Magnetic Anisotropy of Needlelike Single-Crystal MnSb Inclusions in an InSb Matrix

Abstract

Magnetic anisotropy of needlelike single-crystal MnSb inclusions in an InSb matrix has been identified and investigated in the temperature range of 5-350 K. A power-law dependence of anisotropy constant K(T) on saturation magnetization M S (T) is observed in granular InSb-MnSb samples in the temperature range of 5-350 K with exponent n = 3.2 ± 0.4 in correspondence with the theories developed by Akulov, Zener, and the Callens.