and Engineering: B, 135(2): 108–112. 2006.
XPS studies of short pulse laser interaction with copper. Stefanov, P; Minkovski, N; Balchev, I; Avramova, I; Sabotinov, N; and Marinova, T. Applied Surface Science, 253(3): 1046–1050. 2006.
High-speed precise laser cutting with copper bromide laser. Balchev, I.; Minkovski, N.; Kostadinov, I.; and Sabotinov, N. Bulg. J. Phys, 33: 39–47. 2006.
High-precision machining with copper bromide laser. Balchev, I. I; Minkovski, N. I; Dimitrov, K. D; and Sabotinov, N. V. Eighth International Conference on Laser and Laser Information Technologies, volume 5449, pages 5–9, 2004.
Micromachining with copper bromide laser. Balchev, I. I; Minkovski, N. I; Sabotinov, N. V; and Kostadinov, I. K. 12th International School on Quantum Electronics: Laser Physics and Applications, volume 5226, pages 372–376, 2003