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No.3(pp.67-109)
Home > Issues > Volume 3 (1998) > No.3(pp.67-109)
 
A Semi-graphical Analysis on the Sublattice Anisotropy of a Two Sublattice System with Uniaxial Anisotropy: Application to Pr2Fe14B
Journal of Magnetics, Volume 3, Number 3, 30 Sep 1998, Pages 74-77
Y.B. Kim(Korea Research Institute of Standards and Science), Han-Min Jin(Department of Physics, Jilin University)
Abstract
A method to analyze the anisotropy constants of a two sublattice system with uniaxial anisotropy has been investigated by extending the Sucksmith and Thompson's method to higher order anisotropy terms. Using the method, a set of anisotropy constants for Pr-sublattice of Pr2Fe14B at 4.2 K has been obtained as K1Pr=5210 J/kg, K2Pr=-7200 J/kg, K3Pr=-770 J/kg, K4Pr=4940 J/kg and K5Pr=700 J/kg for NPrFe=2.2 T/Am2kg-1.The magnetization calculated by an energy minimum method by using the sublattice anisotropy constants well reproduced the experimental results and satisfied the simulation assumptions.
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