| LaB0.5Mn0.5O3(B=Co,Fe)的磁性及电输运特性的研究 |
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| 引用本文： | 刘宝琴,刘振华,任世超,刘丽君,张春伟,何军辉.LaB0.5Mn0.5O3(B=Co,Fe)的磁性及电输运特性的研究[J].低温物理学报,2011(2):146-150. |
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| 作者姓名： | 刘宝琴 刘振华 任世超 刘丽君 张春伟 何军辉 |
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| 作者单位： | 扬州大学物理科学与技术学院; |
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| 摘 要： | 采用固相烧结工艺制备了钙钛矿锰氧化物LaCo0.5Mn0.5 O3和LaFe0.5 Mn0.5O3,系统研究了样品的磁性、电输运特性和磁电阻效应.室温下LaCo0.5M0.5O3和LaFe0.5Mn0.5O3均呈现顺磁行为.电子顺磁共振得到LaFe0.5Mn0.5O3样品的朗德因子g=1.9661,与Fe3+离子(g=...
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| 关 键 词： | 钙钛矿锰化物 磁性 电子顺磁共振 磁电特性 磁电阻特性 |
THE MAGNETIC AND TRANSPORT PROPERTIES OF LaB_(0.5)Mn_(0.5)O_3 (B=Co,Fe) |
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| LIU Bao-qin LIU Zhen-hua REN Shi-chaoLIU Li-jun ZHANG Cun-wei HE Jun-huiCollege of Physics Science , Technology,Yangzhou University,Jiangsu Yangzhou.THE MAGNETIC AND TRANSPORT PROPERTIES OF LaB_(0.5)Mn_(0.5)O_3 (B=Co,Fe)[J].Chinese Journal of Low Temperature Physics,2011(2):146-150. |
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| Authors: | LIU Bao-qin LIU Zhen-hua REN Shi-chaoLIU Li-jun ZHANG Cun-wei HE Jun-huiCollege of Physics Science Technology Yangzhou University Jiangsu Yangzhou |
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| Institution: | LIU Bao-qin LIU Zhen-hua REN Shi-chaoLIU Li-jun ZHANG Cun-wei HE Jun-huiCollege of Physics Science and Technology,Yangzhou University,Jiangsu Yangzhou 225002 |
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| Abstract: | LaCo0.5Mn0.5O3 and LaFe0.5Mn0.5O3 have been prepared by traditional solid-state reaction method.The magnetic,transport properties and magnetoresistance have been systematically investigated.Both of the samples are paramagnetic at room temperature.From the room temperature Electron Spin Resonance(ESR) we get the Lande factor of LaFe0.5Mn0.5O3 (g=1.9661).Both of the samples are semiconductors,at temperatures from 300 to 140K,T-1/4 (T is temperature) dependence of the conductivity was found to meet Mott variab... |
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| Keywords: | perovskite manganite magnetic ESR magneto-electric propert magntoresistance |
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