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Mechanisms for the multistep spin reorientation of ultrathin Fe films on Gd

Published

Author(s)

A P. Popov, A. V. Anisimov, David P. Pappas

Abstract

The multistep spin reorientation transition of ultrathin iron films on bulk gadolinium is described theoretically. We find that it is necessary to include cubic terms in the magnetic anisotropy energy expansion in order to explain this phenomenon. Furthermore, the signs of the anisotropy coefficients required to explain the coexistence of both first- and second-order phase transitions in this spin reorientation transition are obtained. We can then model this system using either a surface or bulk driven model, or a combination of both.
Citation
Physical Review B (Condensed Matter and Materials Physics)
Volume
67
Issue
094428

Citation

Popov, A. , Anisimov, A. and Pappas, D. (2003), Mechanisms for the multistep spin reorientation of ultrathin Fe films on Gd, Physical Review B (Condensed Matter and Materials Physics) (Accessed July 25, 2024)

Issues

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Created March 30, 2003, Updated October 12, 2021