Temperature Dependence of Domain Structure in Strontium Alumino-Ferrites Single Crystals
- 1 February 1970
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 9 (2) , 217-223
- https://doi.org/10.1143/jjap.9.217
Abstract
The temperature dependence of the domain structure of the single crystals of SrO(6-x)Fe2O3·xAl2O3 with x=1.8; 1.9; 2 and 2.2 was investigated and the dependence of the domain wall energy, σ w (T), for the case x=1.8 was computed. A high degree of irreversibility of the domain structure of the crystals with x=2 and 2.2 after heating in the temperature range of the Curie point was observed and related to structural inhomogenities. A sharp maximum in the temperature dependence of coercive field for single crystals with x=2 was observed in the vicinity of the Curie point.Keywords
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