期刊
SENSORS
卷 22, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/s22010187
关键词
magnetic microwires; magnetic anisotropy; thermal treatment
资金
- EU under INFINITE (Horizon 2020) project
- Spanish MCIU [PGC2018-099530-B-C31]
- Government of the Basque Country [PIBA 2018-44, PUE_2021_1_0009]
- Elkartek (CEMAP) project
- Elkartek (AVANSITE) project
- Diputacion Foral de Gipuzkoa [2021-CIEN-000007-01]
- University of Basque Country [GIU18/192]
- [COLAB20/15]
In this paper, a gradual change in the hysteresis loop of Co-rich glass-coated microwire stress-annealed at variable temperature is observed. Such microwires annealed with a temperature gradient also present a variable squareness ratio and magnetic anisotropy field along the microwire's length. The obtained graded anisotropy has been attributed to a gradual modification of the domain structure along the microwire originated by a counterbalance between shape, magnetoelastic, and induced magnetic anisotropies. Accordingly, we propose a rather simple route to design graded magnetic anisotropy in a magnetic microwire.
In this paper, a gradual change in the hysteresis loop of Co-rich glass-coated microwire stress-annealed at variable temperature is observed. Such microwires annealed with a temperature gradient also present a variable squareness ratio and magnetic anisotropy field along the microwire's length. The obtained graded anisotropy has been attributed to a gradual modification of the domain structure along the microwire originated by a counterbalance between shape, magnetoelastic, and induced magnetic anisotropies. Accordingly, we propose a rather simple route to design graded magnetic anisotropy in a magnetic microwire.
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