期刊
JOURNAL OF APPLIED PHYSICS
卷 95, 期 9, 页码 5153-5158出版社
AMER INST PHYSICS
DOI: 10.1063/1.1667009
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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 A(1) 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. (C) 2004 American Institute of Physics.
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