The infrared spectra of solid solutions of some iron and chromium oxides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

The infrared spectra of solid solutions of some iron and chromium oxides

Authors:	K. Voleník F. Hanousek B. Strauch

Affiliation:	(1) State Research Institute for the Protection of Materials, Prague, 250 97 Praha 9-Bchovice, Czechoslovakia;(2) Institute of Inorganic Chemistry, Czechosl. Acad. Sci., Prague-e, Czechoslovakia;(3) Department of Inorganic Chemistry, Charles University, Prague, Czechoslovakia

Abstract:	Oxides Fe_2–xCr_xO₃ (corundum-type) and Fe_3–y,Cr_yO₄ (spinel-type) were studied by transmission IR spectroscopy. The wavenumbers corresponding to characteristic absorption maxima depend linearly on the composition of both types of solid solutions, i.e. onx andy. The results show that IR spectroscopy can contribute to the analysis of solid solutions of iron and chromium oxides and of the oxidation products of Fe-Cr alloys.The authors are indebted to Ing. P. Holba for the preparation of synthetic oxide samples. The cooperation of Yu. Borodkin and I. Zuika (Riga) who made the measurements in the far IR region is gratefully acknowledged.

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