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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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la-gd-ca-mn-o的不可逆磁电阻效应
Keywords: 稀土锰氧化物,巨磁电阻效应,不可逆磁电阻
Abstract:
？随掺gd量的增加,la-gd-ca-mn-o化合物的金属-绝缘体相变温度逐渐下降,对应的峰值电阻率大幅度增加,磁电阻比明显提高,掺入11%的gd可以使材料的磁电阻比提高一个数量级.gd的掺入还引起材料磁电阻出现明显的不可逆效应,随掺gd量增加,不可逆效应明显增大.
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