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Influence of isovalent doping on the cathodoluminescence of Li₂B₄O₇:A (A = K, Cu, Ag) single crystals

Influence of isovalent doping on the cathodoluminescence of Li₂B₄O₇:A (A = K, Cu, Ag) single crystals

The study results of cathodoluminescence (CL) of isovalently doped Li₂B₄O₇:A single crystals (A = K, Cu, Ag) are reported. The main CL emission mechanism of undoped Ll 2B40 7 is the annihilation of self-trapped excitons (STE). The Cu and Ag impurities have their intrinsic emission bands in CL spectr...

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Main Authors: Adamiv, V.T., Savchyn, V.P., Savchyn, P.V., Teslyuk, I.M., Burak, Ya.V.
Format: Article
Language:English
Published: НТК «Інститут монокристалів» НАН України 2009
Series:Functional Materials
Subjects:
Characterization and properties
Online Access:http://dspace.nbuv.gov.ua/handle/123456789/138905
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spelling irk-123456789-1389052018-06-20T03:04:57Z Influence of isovalent doping on the cathodoluminescence of Li₂B₄O₇:A (A = K, Cu, Ag) single crystals Adamiv, V.T. Savchyn, V.P. Savchyn, P.V. Teslyuk, I.M. Burak, Ya.V. Characterization and properties The study results of cathodoluminescence (CL) of isovalently doped Li₂B₄O₇:A single crystals (A = K, Cu, Ag) are reported. The main CL emission mechanism of undoped Ll 2B40 7 is the annihilation of self-trapped excitons (STE). The Cu and Ag impurities have their intrinsic emission bands in CL spectra which are overlaid onto Li₂B₄O₇ STE band about 3.65 eV. The models of CL centers and mechanisms in Li₂B₄O₇:A single crystals are proposed. Представлено результати досліджень катодолюмінесценції (КЛ) ізовалентно заміщених монокристалів Li₂B₄O₇:A (А = К, Cu, Ag). Основним механізмом КЛ свічення нелегованих Li₂B₄O₇ є анігіляція автолокалізованих екситонів (АЛЕ). Домішки Cu і Ag мають свої смуги випромінювання у спектрах КЛ, які накладаються на смугу АЛЕ нелегованого Li₂B₄O₇ біля 3,65 еВ. Запропоновано моделі центрів і механізми КЛ висвічування у монокристалах Li₂B₄O₇:A. Представлены результаты исследований катодолюминесценции (КЛ) изовалентно замещенных монокристаллов Li₂B₄O₇:A (А = К, Cu, Ag). Основным механизмом КЛ свечения нелегированного Li₂B₄O₇ является аннигиляция автолокализированных экситонов (АЛЭ). Примеси Cu и Ag имеют свои полосы излучения в спектрах КЛ, которые накладываются на полосу АЛЭ нелегированного Li₂B₄O₇ около 3,65 эВ. Предложены модели центров и механизмы КЛ свечения в монокристаллах Li₂B₄O₇:A. 2009 Article Influence of isovalent doping on the cathodoluminescence of Li₂B₄O₇:A (A = K, Cu, Ag) single crystals // V.T. Adamiv, V.P. Savchyn, P.V. Savchyn, I.M. Teslyuk, Ya.V. Burak // Functional Materials. — 2009. — Т. 16, № 3. — С. 247-252. — Бібліогр.: 21 назв. — англ. 1027-5495 http://dspace.nbuv.gov.ua/handle/123456789/138905 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
topic Characterization and properties
Characterization and properties
spellingShingle Characterization and properties
Characterization and properties
Adamiv, V.T.
Savchyn, V.P.
Savchyn, P.V.
Teslyuk, I.M.
Burak, Ya.V.
Influence of isovalent doping on the cathodoluminescence of Li₂B₄O₇:A (A = K, Cu, Ag) single crystals
Functional Materials
description The study results of cathodoluminescence (CL) of isovalently doped Li₂B₄O₇:A single crystals (A = K, Cu, Ag) are reported. The main CL emission mechanism of undoped Ll 2B40 7 is the annihilation of self-trapped excitons (STE). The Cu and Ag impurities have their intrinsic emission bands in CL spectra which are overlaid onto Li₂B₄O₇ STE band about 3.65 eV. The models of CL centers and mechanisms in Li₂B₄O₇:A single crystals are proposed.
format Article
author Adamiv, V.T.
Savchyn, V.P.
Savchyn, P.V.
Teslyuk, I.M.
Burak, Ya.V.
author_facet Adamiv, V.T.
Savchyn, V.P.
Savchyn, P.V.
Teslyuk, I.M.
Burak, Ya.V.
author_sort Adamiv, V.T.
title Influence of isovalent doping on the cathodoluminescence of Li₂B₄O₇:A (A = K, Cu, Ag) single crystals
title_short Influence of isovalent doping on the cathodoluminescence of Li₂B₄O₇:A (A = K, Cu, Ag) single crystals
title_full Influence of isovalent doping on the cathodoluminescence of Li₂B₄O₇:A (A = K, Cu, Ag) single crystals
title_fullStr Influence of isovalent doping on the cathodoluminescence of Li₂B₄O₇:A (A = K, Cu, Ag) single crystals
title_full_unstemmed Influence of isovalent doping on the cathodoluminescence of Li₂B₄O₇:A (A = K, Cu, Ag) single crystals
title_sort influence of isovalent doping on the cathodoluminescence of li₂b₄o₇:a (a = k, cu, ag) single crystals
publisher НТК «Інститут монокристалів» НАН України
publishDate 2009
topic_facet Characterization and properties
url http://dspace.nbuv.gov.ua/handle/123456789/138905
citation_txt Influence of isovalent doping on the cathodoluminescence of Li₂B₄O₇:A (A = K, Cu, Ag) single crystals // V.T. Adamiv, V.P. Savchyn, P.V. Savchyn, I.M. Teslyuk, Ya.V. Burak // Functional Materials. — 2009. — Т. 16, № 3. — С. 247-252. — Бібліогр.: 21 назв. — англ.
series Functional Materials
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first_indexed 2023-10-18T21:18:10Z
last_indexed 2023-10-18T21:18:10Z
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