Magnetic coupling and magnetoresistance in Fe/Si1-xAg x multilayers

Hai Wang; Yunjun Tang; Xiang Li; Xi Chen; Yinjun Wang; Tao Zhu; Hongwu Zhao; Wenshan Zhan

doi:10.1063/1.1445466

Magnetic coupling and magnetoresistance in Fe/Si_1-xAg _x multilayers

Hai Wang^*, Yunjun Tang, Xiang Li, Xi Chen, Yinjun Wang, Tao Zhu, Hongwu Zhao, Wenshan Zhan

^*此作品的通讯作者

CAS - Institute of Physics

科研成果: 期刊稿件 › 文章 › 同行评审

摘要

In this letter, we present a study on the magnetic coupling and magnetoresistance (MR) properties in Fe/Si_1-xAg_x multilayers (MLs) with a granular Si_1-xAg_x spacer layer. We found that with increasing silver content (x) in a silicon matrix, the magnetic state of MLs varies from a nonmagnetic-coupling state to a weak-antiferromagnetic state around the percolation point of the ∼24-Å-thick granular spacer Si_1-xAg_x. The MR measurements also reveal an abrupt increase of MR near the same percolation point. These variations are ascribed to the formation of the percolation path in the granular spacer.

源语言	英语
页（从-至）	631-633
页数	3
期刊	Applied Physics Letters
卷	80
期	4
DOI	https://doi.org/10.1063/1.1445466
出版状态	已出版 - 28 1月 2002
已对外发布	是

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abstract = "In this letter, we present a study on the magnetic coupling and magnetoresistance (MR) properties in Fe/Si1-xAgx multilayers (MLs) with a granular Si1-xAgx spacer layer. We found that with increasing silver content (x) in a silicon matrix, the magnetic state of MLs varies from a nonmagnetic-coupling state to a weak-antiferromagnetic state around the percolation point of the ∼24-{\AA}-thick granular spacer Si1-xAgx. The MR measurements also reveal an abrupt increase of MR near the same percolation point. These variations are ascribed to the formation of the percolation path in the granular spacer.",

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AU - Wang, Hai

AU - Tang, Yunjun

AU - Li, Xiang

AU - Chen, Xi

AU - Wang, Yinjun

AU - Zhu, Tao

AU - Zhao, Hongwu

AU - Zhan, Wenshan

PY - 2002/1/28

Y1 - 2002/1/28

N2 - In this letter, we present a study on the magnetic coupling and magnetoresistance (MR) properties in Fe/Si1-xAgx multilayers (MLs) with a granular Si1-xAgx spacer layer. We found that with increasing silver content (x) in a silicon matrix, the magnetic state of MLs varies from a nonmagnetic-coupling state to a weak-antiferromagnetic state around the percolation point of the ∼24-Å-thick granular spacer Si1-xAgx. The MR measurements also reveal an abrupt increase of MR near the same percolation point. These variations are ascribed to the formation of the percolation path in the granular spacer.

AB - In this letter, we present a study on the magnetic coupling and magnetoresistance (MR) properties in Fe/Si1-xAgx multilayers (MLs) with a granular Si1-xAgx spacer layer. We found that with increasing silver content (x) in a silicon matrix, the magnetic state of MLs varies from a nonmagnetic-coupling state to a weak-antiferromagnetic state around the percolation point of the ∼24-Å-thick granular spacer Si1-xAgx. The MR measurements also reveal an abrupt increase of MR near the same percolation point. These variations are ascribed to the formation of the percolation path in the granular spacer.

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Magnetic coupling and magnetoresistance in Fe/Si1-xAg x multilayers

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Magnetic coupling and magnetoresistance in Fe/Si_1-xAg _x multilayers