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Title | Raman investigation on thin and thick CdTe films obtained by close spaced vacuum sublimation technique |
Authors |
Нам, Д.
Нам, Д. Nam, Dahyun Чеонг, Г. Чеонг, Г. Cheong, H. Opanasiuk, Anatolii Serhiiovych ![]() Koval, Pavlo Viktorovych Коваль, Павел Викторович Kosiak, Volodymyr Volodymyrovych Фочук, Петро Михайлович Фочук, Петр Михайлович Fochuk, Petro Mikhailovich |
ORCID |
http://orcid.org/0000-0002-1888-3935 |
Keywords |
thick films thin films CdTe structure Raman spectroscopy |
Type | Article |
Date of Issue | 2014 |
URI | http://essuir.sumdu.edu.ua/handle/123456789/37061 |
Publisher | WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim |
License | Copyright not evaluated |
Citation | Raman investigation on thin and thick CdTe films obtained by close spaced vacuum sublimation technique / D. Nam, H. Cheong, A. S. Opanasyuk, P. V. Koval, V. V. Kosyak, and P. M. Fochuk // «Phys. Status Solidi C» 2014, V.11, №9, Р. 1515-1518 |
Abstract |
The CdTe thin and thick films were obtained by the close
spaced vacuum sublimation technique on a glass substrate
under the following growth conditions: the evaporator
temperature was 620 °C; and the substrate temperature
was varied in the range from 250 °C to 550 °C. High
purity CdTe powder was used as a charge for evaporation.
The Raman spectra were measured using TRIAX 320
and TRIAX 550 spectrometers at room temperature. The
488-nm line and 514.5-nm line of an Ar+ laser and a
785-nm diode laser were used as excitation sources. The
signal was collected by the liquid nitrogen cooled chargecoupled-device (CCD) detector. A number of intense
Raman peaks at 140, 167, 190, 271, 332 and 493 cm-1
were observed and were interpreted as TO (140 cm-1),
1LO (167 cm-1), 2LO (332 cm-1), 3LO (493 cm-1) phonon
modes and plasmon-phonon mode (190 cm-1). The presence
of several phonon replicas in the Raman spectra
confirms high crystal quality of the samples.
When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/37061 |
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File | Size | Format | Downloads |
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Nam_Raman investigation on thin and thick CdTe films obtained by close spaced vacuum sublimation technique.pdf | 1.18 MB | Adobe PDF | 1913763354 |
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