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Title: Quasi real-time Raman studies on the growth of Cu-In-S thin films
Author: Rudigier, Eveline
Barcones Campo, Beatriz
Luck, Ilka
Jawhari, Tariq
Pérez Rodríguez, Alejandro
Scheer, Roland
Keywords: Ciència dels materials
Superfícies (Física)
Pel·lícules fines
Espectroscòpia Raman
Materials science
Surfaces (Physics)
Thin films
Raman spectroscopy
Issue Date: 1-May-2004
Publisher: American Institute of Physics
Abstract: In this work annealing and growth of CuInS2 thin films is investigated with quasireal-time in situ Raman spectroscopy. During the annealing a shift of the Raman A1 mode towards lower wave numbers with increasing temperature is observed. A linear temperature dependence of the phonon branch of ¿2 cm¿1/100 K is evaluated. The investigation of the growth process (sulfurization of metallic precursors) with high surface sensitivity reveals the occurrence of phases which are not detected with bulk sensitive methods. This allows a detailed insight in the formation of the CuInS2 phases. Independent from stoichiometry and doping of the starting precursors the CuAu ordering of CuInS2 initially forms as the dominating ordering. The transformation of the CuAu ordering into the chalcopyrite one is, in contrast, strongly dependent on the precursor composition and requires high temperatures.
Note: Reproducció del document publicat a:
It is part of: Journal of Applied Physics, 2004, vol. 95, p. 5153-5158
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ISSN: 0021-8979
Appears in Collections:Articles publicats en revistes (Enginyeria Electrònica i Biomèdica)

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