Influence of impurity on electronic transition in coherent-strained quantum dot

The influence of impurity on energy breadth of an optical gap for quantum dot is studied within the framework of deformation potential model. It is established that with size increase of a quantum dot with an ionization donor dopant an optical gap diminishes. For smaller radiuses (R₀ ~ 40 Å ÷...

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Бібліографічні деталі
Дата:2006
Автори: Dan'kiv, O.O., Peleshchak, R.M.
Формат: Стаття
Мова:English
Опубліковано: НТК «Інститут монокристалів» НАН України 2006
Назва видання:Functional Materials
Онлайн доступ:http://dspace.nbuv.gov.ua/handle/123456789/139493
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Цитувати:Influence of impurity on electronic transition in coherent-strained quantum dot / O.O. Dan'kiv, R.M. Peleshchak // Functional Materials. — 2006. — Т. 13, № 1. — С. 14-20. — Бібліогр.: 17 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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spelling irk-123456789-1394932018-06-21T03:03:32Z Influence of impurity on electronic transition in coherent-strained quantum dot Dan'kiv, O.O. Peleshchak, R.M. The influence of impurity on energy breadth of an optical gap for quantum dot is studied within the framework of deformation potential model. It is established that with size increase of a quantum dot with an ionization donor dopant an optical gap diminishes. For smaller radiuses (R₀ ~ 40 Å ÷ 57 Å) energy breadth of the basic optical transition Е in quantum dots with donor dopants is greater, than in unblended ones. For the major sizes of quantum dots R₀ ≥ 58 Å the converse effect is observed. В рамках модели деформационного потенциала исследовано влияние примеси на энергетическую ширину оптической щели квантовой точки. Установлено, что с увеличением размеров квантовой точки с ионизированной донорной примесью оптическая щель суживается. Для меньших радиусов (R₀ ~ 40 Å ÷ 57 Å) энергетическая ширина основного оптического перехода Е в квантовых точках с донорными примесями больше, чем без примесей. При больших размерах квантовых точек R₀ ≥ 58 Å наблюдается обратный эффект. У рамках моделi деформацiйного потенцiалу дослiджено вплив домiшки на енергетичну ширину оптичної щiлини квантової точки. Встановлено, що зi збiльшенням розмiрiв квантової точки з iонiзованою донорною домiшкою оптична щiлина звужується. Для менших радiусiв (R₀ ~ 40 Å ÷ 57 Å) енергетична ширина основного оптичного переходу Е у квантових точках з донорними домiшками бiльша, нiж без домiшок. У разi бiльших розмiрiв квантових точок R₀ ≥ 58 Å спостерiгається протилежний ефект. 2006 Article Influence of impurity on electronic transition in coherent-strained quantum dot / O.O. Dan'kiv, R.M. Peleshchak // Functional Materials. — 2006. — Т. 13, № 1. — С. 14-20. — Бібліогр.: 17 назв. — англ. 1027-5495 http://dspace.nbuv.gov.ua/handle/123456789/139493 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 influence of impurity on energy breadth of an optical gap for quantum dot is studied within the framework of deformation potential model. It is established that with size increase of a quantum dot with an ionization donor dopant an optical gap diminishes. For smaller radiuses (R₀ ~ 40 Å ÷ 57 Å) energy breadth of the basic optical transition Е in quantum dots with donor dopants is greater, than in unblended ones. For the major sizes of quantum dots R₀ ≥ 58 Å the converse effect is observed.
format Article
author Dan'kiv, O.O.
Peleshchak, R.M.
spellingShingle Dan'kiv, O.O.
Peleshchak, R.M.
Influence of impurity on electronic transition in coherent-strained quantum dot
Functional Materials
author_facet Dan'kiv, O.O.
Peleshchak, R.M.
author_sort Dan'kiv, O.O.
title Influence of impurity on electronic transition in coherent-strained quantum dot
title_short Influence of impurity on electronic transition in coherent-strained quantum dot
title_full Influence of impurity on electronic transition in coherent-strained quantum dot
title_fullStr Influence of impurity on electronic transition in coherent-strained quantum dot
title_full_unstemmed Influence of impurity on electronic transition in coherent-strained quantum dot
title_sort influence of impurity on electronic transition in coherent-strained quantum dot
publisher НТК «Інститут монокристалів» НАН України
publishDate 2006
url http://dspace.nbuv.gov.ua/handle/123456789/139493
citation_txt Influence of impurity on electronic transition in coherent-strained quantum dot / O.O. Dan'kiv, R.M. Peleshchak // Functional Materials. — 2006. — Т. 13, № 1. — С. 14-20. — Бібліогр.: 17 назв. — англ.
series Functional Materials
work_keys_str_mv AT dankivoo influenceofimpurityonelectronictransitionincoherentstrainedquantumdot
AT peleshchakrm influenceofimpurityonelectronictransitionincoherentstrainedquantumdot
first_indexed 2025-07-10T08:22:44Z
last_indexed 2025-07-10T08:22:44Z
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