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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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低掺杂La0.82Sr0.18MnO3巨磁电阻块材的低频内耗
, PP. 1170-1172
Keywords: 内耗,巨磁电阻,电磁性能,相变
Abstract:
用低频扭摆法测试了低掺杂La0.82Sr0.18MnO3巨磁电阻块材的内耗及弹性模量。所测试的温度范围内，在276和154K存在两个内耗峰，且在相应的温度，模量有明显的变化，结合电磁性能的测试结果，认为高温峰起源于顺磁绝缘体斜方相向铁磁金属斜方相的转变，低温峰则被解释为铁磁金属斜方相向铁磁金属正方相的转变.
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