Roman Golovchak
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Computer program PARAV for calculating optical constants of thin films and bulk materials: Case study of amorphous semiconductors
A Ganjoo, R Golovchak
Journal of Optoelectronics and Advanced Materials 10 (6), 1328, 2008
Structure of Se-rich As-Se glasses by high-resolution x-ray photoelectron spectroscopy
R Golovchak, A Kovalskiy, AC Miller, H Jain, O Shpotyuk
Physical Review B 76 (12), 125208, 2007
Experimental verification of the reversibility window concept in binary As-Se glasses subjected to a long-term physical aging
R Golovchak, H Jain, O Shpotyuk, A Kozdras, A Saiter, JM Saiter
Physical Review B 78 (1), 014202, 2008
Atomistic model of physical ageing in Se-rich As–Se glasses
R Golovchak, O Shpotyuk, A Kozdras, B Bureau, M Vlček, A Ganjoo, ...
Philosophical Magazine 87 (28), 4323-4334, 2007
Step-wise kinetics of natural physical ageing in arsenic selenide glasses
R Golovchak, A Kozdras, V Balitska, O Shpotyuk
Journal of Physics: Condensed Matter 24 (50), 505106, 2012
Structural paradigm of Se-rich Ge–Se glasses by high-resolution X-ray photoelectron spectroscopy
R Golovchak, O Shpotyuk, S Kozyukhin, A Kovalskiy, AC Miller, H Jain
Journal of Applied Physics 105 (10), 103704, 2009
Physical ageing effects in vitreous arsenic selenides
RY Golovchak, C Gorecki, A Kozdras, OI Shpotyuk
Solid state communications 137 (1-2), 67-69, 2006
Positronics of subnanometer atomistic imperfections in solids as a high-informative structure characterization tool
O Shpotyuk, J Filipecki, A Ingram, R Golovchak, M Vakiv, H Klym, ...
Nanoscale research letters 10 (1), 1-5, 2015
Gamma-irradiation-induced physical ageing in As–Se glasses
RY Golovchak, A Kozdras, C Gorecki, OI Shpotyuk
Journal of non-crystalline solids 352 (42-49), 4960-4963, 2006
Effect of gamma-irradiation on the optical properties of GexAs40− xS60 glasses
OI Shpotyuk, AP Kovalskiy, E Skordeva, E Vateva, D Arsova, ...
Physica B: Condensed Matter 271 (1-4), 242-247, 1999
Incorporation of Ga into the structure of Ge–Se glasses
R Golovchak, L Calvez, E Petracovschi, B Bureau, D Savytskii, H Jain
Materials Chemistry and Physics 138 (2-3), 909-916, 2013
Structural model of homogeneous As–S glasses derived from Raman spectroscopy and high-resolution XPS
R Golovchak, O Shpotyuk, JS McCloy, BJ Riley, CF Windisch, ...
Philosophical Magazine 90 (34), 4489-4501, 2010
Compositional dependences of average positron lifetime in binary As–S/Se glasses
A Ingram, R Golovchak, M Kostrzewa, S Wacke, M Shpotyuk, O Shpotyuk
Physica B: Condensed Matter 407 (4), 652-655, 2012
Long-term physical ageing in As–Se glasses with short chalcogen chains
R Golovchak, O Shpotyuk, A Kozdras, M Vlček, B Bureau, A Kovalskiy, ...
Journal of Physics: Condensed Matter 20 (24), 245101, 2008
Radiation–optical effects in glassy Ge–As (Sb)–S systems
OI Shpotyuk, RY Golovchak, TS Kavetsky, AP Kovalskiy, MM Vakiv
Nuclear Instruments and Methods in Physics Research Section B: Beam …, 2000
Long-term ageing behaviour in Ge–Se glasses
R Golovchak, A Kozdras, O Shpotyuk, S Kozyukhin, JM Saiter
Journal of materials science 44 (15), 3962-3967, 2009
Physical ageing in glassy As–Se induced by above-bandgap photoexposure
RY Golovchak, A Kozdras, OI Shpotyuk
Solid state communications 145 (9-10), 423-426, 2008
Radiation-induced bond switching in mixed Ge–As sulphide glasses
RY Golovchak, OI Shpotyuk*
Philosophical Magazine 85 (25), 2847-2860, 2005
Coordination defects in bismuth-modified arsenic selenide glasses: High-resolution x-ray photoelectron spectroscopy measurements
R Golovchak, O Shpotyuk, A Kovalskiy, AC Miller, J Čech, H Jain
Physical Review B 77 (17), 172201, 2008
Reversibility windows in selenide-based chalcogenide glasses
O Shpotyuk, M Hyla, V Boyko, R Golovchak
Physica B: Condensed Matter 403 (19-20), 3830-3837, 2008
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