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首页> 外文期刊>Physica, B. Condensed Matter >Electric and magnetic properties of PMMA/manganite composites
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Electric and magnetic properties of PMMA/manganite composites

机译：PMMA /锰矿复合材料的电磁性能

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摘要

We present the synthesis and characterization of the La2/3Sr1/3MnO3 manganite in the form of tapes using polymethyl methacrylate (PMMA) as binder. We have studied their electric and magnetic properties as a function of temperature and magnetic field. The magnetization results have been shown to be dominated by the intrinsic magnetic properties of the manganite. Resistivity measurements showed an insulating behavior in the whole range of temperatures measured, indicating that the percolation threshold of manganite grains has not been reached even for the sample with 35% of PMMA relative content. The obtained magnetoresistance is largest in the sample with 35% of PMMA relative content.
机译：我们以聚甲基丙烯酸甲酯（PMMA）为粘合剂，以带状形式呈现La2 / 3Sr1 / 3MnO3锰矿的合成与表征。我们已经研究了它们的电和磁性能随温度和磁场的变化。已经显示出磁化结果受锰矿的固有磁性所支配。电阻率测量显示在整个温度范围内都具有绝缘行为，这表明即使对于PMMA相对含量为35％的样品，也没有达到锰矿晶粒的渗透阈值。所获得的磁阻在样品中最大，PMMA相对含量为35％。

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