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THE INVESTIGATION OF MAGNETIC ANISOTROPY OF “EASY PLANE” TYPE AND THE DISTRIBUTION OF MAGNETIZATION IN THE EPITAXIAL GARNET FILMS WITH THE (100) SUBSTRATE ORIENTATION

E. I. Il'yashenko1, E. N. Il'yicheva1, U. A. Durasova1, A. V. Matyunin1,*

Affiliation

  1. Moscow State University, Vorob’evy Gory, Moscow, 119899, Russia

Abstract

An epitaxial films (BiLu)3(FeGa)5O12 and (BiTm)3(FeGa)5O12 with anisotropy of “easy plane”, grown up on the (100) gallium-gadolinium garnet substrate, were investigated. We revealed the presence of biaxial in-plane anisotropy of the films coinciding with directions [110] and [100] of film crystallographic axes. From the critical-transition curves through the demagnetized condition the angles q0 (1-50) of “easy plane” inclination from the plane of film were determined. The requirements for the parameters of the ferrite-garnet films with the “easy plane” anisotropy for improving of magneto-optical imaging applications are discussed..

Keywords

Magnetic anisotropy, Easy plane, Ferrite-garnet films.

Submitted at: April 26, 2004
Accepted at: June 22, 2004

Citation

E. I. Il'yashenko, E. N. Il'yicheva, U. A. Durasova, A. V. Matyunin, THE INVESTIGATION OF MAGNETIC ANISOTROPY OF “EASY PLANE” TYPE AND THE DISTRIBUTION OF MAGNETIZATION IN THE EPITAXIAL GARNET FILMS WITH THE (100) SUBSTRATE ORIENTATION, Journal of Optoelectronics and Advanced Materials Vol. 6, Iss. 3, pp. 969-972 (2004)