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    Chen Xin, Wang Zhi-hong, Li Run-wei, Shen Bao-gen, Zhao Hong-wu, Zhan Wen-shan, Chen Jin-song, Zhang Xi-xiang. CURRENT-DEPENDENT POSITIVE MAGNETORESISTANCE IN Ga-DOPED La0.5Ca0.5MnO3J. Chin. Phys. B, 2001, 10(8): 751-755.
    Chen Xin, Wang Zhi-hong, Li Run-wei, Shen Bao-gen, Zhao Hong-wu, Zhan Wen-shan, Chen Jin-song, Zhang Xi-xiang. CURRENT-DEPENDENT POSITIVE MAGNETORESISTANCE IN Ga-DOPED La0.5Ca0.5MnO3J. Chin. Phys. B, 2001, 10(8): 751-755.
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    • CURRENT-DEPENDENT POSITIVE MAGNETORESISTANCE IN Ga-DOPED La0.5Ca0.5MnO3

      Abstract
    • The magnetic and transport properties of the Ga-doped charge-ordering state La0.5Ca0.5MnO3 have been studied. A current-dependent large positive magnetoresistance (1080%) at 5 K was observed. These observations are interpreted in terms of the spin-dependent tunnelling process between ferromagnetic clusters embedded in an antiferromagnetic matrix.
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