Anisotropy, exchange coupling and phase transition in bilayer systems

Xiao Hu, Yoshiyuki Kawazoe

研究成果: Article査読

抄録

Phase transitions in magnetic multilayer structures are studied with mean-field theory. Transitions between different magnetization configurations in bilayer systems with different anisotropies are discussed by means of variational method. The responsible mechanism is the competition between the anisotropy energy and the exchange coupling. The para-ferro magnetic phase transition in a ferromagnetic bilayer system is investigated with the Ginzburg-Landau theory. The effect of finiteness of the layer thickness has been revealed. Critical phenomena according to the variance of the layer thickness are clarified.

本文言語English
ページ(範囲)1841-1847
ページ数7
ジャーナルScripta Metallurgica et Materiala
33
10-11
DOI
出版ステータスPublished - 1995 12月 1

ASJC Scopus subject areas

  • 工学(全般)

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