Large growth-induced anisotropy to preferential occupation of the iron sites in garnets
- 1 May 1980
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 36 (9) , 779-781
- https://doi.org/10.1063/1.91655
Abstract
Large growth‐induced anisotropies (Ku) arising from the preferential occupation of Ir4+ on octahedral sites have been measured. For YIG with approximately 0.2 Ir atoms per garnet formula unit and Mg2+ as a charge compensator, values of Ku=+4.5×105 ergs/cm3 have been obtained. The induced anisotropy is proportional to the Ir4+ present as deduced from the optical absorption.Keywords
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