| 双层钙钛矿La1.8 Ca1.2 Mn2 O7 磁性相关I-V非线性与电输运性质 |
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| 引用本文： | 邓恒,杨昌平,黄昌,徐玲芳.双层钙钛矿La1.8 Ca1.2 Mn2 O7 磁性相关I-V非线性与电输运性质[J].海洋学报,2010,32(10):7390-7395. |
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| 作者姓名： | 邓恒 杨昌平 黄昌 徐玲芳 |
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| 作者单位： | 湖北大学物理学与电子技术学院,铁电压电材料与器件湖北省重点实验室,武汉 430062;湖北大学物理学与电子技术学院,铁电压电材料与器件湖北省重点实验室,武汉 430062; 燕山大学亚稳材料制备技术与科学国家重点实验室,秦皇岛 066004;湖北大学物理学与电子技术学院,铁电压电材料与器件湖北省重点实验室,武汉 430062;湖北大学物理学与电子技术学院,铁电压电材料与器件湖北省重点实验室,武汉 430062 |
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| 基金项目： | 国家自然科学基金(批准号:10774040,0911120055)和教育部新世纪优秀人才支持计划(批准号:NCET-08-0674)资助的课题. |
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| 摘 要： | 采用传统固相反应法制备了双层钙钛矿结构锰氧化物La1.8Ca1.2Mn2O7陶瓷,并用X射线粉末衍射法,扫描电镜,HL5500PC Hall效应分析仪和综合物性测量系统(PPMS)对其磁、电性质进行了表征.结果表明:经过两次高温烧结可合成具有双层Sr3Ti2O7型四方结构的La1.8Ca1.2Mn2<
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| 关 键 词： | 双层钙钛矿锰氧化物 I-V非线性 晶界磁性势垒 磁电耦合 |
Magnetically correlated I-V nonlinearity and electrical transport property of the double-layered perovskite La1.8 Ca1.2 Mn2 O7 compound |
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| Deng Heng,Yang Chang-Ping,Huang Chang and Xu Ling-Fang.Magnetically correlated I-V nonlinearity and electrical transport property of the double-layered perovskite La1.8 Ca1.2 Mn2 O7 compound[J].Acta Oceanologica Sinica (in Chinese),2010,32(10):7390-7395. |
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| Authors: | Deng Heng Yang Chang-Ping Huang Chang and Xu Ling-Fang |
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| Institution: | The Faculty of Physics and Electronic Technology and Key Laboratory of Ferroelectric and Piezoelectric Materials and Devices of Hubei Province, Hubei University, Wuhan 430062, China;The Faculty of Physics and Electronic Technology and Key Laboratory of Ferroelectric and Piezoelectric Materials and Devices of Hubei Province, Hubei University, Wuhan 430062, China; State Key Laboratory of Metastable Materials Science and Technology, Yan;The Faculty of Physics and Electronic Technology and Key Laboratory of Ferroelectric and Piezoelectric Materials and Devices of Hubei Province, Hubei University, Wuhan 430062, China;The Faculty of Physics and Electronic Technology and Key Laboratory of Ferroelectric and Piezoelectric Materials and Devices of Hubei Province, Hubei University, Wuhan 430062, China |
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| Abstract: | |
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| Keywords: | double-layered perovskite manganites I-V nonlinearity magnetic Schottky barrier magnetic-electric coupling |
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