Domain wall displacement simulation for deformed micro magnetic clusters

Issue title: Selected Papers from the 14th International Symposium on Applied Electromagnetics and Mechanics (ISEM 2009), Part I

Article type: Research Article

Authors: Yamaguchi, K.^{a; *} | Suzuki, K.^a | Nittono, O.^a | Takagi, T.^b

Affiliations: [a] Faculty of Symbiotic Systems Science, Fukushima University, Fukushima, Fukushima 960-1296, Japan | [b] Institute of Fluid Science, Tohoku University, Sendai, Miyagi 980-8577, Japan

Correspondence: [*] Corresponding author: Katsuhiko Yamaguchi, Faculty of Symbiotic Systems Science, Fukushima University, Fukushima, Fukushima 960-1296 Japan. Tel.: +81 24 548 8189; E-mail: [email protected]

Abstract: Domain wall displacements were simulated using Monte Carlo method with a conventional crystal anisotropy for cylindrical and spherical micro magnetic clusters having a bcc crystal structure. The anisotropy properties of magnetization processes show qualitatively good correspondences with the experimental results for bcc iron. The simulations also demonstrate behaviors of their domain wall displacements and rotation magnetizations on the magnetization processes. Moreover the simulation was applied for a deformed cylindrical cluster elongated 1.01 times along the [010] direction and the result shows the domain wall displacement has a two steps process.

Keywords: Magnetic anisotropy, magnetic domains, magnetic hysteresis, Monte Carlo methods

DOI: 10.3233/JAE-2010-1102

Journal: International Journal of Applied Electromagnetics and Mechanics, vol. 33, no. 1-2, pp. 103-110, 2010