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Raman spectra of Ag- and Cu- photodoped chalcogenide films
Репозиторій DSpace/Manakin
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- Фізико-технічні та математичні науки
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- Відділення фізики і астрономії
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- Semiconductor Physics Quantum Electronics & Optoelectronics
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- Semiconductor Physics Quantum Electronics & Optoelectronics, 1999, том 2
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- Semicond. Physics Quantum Electronics & Optoelectronics, 1999, № 2
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Raman spectra of Ag- and Cu- photodoped chalcogenide films
Інший ID:
PACS 78.30, 78.66, 82.20C
Посилання:
Raman spectra of Ag- and Cu- photodoped chalcogenide films / A.V. Stronski, M. Vlcek, A.I. Stetsun, A. Sklenar, P.E. Shepeliavyi // Semiconductor Physics Quantum Electronics & Optoelectronics. — 1999. — Т. 2, № 1. — С. 63-68. — Бібліогр.: 37 назв. — англ.
Підтримка:
The authors wish to express their gratitude to Prof. I.Z. Indutnyi and Dr. A.A. Kudryavtsev for valuable discussion and critical reading the manuscript.
Дата:
1999
Переглядів:
802
Завантажень:
348
Анотація:
Raman spectra of the chalcogenide vitreous layers (As₄₀S₆₀, As₄₀S₄₀Se₂₀, As₄₀Se₆₀ ) non-doped and photodoped by Ag, Cu were measured. The spectra were analyzed in terms of a molecular model. It was ascertained, that for the spectra of photodoped As₄₀S₆₀, As₄₀S₄₀Se₂₀ layers, the shift of the main bands to the high frequency side and the appearance of the additional scattering bands in the low frequency spectral range are characteristic features. For the spectra of photodoped As₄₀S₆₀ layers, such shift and significant increase in scattering were not observed. Variations in the Raman spectra with photodoping by Ag or Cu are consistent with the supposition concerning normal covalent and coordinative bond formation between metal additives and chalcogen atoms.
