Ivaylo Balchev
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
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