Excitons into one-axis crystals of zinc phosphide (Zn₃P₂)
Theoretical study of excitons spectra is offered in this report as for Zn₃P₂ crystals. Spectra are got in the zero approach of the theory of perturbations with consideration of both the anisotropy of the dispersion law and the selection rules. The existence of two exciton series was found, which c...
Збережено в:
| Дата: | 2009 |
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| Автори: | , |
| Формат: | Стаття |
| Мова: | English |
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Інститут фізики конденсованих систем НАН України
2009
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| Назва видання: | Condensed Matter Physics |
| Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/119983 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Excitons into one-axis crystals of zinc phosphide (Zn₃P₂) / D.M. Stepanchikov, G.P. Chuiko // Condensed Matter Physics. — 2009. — Т. 12, № 2. — С. 239-248. — Бібліогр.: 34 назв. — англ. |
Репозитарії
Digital Library of Periodicals of National Academy of Sciences of Ukraine| id |
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irk-123456789-1199832017-06-11T03:03:23Z Excitons into one-axis crystals of zinc phosphide (Zn₃P₂) Stepanchikov, D.M. Chuiko, G.P. Theoretical study of excitons spectra is offered in this report as for Zn₃P₂ crystals. Spectra are got in the zero approach of the theory of perturbations with consideration of both the anisotropy of the dispersion law and the selection rules. The existence of two exciton series was found, which corresponds to two valence bands (hh, lh) and the conductivity band (c). It is noteworthy that anisotropy of the dispersion law plus the existence of crystalline packets (layers) normal to the main optical axis, both will permit the consideration of two-dimensional excitons too. The high temperature displaying of these 2D-exciton effects is not eliminated even into bulk crystals. The calculated values of the binding energies as well as the oscillator's strength for the optical transitions are given for a volume (3D) and for two-dimensional (2D) excitons. The model of energy exciton transitions and four-level scheme of stimulated exciton radiation for receiving laser effect are offered. Представлено теоретичне дослiдження екситонних спектрiв для кристалiв Zn₃P₂. Енергетичний спектр екситонiв отримано у нульовому наближеннi теорiї збурень з урахуванням анiзотропiї закону дисперсiї та правил вiдбору. Зафiксовано прояв двох серiй екситонних станiв, якi вiдповiдають двом валентним зонам (hh, lh) i зонi провiдностi (c). Гранична анiзотропiя закону дисперсiї та шарувата кристалiчна структура дозволяють очiкувати на квазiдвовимiрний характер екситонiв. Наслiдком цього може стати високотемпературний прояв екситонних ефектiв, навiть в об’ємних кристалах. Розраховано значення енергiї зв’язку та сили осцилятора оптичного переходу для об’ємних (3D) i двовимiрних (2D) екситонiв. Запропоновано модель екситонних переходiв i чотирирiвневу схему стимульованого екситонного випромiнювання для отримання лазерного ефекту. 2009 Article Excitons into one-axis crystals of zinc phosphide (Zn₃P₂) / D.M. Stepanchikov, G.P. Chuiko // Condensed Matter Physics. — 2009. — Т. 12, № 2. — С. 239-248. — Бібліогр.: 34 назв. — англ. 1607-324X PACS: 71.18.+y DOI:10.5488/CMP.12.2.239 http://dspace.nbuv.gov.ua/handle/123456789/119983 en Condensed Matter Physics Інститут фізики конденсованих систем НАН України |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| language |
English |
| description |
Theoretical study of excitons spectra is offered in this report as for Zn₃P₂ crystals. Spectra are got in the
zero approach of the theory of perturbations with consideration of both the anisotropy of the dispersion law
and the selection rules. The existence of two exciton series was found, which corresponds to two valence
bands (hh, lh) and the conductivity band (c). It is noteworthy that anisotropy of the dispersion law plus the
existence of crystalline packets (layers) normal to the main optical axis, both will permit the consideration of
two-dimensional excitons too. The high temperature displaying of these 2D-exciton effects is not eliminated
even into bulk crystals. The calculated values of the binding energies as well as the oscillator's strength for the
optical transitions are given for a volume (3D) and for two-dimensional (2D) excitons. The model of energy
exciton transitions and four-level scheme of stimulated exciton radiation for receiving laser effect are offered. |
| format |
Article |
| author |
Stepanchikov, D.M. Chuiko, G.P. |
| spellingShingle |
Stepanchikov, D.M. Chuiko, G.P. Excitons into one-axis crystals of zinc phosphide (Zn₃P₂) Condensed Matter Physics |
| author_facet |
Stepanchikov, D.M. Chuiko, G.P. |
| author_sort |
Stepanchikov, D.M. |
| title |
Excitons into one-axis crystals of zinc phosphide (Zn₃P₂) |
| title_short |
Excitons into one-axis crystals of zinc phosphide (Zn₃P₂) |
| title_full |
Excitons into one-axis crystals of zinc phosphide (Zn₃P₂) |
| title_fullStr |
Excitons into one-axis crystals of zinc phosphide (Zn₃P₂) |
| title_full_unstemmed |
Excitons into one-axis crystals of zinc phosphide (Zn₃P₂) |
| title_sort |
excitons into one-axis crystals of zinc phosphide (zn₃p₂) |
| publisher |
Інститут фізики конденсованих систем НАН України |
| publishDate |
2009 |
| url |
http://dspace.nbuv.gov.ua/handle/123456789/119983 |
| citation_txt |
Excitons into one-axis crystals of zinc phosphide (Zn₃P₂) / D.M. Stepanchikov, G.P. Chuiko // Condensed Matter Physics. — 2009. — Т. 12, № 2. — С. 239-248. — Бібліогр.: 34 назв. — англ. |
| series |
Condensed Matter Physics |
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2023-10-18T20:35:57Z |
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2023-10-18T20:35:57Z |
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1796150618295894016 |