| Mn位Ru替代对Pr0.5Ca0.5MnO3电磁特性及磁电阻的影响 |
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| 引用本文： | 郭宏瑞,张铭,严辉.Mn位Ru替代对Pr0.5Ca0.5MnO3电磁特性及磁电阻的影响[J].低温物理学报,2011(3):174-178. |
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| 作者姓名： | 郭宏瑞 张铭 严辉 |
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| 作者单位： | 北京工业大学材料科学与工程学院; |
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| 基金项目： | 北京市属高等学校人才强教深化计划“学术创新团队建设计划”项目(PHR201007101); 北京市教委科研计划(KM200910005023)资助的课题~~ |
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| 摘 要： | 通过对Mn位Ru替代体系Pr0.5Cao.5Mn1-xRuxO3(0.00≤x≤0.09)的磁性及电输运机制进行研究,发现Ru元素的替代对居里温度Tc、绝缘体-金属相变温度TIM有明显影响,导致了异常电输运及磁电阻行为的出现;随着Ru含量的增加,Tc及TIM均向高温区移动,在外加磁场作用下,电阻率峰值被强烈压缩,从而导...
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| 关 键 词： | 掺杂 相变 CMR效应 |
EFFECT OF Ru DOPING ON Mn-SITE ON THE ELECTRICALl AND MAGNETIC PROPERTIES OF Pr_(0.5)Ca_(0.5)MnO_3 |
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| GUO Hong-Rui ZHANG Ming YAN Hui College of Materials Science , Engineering,Beijing University of Technology,Beijing.EFFECT OF Ru DOPING ON Mn-SITE ON THE ELECTRICALl AND MAGNETIC PROPERTIES OF Pr_(0.5)Ca_(0.5)MnO_3[J].Chinese Journal of Low Temperature Physics,2011(3):174-178. |
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| Authors: | GUO Hong-Rui ZHANG Ming YAN Hui College of Materials Science Engineering Beijing University of Technology Beijing |
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| Institution: | GUO Hong-Rui ZHANG Ming YAN Hui College of Materials Science and Engineering,Beijing University of Technology,Beijing 100124 |
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| Abstract: | |
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| Keywords: | doping transition CMR effect |
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