Interband absorption and its relation to the electronic structure of Co-Cr solid solutions

The refraction n and absorption χ indices of paramagnetic Сo-Cr alloys with
 10, 20 and 35% chromium concentrations were measured within the spectral range 0.23
 to 2.8 µm (0.44…5.36 eV) at room temperature by spectral ellipsometric methods. Based
 on these data, the diele...

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Published in:Semiconductor Physics Quantum Electronics & Optoelectronics
Date:2013
Main Authors: Bondar, V.M., Stashchuk, V.S., Polianska, O.P., Kudin, V.G., Statsenko, A.O.
Format: Article
Language:English
Published: Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України 2013
Online Access:https://nasplib.isofts.kiev.ua/handle/123456789/117666
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Journal Title:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Cite this:Interband absorption and its relation
 to the electronic structure of Co-Cr solid solutions / V.M. Bondar, V.S. Stashchuk, O.P. Polianska, V.G. Kudin, A.O. Statsenko // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2013. — Т. 16, № 1. — С. 76-79. — Бібліогр.: 14 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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author Bondar, V.M.
Stashchuk, V.S.
Polianska, O.P.
Kudin, V.G.
Statsenko, A.O.
author_facet Bondar, V.M.
Stashchuk, V.S.
Polianska, O.P.
Kudin, V.G.
Statsenko, A.O.
citation_txt Interband absorption and its relation
 to the electronic structure of Co-Cr solid solutions / V.M. Bondar, V.S. Stashchuk, O.P. Polianska, V.G. Kudin, A.O. Statsenko // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2013. — Т. 16, № 1. — С. 76-79. — Бібліогр.: 14 назв. — англ.
collection DSpace DC
container_title Semiconductor Physics Quantum Electronics & Optoelectronics
description The refraction n and absorption χ indices of paramagnetic Сo-Cr alloys with
 10, 20 and 35% chromium concentrations were measured within the spectral range 0.23
 to 2.8 µm (0.44…5.36 eV) at room temperature by spectral ellipsometric methods. Based
 on these data, the dielectric permittivity ε, optical conductivity σ and reflection
 coefficient R at normal incidence were calculated. The dispersion of optical conductivity
 σ(hν) and dispersion curves of residual optical conductivity σ(hν) = σ(hν) – (1 – c) σCo(hν) were analyzed in detail (c – Cr impurity concentration, σCo(hν) – optical
 conductivity of Co solvent). It has been ascertained that new impurity bands are formed
 in the electronic spectrum of Co solvent when Cr impurities are added, which are
 responsible for the extra absorption in Сo-Cr alloys. The localization of impurity energy
 levels in Co-Cr alloys at 1.8…2.0 eV above the Fermi level has been suggested.
first_indexed 2025-11-24T04:19:33Z
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institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
issn 1560-8034
language English
last_indexed 2025-11-24T04:19:33Z
publishDate 2013
publisher Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України
record_format dspace
spelling Bondar, V.M.
Stashchuk, V.S.
Polianska, O.P.
Kudin, V.G.
Statsenko, A.O.
2017-05-26T06:05:12Z
2017-05-26T06:05:12Z
2013
Interband absorption and its relation
 to the electronic structure of Co-Cr solid solutions / V.M. Bondar, V.S. Stashchuk, O.P. Polianska, V.G. Kudin, A.O. Statsenko // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2013. — Т. 16, № 1. — С. 76-79. — Бібліогр.: 14 назв. — англ.
1560-8034
PACS 71.20.-b, 78.20.Ci, 78.20.-e, 78.40.-q
https://nasplib.isofts.kiev.ua/handle/123456789/117666
The refraction n and absorption χ indices of paramagnetic Сo-Cr alloys with
 10, 20 and 35% chromium concentrations were measured within the spectral range 0.23
 to 2.8 µm (0.44…5.36 eV) at room temperature by spectral ellipsometric methods. Based
 on these data, the dielectric permittivity ε, optical conductivity σ and reflection
 coefficient R at normal incidence were calculated. The dispersion of optical conductivity
 σ(hν) and dispersion curves of residual optical conductivity σ(hν) = σ(hν) – (1 – c) σCo(hν) were analyzed in detail (c – Cr impurity concentration, σCo(hν) – optical
 conductivity of Co solvent). It has been ascertained that new impurity bands are formed
 in the electronic spectrum of Co solvent when Cr impurities are added, which are
 responsible for the extra absorption in Сo-Cr alloys. The localization of impurity energy
 levels in Co-Cr alloys at 1.8…2.0 eV above the Fermi level has been suggested.
en
Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України
Semiconductor Physics Quantum Electronics & Optoelectronics
Interband absorption and its relation to the electronic structure of Co-Cr solid solutions
Article
published earlier
spellingShingle Interband absorption and its relation to the electronic structure of Co-Cr solid solutions
Bondar, V.M.
Stashchuk, V.S.
Polianska, O.P.
Kudin, V.G.
Statsenko, A.O.
title Interband absorption and its relation to the electronic structure of Co-Cr solid solutions
title_full Interband absorption and its relation to the electronic structure of Co-Cr solid solutions
title_fullStr Interband absorption and its relation to the electronic structure of Co-Cr solid solutions
title_full_unstemmed Interband absorption and its relation to the electronic structure of Co-Cr solid solutions
title_short Interband absorption and its relation to the electronic structure of Co-Cr solid solutions
title_sort interband absorption and its relation to the electronic structure of co-cr solid solutions
url https://nasplib.isofts.kiev.ua/handle/123456789/117666
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AT stashchukvs interbandabsorptionanditsrelationtotheelectronicstructureofcocrsolidsolutions
AT polianskaop interbandabsorptionanditsrelationtotheelectronicstructureofcocrsolidsolutions
AT kudinvg interbandabsorptionanditsrelationtotheelectronicstructureofcocrsolidsolutions
AT statsenkoao interbandabsorptionanditsrelationtotheelectronicstructureofcocrsolidsolutions