Please use this identifier to cite or link to this item: http://essuir.sumdu.edu.ua/handle/123456789/37061
Title: Raman investigation on thin and thick CdTe films obtained by close spaced vacuum sublimation technique
Authors: Нам, Д.
Nam, Dahyun
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
Keywords: thick films
thin films
CdTe
structure
Raman spectroscopy
Issue Year: 2014
Publisher: WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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
URI: http://essuir.sumdu.edu.ua/handle/123456789/37061
Type: Article
Appears in Collections:Наукові видання (ЕлІТ)

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