Thickness dependence of the anomalous Hall effect in disordered face-centered cubic FePt alloy films

doi:10.1088/1674-1056/23/1/017104

中国物理B ›› 2014, Vol. 23 ›› Issue (1): 17104-017104.doi: 10.1088/1674-1056/23/1/017104

• CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES • 上一篇下一篇

Thickness dependence of the anomalous Hall effect in disordered face-centered cubic FePt alloy films

陈明^a, 何攀^a, 周仕明^{a b}, 时钟^{a b}

a Department of Physics, Fudan Univsity, Shanghai 200433, China;
b Shanghai Key Laboratory of Special Artificial Microstructure, Pohl Institute of Solid State Physics, and School of Physics Science and Engineering, Tongji University, Shanghai 200092, China

收稿日期:2013-07-22 修回日期:2013-08-22 出版日期:2013-11-12 发布日期:2013-11-12
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 51171129), the National Basic Research Program of China (Grant No. 2002CB613504), and Shanghai Nanotechnology Program Center, China (Grant No. 0252nm004).

Thickness dependence of the anomalous Hall effect in disordered face-centered cubic FePt alloy films

Chen Ming (陈明)^a, He Pan (何攀)^a, Zhou Shi-Ming (周仕明)^{a b}, Shi Zhong (时钟)^{a b}

a Department of Physics, Fudan Univsity, Shanghai 200433, China;
b Shanghai Key Laboratory of Special Artificial Microstructure, Pohl Institute of Solid State Physics, and School of Physics Science and Engineering, Tongji University, Shanghai 200092, China

Received:2013-07-22 Revised:2013-08-22 Online:2013-11-12 Published:2013-11-12
Contact: Shi Zhong E-mail:shizhong@tongji.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 51171129), the National Basic Research Program of China (Grant No. 2002CB613504), and Shanghai Nanotechnology Program Center, China (Grant No. 0252nm004).

摘要/Abstract

摘要： The anomalous Hall effect in disordered face-centered cubic (fcc) FePt alloy films is experimentally studied. The longitudinal resistivity independent term of the anomalous Hall conductivity (AHC) increases and approaches saturation with increasing film thickness. The contribution of side jump scattering is suggested to decrease monotonically with increasing film thickness, which can be ascribed to the variation of the surface scattering with the film thickness. The sign of the skew scattering contribution to the AHC is opposite to that of the intrinsic contribution in the system.

关键词: anomalous Hall effect, FePt, disordered alloy

Abstract: The anomalous Hall effect in disordered face-centered cubic (fcc) FePt alloy films is experimentally studied. The longitudinal resistivity independent term of the anomalous Hall conductivity (AHC) increases and approaches saturation with increasing film thickness. The contribution of side jump scattering is suggested to decrease monotonically with increasing film thickness, which can be ascribed to the variation of the surface scattering with the film thickness. The sign of the skew scattering contribution to the AHC is opposite to that of the intrinsic contribution in the system.

Key words: anomalous Hall effect, FePt, disordered alloy

中图分类号: (Spin-orbit coupling, Zeeman and Stark splitting, Jahn-Teller effect)

71.70.Ej

73.50.Jt (Galvanomagnetic and other magnetotransport effects) 75.47.Np (Metals and alloys) 75.50.Bb (Fe and its alloys)

陈明, 何攀, 周仕明, 时钟. Thickness dependence of the anomalous Hall effect in disordered face-centered cubic FePt alloy films[J]. 中国物理B, 2014, 23(1): 17104-017104.

Chen Ming (陈明), He Pan (何攀), Zhou Shi-Ming (周仕明), Shi Zhong (时钟). Thickness dependence of the anomalous Hall effect in disordered face-centered cubic FePt alloy films[J]. Chin. Phys. B, 2014, 23(1): 17104-017104.

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Thickness dependence of the anomalous Hall effect in disordered face-centered cubic FePt alloy films

Thickness dependence of the anomalous Hall effect in disordered face-centered cubic FePt alloy films

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