Peculiarities of absorption spectra of solid solutions of CsAg₂l₃-CsCu₂l₃ complex compounds

The low-frequency electron absorption spectra in thin films of Cs(Ag₁₋ₓCuₓ)₂l₃ solid solutions have been investigated. At the fundamental band edge, two exciton bands A₀ and A₁ are observed, and the parameters thereof (spectral position, half-width and oscillator strength) have been found in the 0≤x...

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Бібліографічні деталі
Дата:2007
Автори: Miloslavsky, V.K., Yanakova, O.N., Kovalenko, E.N.
Формат: Стаття
Мова:English
Опубліковано: НТК «Інститут монокристалів» НАН України 2007
Назва видання:Functional Materials
Онлайн доступ:http://dspace.nbuv.gov.ua/handle/123456789/136525
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Цитувати:Peculiarities of absorption spectra of solid solutions of CsAg₂l₃-CsCu₂l₃ complex compounds / V.K. Miloslavsky, O.N. Yanakova, E.N. Kovalenko // Functional Materials. — 2007. — Т. 14, № 3. — С. 283-289. — Бібліогр.: 16 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
id irk-123456789-136525
record_format dspace
spelling irk-123456789-1365252018-06-17T03:10:10Z Peculiarities of absorption spectra of solid solutions of CsAg₂l₃-CsCu₂l₃ complex compounds Miloslavsky, V.K. Yanakova, O.N. Kovalenko, E.N. The low-frequency electron absorption spectra in thin films of Cs(Ag₁₋ₓCuₓ)₂l₃ solid solutions have been investigated. At the fundamental band edge, two exciton bands A₀ and A₁ are observed, and the parameters thereof (spectral position, half-width and oscillator strength) have been found in the 0≤xl range. From the concentration dependence of those parameters, the A₀ and A₁ excitons have been established to be localized in the double chains consisting of tetrahedrons MI₄ (M = Ag, Cu) and being a structural elements of CsM₂I₃ crystal lattice. Experimental results are discussed assuming the hybridization Ag, Cu d-orbitals and I p-orbitals in the upper valence band of the compounds and dependence of hybridization on molar concentration x. 2007 Article Peculiarities of absorption spectra of solid solutions of CsAg₂l₃-CsCu₂l₃ complex compounds / V.K. Miloslavsky, O.N. Yanakova, E.N. Kovalenko // Functional Materials. — 2007. — Т. 14, № 3. — С. 283-289. — Бібліогр.: 16 назв. — англ. 1027-5495 http://dspace.nbuv.gov.ua/handle/123456789/136525 en Functional Materials НТК «Інститут монокристалів» НАН України
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
language English
description The low-frequency electron absorption spectra in thin films of Cs(Ag₁₋ₓCuₓ)₂l₃ solid solutions have been investigated. At the fundamental band edge, two exciton bands A₀ and A₁ are observed, and the parameters thereof (spectral position, half-width and oscillator strength) have been found in the 0≤xl range. From the concentration dependence of those parameters, the A₀ and A₁ excitons have been established to be localized in the double chains consisting of tetrahedrons MI₄ (M = Ag, Cu) and being a structural elements of CsM₂I₃ crystal lattice. Experimental results are discussed assuming the hybridization Ag, Cu d-orbitals and I p-orbitals in the upper valence band of the compounds and dependence of hybridization on molar concentration x.
format Article
author Miloslavsky, V.K.
Yanakova, O.N.
Kovalenko, E.N.
spellingShingle Miloslavsky, V.K.
Yanakova, O.N.
Kovalenko, E.N.
Peculiarities of absorption spectra of solid solutions of CsAg₂l₃-CsCu₂l₃ complex compounds
Functional Materials
author_facet Miloslavsky, V.K.
Yanakova, O.N.
Kovalenko, E.N.
author_sort Miloslavsky, V.K.
title Peculiarities of absorption spectra of solid solutions of CsAg₂l₃-CsCu₂l₃ complex compounds
title_short Peculiarities of absorption spectra of solid solutions of CsAg₂l₃-CsCu₂l₃ complex compounds
title_full Peculiarities of absorption spectra of solid solutions of CsAg₂l₃-CsCu₂l₃ complex compounds
title_fullStr Peculiarities of absorption spectra of solid solutions of CsAg₂l₃-CsCu₂l₃ complex compounds
title_full_unstemmed Peculiarities of absorption spectra of solid solutions of CsAg₂l₃-CsCu₂l₃ complex compounds
title_sort peculiarities of absorption spectra of solid solutions of csag₂l₃-cscu₂l₃ complex compounds
publisher НТК «Інститут монокристалів» НАН України
publishDate 2007
url http://dspace.nbuv.gov.ua/handle/123456789/136525
citation_txt Peculiarities of absorption spectra of solid solutions of CsAg₂l₃-CsCu₂l₃ complex compounds / V.K. Miloslavsky, O.N. Yanakova, E.N. Kovalenko // Functional Materials. — 2007. — Т. 14, № 3. — С. 283-289. — Бібліогр.: 16 назв. — англ.
series Functional Materials
work_keys_str_mv AT miloslavskyvk peculiaritiesofabsorptionspectraofsolidsolutionsofcsag2l3cscu2l3complexcompounds
AT yanakovaon peculiaritiesofabsorptionspectraofsolidsolutionsofcsag2l3cscu2l3complexcompounds
AT kovalenkoen peculiaritiesofabsorptionspectraofsolidsolutionsofcsag2l3cscu2l3complexcompounds
first_indexed 2025-07-10T01:33:59Z
last_indexed 2025-07-10T01:33:59Z
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