Theoretical simulation on the variation in the transport behavior under pressure and magnetic field in La0.825Sr0.175MnO3

被引：1
作者：
Wang, Jing-Yi [1 ]
Hu, Chun-Lian [1 ]
Jin, Kui-Juan [1 ]
Lu, Hui-Bin [1 ]
Wang, Cong [1 ]
Zhao, Rui-Qiang [1 ]
Yang, Guo-Zhen [1 ]
机构：
[1] Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100190, Peoples R China
来源：
JOURNAL OF APPLIED PHYSICS | 2010年 / 107卷 / 11期
基金：
中国国家自然科学基金;
关键词：
colossal magnetoresistance; Curie temperature; ferromagnetic materials; ferromagnetic-paramagnetic transitions; lanthanum compounds; magnons; paramagnetic materials; phase separation; solid-state phase transformations; spin polarised transport; strontium compounds; ELECTRON-ELECTRON SCATTERING; INSULATOR-METAL TRANSITION; LA2/3CA1/3MNO3; THIN-FILMS; DOUBLE-EXCHANGE; MANGANITE; MAGNETORESISTANCE; RESISTIVITY; LA1-XSRXMNO3; PEROVSKITE;
D O I：
10.1063/1.3432751
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Based on phase separation model and breadth-first traversal algorithm, the spin-related electron transport property of La0.825Sr0.175MnO3 under hydrostatical pressure and magnetic field was systematically simulated. We find that the external hydrostatical pressure has a more important influence on the residual resistivity, high temperature resistivity coefficient, activation energy, and electron scattering of La0.825Sr0.175MnO3 than the external magnetic field. However, the Curie temperature and the magnon scattering are more sensitive to the external magnetic field than to the external hydrostatical pressure in La0.825Sr0.175MnO3. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3432751]
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页数：5
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