Structural and magnetic properties of Cu
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M. Tovar; R. Torabi; C. Welker; F. Fleischer
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Article
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2006
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Elsevier Science
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English
⚖ 489 KB
The compounds CuCr 2 O 4 and NiCr 2 O 4 crystallize at room temperature in a tetragonal distorted spinel structure, s.g. I4 1 /amd, with axes ratio c/ao1 and 41, respectively. The distortion is caused by the Jahn-Teller ions Cu 2+ and Ni 2+ which flatten or elongate their surrounding oxygen tetrahed