Temperature dependence of the refractive index of crystalline germanium-silicon alloys期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Temperature dependence of the refractive index of crystalline germanium-silicon alloys

Authors:	J. Humlíček M. Garriga

Affiliation:	(1) Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, W-7000 Stuttgart 80, Germany;(2) Present address: Masaryk University, Faculty of Science, Department of Solid State Physics, Kotláská 2, 611 37 Brno, Czechoslovakia;(3) Present address: Consejo Superior de Investigaciones Cientificas, ICMAB, Campus de la UAB, 08193 Bellaterra, Spain

Abstract:	We report the results of an ellipsometric study of Si_xGe_1-x alloy crystals for x=0.89, 0.62, and 0.09 in the 80–800 K temperature range. The temperature coefficients of the infrared refractive index are obtained for the three compositions, 2.6, 3.0, and 4.5 10^–4 K^–1, respectively.

Keywords:	78.20.Ci 78.40.Fy
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