-1/2, a result interpreted as conduction-electron tunneling between adjacent LSM granules. The minimum of ρ occurs in this particular sample may result from the competition of the tunneling effect and the intrinsic transport mechanism of LSM. The temperature dependence of the associated tunneling magnetoresistance is also reported in this low temperature regime."/>     多晶La<sub>0.7</sub>Sr<sub>0.3</sub>MnO<sub>3</sub>的低温输运性质和磁电阻效应
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物理学报  2004, Vol. 53 Issue (1): 260-264
凝聚物质:电子结构、电学、磁学和光学性质 当期目录| 下期目录| 过刊浏览| 高级检索     
席力, 葛世慧, 杨啸林, 李成贤
兰州大学教育部磁学与磁性材料重点实验室,兰州 730000
Transport properties and magnetoresistance effect of polycrystalline La0.7Sr0.3MnO3 at low temperatures
Xi Li, Ge Shi-Hui, Yang Xiao-Lin, Li Cheng-Xian
兰州大学教育部磁学与磁性材料重点实验室,兰州 730000

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