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Influence of magnetic ordering on the structural properties of dilute copper ferrites

Research paper by L. G. Antoshina, E. N. Evstaf’eva, A. I. Kokorev, A. A. Opalenko, A. I. Firov

Indexed on: 01 Mar '07Published on: 01 Mar '07Published in: Physics of the Solid State



Abstract

The x-ray structural properties of samples in the CuGaxAlxFe2−2xO4 (x = 0−0.7) and CuGaxAl2xFe2−3xO4 (x = 0−0.5) systems are studied. It is found that magnetic ordering in dilute copper ferrites affects their structural properties. It is concluded that the frustration of magnetic coupling leads to suppression of the cooperative Jahn-Teller effect in dilute copper ferrites with a frustrated magnetic structure.