Spintronic investigation of the phase separated manganite (La, Ca)MnO3

被引：7
|
作者：
Hueso, L. E.
Granja, L.
Levy, P.
Mathur, N. D.
机构：
[1] Univ Cambridge, Dept Mat Sci, Cambridge CB2 3QZ, England
[2] Comis Nacl Energia Atom, Dept Fis, RA-1650 Buenos Aires, DF, Argentina
来源：
JOURNAL OF APPLIED PHYSICS | 2006年 / 100卷 / 02期
基金：
英国工程与自然科学研究理事会;
关键词：
D O I：
10.1063/1.2214469
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report magnetic and electrical transport studies of an epitaxially grown trilayer thin film structure comprising La0.59Ca0.41MnO3 sandwiched between La0.7Ca0.3MnO3 electrodes. Since La0.59Ca0.41MnO3 lies at the edge of the thin film ferromagnetic metallic phase field, phase separation effects are expected. These effects can explain the observed magnetic isotropy of the middle layer. By contrast, the electrode material is magnetically uniaxial. Easy axis magnetic field sweeps of the trilayer produce two sharp magnetic transitions, but only one sharp transition in current-in-plane resistance measurements. (c) 2006 American Institute of Physics.
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页数：3
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