Prof. Leonid A. Kosyachenko Profile

Prof. Leonid A. Kosyachenko

at Yuriy Fedkovych Chernivtsi National Univ

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Publications (9)

Proceedings Article | 26 September 2013 Paper

Reasons of low-charge collection efficiency in CdTe-based x/gamma detectors with ohmic contacts

Toru Aoki, O. Maslyanchuk, L. Kosyachenko, V. Gnatyuk

Proceedings Volume 8852, 88521C (2013) https://doi.org/10.1117/12.2022657

KEYWORDS: Crystals, Sensors, Electrons, Quantum efficiency, Absorption, Energy efficiency, Metals, Semiconductors, Dielectrics, Diffusion

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Proceedings Article | 28 September 2011 Paper

High resolution CdTe x- and gamma-ray detectors with a laser-formed p-n junction

V. Gnatyuk, T. Aoki, E. Grushko, L. Kosyachenko, O. Vlasenko

Proceedings Volume 8142, 81420B (2011) https://doi.org/10.1117/12.895555

KEYWORDS: Sensors, Crystals, Diodes, Doping, Laser crystals, Electrodes, Semiconductor lasers, Laser irradiation, Surface finishing, Chemical species

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Proceedings Article | 27 August 2010 Paper

Special features of conductivity of semi-intrinsic CdTe and CdZnTe single crystals used in x- and gamma-ray detectors

L. Kosyachenko, E. Diequez, T. Aoki, C. Lambropoulos, V. Gnatyuk, M. Fiederle, S. Melnychuk, O. Maslyanchuk, O. Sklyarchuk, E. Grushko

Proceedings Volume 7805, 78051I (2010) https://doi.org/10.1117/12.862726

KEYWORDS: Semiconductors, Crystals, Sensors, Ionization, Temperature metrology, P-type semiconductors, Neodymium, N-type semiconductors, Gamma radiation, Absorption

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Proceedings Article | 27 August 2010 Paper

Charge transport mechanism in CdTe-based p-n junction detectors formed by laser irradiation

T. Aoki, V. Gnatyuk, L. Kosyachenko, O. Maslyanchuk, E. Grushko

Proceedings Volume 7805, 780517 (2010) https://doi.org/10.1117/12.862692

KEYWORDS: Sensors, Diodes, Electrons, Crystals, Doping, Laser irradiation, Laser crystals, Diffusion, Electrodes, Gold

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Proceedings Article | 22 April 2008 Paper

CdTe-based Schottky diode x-ray detectors for medical imaging

V. Gnatyuk, O. Vlasenko, L. Kosyachenko, O. Maslyanchuk, V. Sklyarchuk, E. Grushko, T. Aoki

Proceedings Volume 7008, 70081Z (2008) https://doi.org/10.1117/12.797360

KEYWORDS: Diodes, X-rays, Sensors, X-ray detectors, Electrons, Semiconductors, Absorption, Diffusion, Neodymium, X-ray imaging

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Proceedings Article | 14 April 2003 Paper

Electrical properties of HgMnTe Schottky diodes

Leonid Kosyachenko, Sergey Ostapov, Andrey Markov, Ilary Rarenko, Valery Sklyarchuk, Ye. Sklyarchuk

Proceedings Volume 5065, (2003) https://doi.org/10.1117/12.502192

KEYWORDS: Diodes, Diffusion, Metals, Semiconductors, Sensors, Crystals, Manganese, Aluminum, Sputter deposition, Gold

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Proceedings Article | 22 February 2001 Paper

Spectral responsivity of HgMnTe photodiodes

Weiguo Sun, Ilary Rarenko, Sergey Ostapov, Leonid Kosyachenko

Proceedings Volume 4355, (2001) https://doi.org/10.1117/12.417768

KEYWORDS: Absorption, Diodes, Photodiodes, Semiconductors, Crystals, Reflection, Quantum efficiency, Ions, Optical testing, Diffusion

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Proceedings Article | 22 February 2001 Paper

CdTe substrate purification from impurities by gettering

Leonid Kosyachenko, Z. Zakharuk, A. Rarenko, E. Nykonyuk

Proceedings Volume 4355, (2001) https://doi.org/10.1117/12.417793

KEYWORDS: Diffusion, Heat treatments, Annealing, Laser irradiation, Absorption, Cadmium, Crystals, Semiconductors, Etching, Silicon

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Proceedings Article | 1 December 1997 Paper

New optoelectronic sensor for measuring biologically effective irradiance

Leonid Kosyachenko, Valery Sklyarchuk

Proceedings Volume 3317, (1997) https://doi.org/10.1117/12.295706

KEYWORDS: Optical filters, Ultraviolet radiation, Photodiodes, Diodes, Electronic filtering, Radiation effects, Sensors, Signal generators, Head, Semiconductors

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Showing 5 of 9 publications

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