Optical investigations of thermostimulated changes in an ensemble of CdSxSe₁₋x quantum dots embedded into borosilicate glass matrix
We have employed the absorption and Raman spectroscopies to study thermostimulated changes in an ensemble of CdSXSe₁₋X quantum dots embedded into a borosilicate glass matrix. It is shown that additional annealing of the sample containing CdSXSe₁₋X quantum dots leads to growth of the new ones with hi...
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| Опубліковано в: : | Semiconductor Physics Quantum Electronics & Optoelectronics |
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| Дата: | 2001 |
| Автори: | , , |
| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України
2001
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| Онлайн доступ: | https://nasplib.isofts.kiev.ua/handle/123456789/119274 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Optical investigations of thermostimulated changes in an ensemble of CdSxSe₁₋x quantum dots embedded into borosilicate glass matrix / V.P. Kunets, V.O. Yukhymchuk, M.Ya. Valakh // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2001. — Т. 4, № 3. — С. 196-198. — Бібліогр.: 7 назв. — англ. |
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nasplib_isofts_kiev_ua-123456789-119274 |
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Kunets, V.P. Yukhymchuk, V.O. Valakh, M.Ya. 2017-06-05T17:26:26Z 2017-06-05T17:26:26Z 2001 Optical investigations of thermostimulated changes in an ensemble of CdSxSe₁₋x quantum dots embedded into borosilicate glass matrix / V.P. Kunets, V.O. Yukhymchuk, M.Ya. Valakh // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2001. — Т. 4, № 3. — С. 196-198. — Бібліогр.: 7 назв. — англ. 1560-8034 PACS: 78.66 https://nasplib.isofts.kiev.ua/handle/123456789/119274 We have employed the absorption and Raman spectroscopies to study thermostimulated changes in an ensemble of CdSXSe₁₋X quantum dots embedded into a borosilicate glass matrix. It is shown that additional annealing of the sample containing CdSXSe₁₋X quantum dots leads to growth of the new ones with higher Se content and average radius approximately equal to the previous value. The conclusion was made that the new particles were grown due to diffusion of Cd, S and Se atoms from a glass matrix which was still remained in the oversaturated state, i.e. the recondensation growth stage (so-called “Ostwald ripening” or “diffusion-limited aggregation”) was not achieved during the annealing process. Some parameters of the dots were determined. We thank Dr. N.R. Kulish for helpful discussions. en Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України Semiconductor Physics Quantum Electronics & Optoelectronics Optical investigations of thermostimulated changes in an ensemble of CdSxSe₁₋x quantum dots embedded into borosilicate glass matrix Article published earlier |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| title |
Optical investigations of thermostimulated changes in an ensemble of CdSxSe₁₋x quantum dots embedded into borosilicate glass matrix |
| spellingShingle |
Optical investigations of thermostimulated changes in an ensemble of CdSxSe₁₋x quantum dots embedded into borosilicate glass matrix Kunets, V.P. Yukhymchuk, V.O. Valakh, M.Ya. |
| title_short |
Optical investigations of thermostimulated changes in an ensemble of CdSxSe₁₋x quantum dots embedded into borosilicate glass matrix |
| title_full |
Optical investigations of thermostimulated changes in an ensemble of CdSxSe₁₋x quantum dots embedded into borosilicate glass matrix |
| title_fullStr |
Optical investigations of thermostimulated changes in an ensemble of CdSxSe₁₋x quantum dots embedded into borosilicate glass matrix |
| title_full_unstemmed |
Optical investigations of thermostimulated changes in an ensemble of CdSxSe₁₋x quantum dots embedded into borosilicate glass matrix |
| title_sort |
optical investigations of thermostimulated changes in an ensemble of cdsxse₁₋x quantum dots embedded into borosilicate glass matrix |
| author |
Kunets, V.P. Yukhymchuk, V.O. Valakh, M.Ya. |
| author_facet |
Kunets, V.P. Yukhymchuk, V.O. Valakh, M.Ya. |
| publishDate |
2001 |
| language |
English |
| container_title |
Semiconductor Physics Quantum Electronics & Optoelectronics |
| publisher |
Інститут фізики напівпровідників імені В.Є. Лашкарьова НАН України |
| format |
Article |
| description |
We have employed the absorption and Raman spectroscopies to study thermostimulated changes in an ensemble of CdSXSe₁₋X quantum dots embedded into a borosilicate glass matrix. It is shown that additional annealing of the sample containing CdSXSe₁₋X quantum dots leads to growth of the new ones with higher Se content and average radius approximately equal to the previous value. The conclusion was made that the new particles were grown due to diffusion of Cd, S and Se atoms from a glass matrix which was still remained in the oversaturated state, i.e. the recondensation growth stage (so-called “Ostwald ripening” or “diffusion-limited aggregation”) was not achieved during the annealing process. Some parameters of the dots were determined.
|
| issn |
1560-8034 |
| url |
https://nasplib.isofts.kiev.ua/handle/123456789/119274 |
| citation_txt |
Optical investigations of thermostimulated changes in an ensemble of CdSxSe₁₋x quantum dots embedded into borosilicate glass matrix / V.P. Kunets, V.O. Yukhymchuk, M.Ya. Valakh // Semiconductor Physics Quantum Electronics & Optoelectronics. — 2001. — Т. 4, № 3. — С. 196-198. — Бібліогр.: 7 назв. — англ. |
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