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Journal of Applied Physics -- July 15, 2000 -- Volume 88, Issue 2 pp. 983-987

Magnetic phase diagrams of the trilayers with the noncollinear coupling in the form of the proximity magnetism model

Shi-shen Yan and P. Grünberg

Institut für Festkörperforschung, Forschungszentrum Jülich GmbH, D-52425 Jülich, Germany

Liang-mo Mei

Physics Department, Shandong University, Jinan, Shandong 250100, People's Republic of China

(Received 23 December 1999; accepted 6 April 2000)

The magnetic phase diagrams of Fe/Mn/Fe trilayers with the noncollinear interlayer coupling in the form of the proximity magnetism model were theoretically studied. The C₊–C_– phase diagram in the remanent magnetization state predicts very rich spin configurations. The H–C₊ and H–C_– phase diagrams show that the spin configurations of Fe/Mn/Fe trilayers depend strongly on the external magnetic field, the anisotropy of Fe layers, and the coupling coefficients C₊ and C_–. Our experimental results of noncollinear spin configurations of Fe/Mn/Fe trilayers strongly support the magnetic phase diagrams based on the proximity magnetism model. ©2000 American Institute of Physics.

PII: S0021-8979(00)00914-2
DOI: 10.1063/1.373765
PACS: 75.70.Cn, 75.30.Kz, 75.25.+z, 75.60.Ej, 75.30.Gw, 75.50.Bb        Additional Information

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