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Dielectric Properties of Spinel, Garnet and Perovskite Oxides

โœ Scribed by M.I. Danilkevitch; I.I. Makoed


Publisher
John Wiley and Sons
Year
2000
Tongue
English
Weight
120 KB
Volume
222
Category
Article
ISSN
0370-1972

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Structural and magnetic properties of Cu
โœ M. Tovar; R. Torabi; C. Welker; F. Fleischer ๐Ÿ“‚ Article ๐Ÿ“… 2006 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 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