Diverse features of magnetization curves of uniaxial crystals: A simulation study

doi:10.1088/1674-1056/26/1/017503

摘要/Abstract

摘要： We present a simulation of the magnetization curves, energy, probability, and torque landscapes of uniaxial systems with up to five anisotropy constants. The total energy used in the simulation is the sum of the anisotropy and Zeeman energies. The exchange interaction is not considered in the present work in which we treat single-domain-particle systems within a classical mechanics-based model. Diverse features of the calculated magnetization curves are highlighted for the studied systems. These diverse features are strongly dependent on the sign and magnitude of the simulation parameters. The model is versatile enough to handle both hypothetical and real material systems, e.g. HoFe₁₁Ti and Y₂Co₁₇.

关键词: magnetization curve, saturation moments, magnetic anisotropy, ferromagnetic metals and alloys

Abstract: We present a simulation of the magnetization curves, energy, probability, and torque landscapes of uniaxial systems with up to five anisotropy constants. The total energy used in the simulation is the sum of the anisotropy and Zeeman energies. The exchange interaction is not considered in the present work in which we treat single-domain-particle systems within a classical mechanics-based model. Diverse features of the calculated magnetization curves are highlighted for the studied systems. These diverse features are strongly dependent on the sign and magnitude of the simulation parameters. The model is versatile enough to handle both hypothetical and real material systems, e.g. HoFe₁₁Ti and Y₂Co₁₇.

Key words: magnetization curve, saturation moments, magnetic anisotropy, ferromagnetic metals and alloys

中图分类号: (Magnetization curves, hysteresis, Barkhausen and related effects)

75.60.Ej

75.30.Cr (Saturation moments and magnetic susceptibilities) 75.30.Gw (Magnetic anisotropy) 75.50.Cc (Other ferromagnetic metals and alloys)

Hala A. Sobh, Samy H. Aly. Diverse features of magnetization curves of uniaxial crystals: A simulation study[J]. 中国物理B, 2017, 26(1): 17503-017503.

Hala A. Sobh, Samy H. Aly. Diverse features of magnetization curves of uniaxial crystals: A simulation study[J]. Chin. Phys. B, 2017, 26(1): 17503-017503.

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