AN ALGORITHM FOR CALCULATION OF THE MAGNETIZATION CURVES OF THE SINGLE-DOMAIN HEXAFERRITE PARTICLE

 P. S. Kolodin

National Research University ĞMoscow Power Engineering Instituteğ

 

Received July 23, 2013

 

Abstract. The paper is devoted to the development of the mathematical model of gyromagnetic hexagonal ferrite material. The problem of calculation of static magnetization direction of the single-domain hexaferrite particle in outer magnetic field is revised. The problem solution is taking into account a possibility of existence of two stable states of the magnetization vector. Method of choice one or another state with accounting of the magnetization prehistory is proposed. An algorithm for calculation of the magnetization curves and magnetic hysteresis curves with accounting of the magnetization prehistory is developed. Method, proposed in the algorithm, allows for calculating the magnetization curves by arbitrary variation of the magnetic field with arbitrary orientation of the ferrite particles. Proposed method appreciably simplifies the calculation of the magnetization curves for polycrystalline materials.

Keywords: hexagonal ferrites, single-domain particle, magnetization curves, magnetic hysteresis.