Rotational behavior and symmetry of the induced anisotropy in a Cu-Mn spin-glass alloy

Kh A. Ziq; J. S. Kouvel

doi:10.1016/0304-8853(91)90238-6

Rotational behavior and symmetry of the induced anisotropy in a Cu-Mn spin-glass alloy

Kh A. Ziq^*, J. S. Kouvel

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Magnetization-vector measurements were performed on a field-cooled Cu₈₆Mn₁₄ sample disk rotated in a stationary field H. Our results at 4.2 K reveal that the induced anisotropy field H_K, which rotates rigidly with the sample for all H, is predominantly unidirectional but with higher-order components that are not negligible. H_K continues to rotate fairly rigidly up to some threshold temperature, above which at sufficiently high H it turns irreversibly relative to the sample towards the direction of H. The threshold temperature ({norm of matrix}10 K) is well below the spin-glass freezing point ({norm of matrix}70 K). Comparisons are made with similar results previously obtained for field-cooled Ni₇₅Mn₂₅.

Original language	English
Pages (from-to)	245-249
Number of pages	5
Journal	Journal of Magnetism and Magnetic Materials
Volume	98
Issue number	3
DOIs	https://doi.org/10.1016/0304-8853(91)90238-6
State	Published - Aug 1991

Bibliographical note

Funding Information:
One of us (K.A.Z.) would like to acknowledge the help of the Department of Physics at King Fahd University of Petroleum and Minerals. The work at U.I.C. was supported in part by the National Science Foundation under Grant No. DMR-84-06898.

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1016/0304-8853(91)90238-6

Cite this

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abstract = "Magnetization-vector measurements were performed on a field-cooled Cu86Mn14 sample disk rotated in a stationary field H. Our results at 4.2 K reveal that the induced anisotropy field HK, which rotates rigidly with the sample for all H, is predominantly unidirectional but with higher-order components that are not negligible. HK continues to rotate fairly rigidly up to some threshold temperature, above which at sufficiently high H it turns irreversibly relative to the sample towards the direction of H. The threshold temperature ({norm of matrix}10 K) is well below the spin-glass freezing point ({norm of matrix}70 K). Comparisons are made with similar results previously obtained for field-cooled Ni75Mn25.",

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AB - Magnetization-vector measurements were performed on a field-cooled Cu86Mn14 sample disk rotated in a stationary field H. Our results at 4.2 K reveal that the induced anisotropy field HK, which rotates rigidly with the sample for all H, is predominantly unidirectional but with higher-order components that are not negligible. HK continues to rotate fairly rigidly up to some threshold temperature, above which at sufficiently high H it turns irreversibly relative to the sample towards the direction of H. The threshold temperature ({norm of matrix}10 K) is well below the spin-glass freezing point ({norm of matrix}70 K). Comparisons are made with similar results previously obtained for field-cooled Ni75Mn25.

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Rotational behavior and symmetry of the induced anisotropy in a Cu-Mn spin-glass alloy

Abstract

Bibliographical note

ASJC Scopus subject areas

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