| 采用新型La_(0.07)Sr_(0.93)SnO_3电极制备外延透明BiFe_(0.95)Mn_(0.05)O_3铁电薄膜电容器 |
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| 引用本文： | 焦兴利,王海峰,刘亲壮,訾玉宝,吴文彬.采用新型La_(0.07)Sr_(0.93)SnO_3电极制备外延透明BiFe_(0.95)Mn_(0.05)O_3铁电薄膜电容器[J].低温物理学报,2010(6). |
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| 作者姓名： | 焦兴利 王海峰 刘亲壮 訾玉宝 吴文彬 |
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| 作者单位： | 合肥微尺度物质国家实验室中国科学技术大学; |
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| 基金项目： | 国家自然科学基金项目(批准号:10874166和50721061); 国家基础研究项目(批准号:2006CB922005和2009CB929502)资助的课题 |
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| 摘 要： | 本文使用脉冲激光沉积的方法在SrTiO3(STO)单晶衬底上采用一种新型的透明导电氧化物材料La0.07Sr0.93SnO3(LSSO)薄膜作为电极材料制备了BiFe0.95Mn0.05O3(BFMO)铁电薄膜电容器.XRD表征结果证实BF-MO/LSSO/STO外延异质结具有很好的单晶质量.光透过率的测试结果表明在500~2500nm的波长范围内,整个异质结的透光率与单纯STO衬底基片相似.在波长500nm附近BFMO出现吸收边,通过对吸收边进行(hνα)2-hν曲线拟合得到BFMO的直接光学带隙约为2.8eV.利用Pt作为上电极,我们测得了饱和的电滞回线,剩余极化Pr~60μC/cm2.
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| 关 键 词： | 铁酸铋 透明铁电电容器 脉冲激光沉积 |
FABRICATION OF EPITAXIAL AND TRANSPARENT BiFe_(0.95)Mn_(0.05)O_3 FERROELECTRIC CAPACITORS WITH La_(0.07)Sr_(0.93)SnO_3 ELECTRODES |
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| JIAO Xing-li WANG Hai-feng LIU Qin-zhuang ZI Yu-bao WU Wen-bin Hefei National Laboratory for Physical Sciences at the Microscale,University of Science , Technology of China,Hefei ,Chin.FABRICATION OF EPITAXIAL AND TRANSPARENT BiFe_(0.95)Mn_(0.05)O_3 FERROELECTRIC CAPACITORS WITH La_(0.07)Sr_(0.93)SnO_3 ELECTRODES[J].Chinese Journal of Low Temperature Physics,2010(6). |
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| Authors: | JIAO Xing-li WANG Hai-feng LIU Qin-zhuang ZI Yu-bao WU Wen-bin Hefei National Laboratory for Physical Sciences at the Microscale University of Science Technology of China Hefei Chin |
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| Institution: | JIAO Xing-li WANG Hai-feng LIU Qin-zhuang ZI Yu-bao WU Wen-bin Hefei National Laboratory for Physical Sciences at the Microscale,University of Science and Technology of China,Hefei 230026,Chin |
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| Abstract: | |
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| Keywords: | BiFeO3 Transparent Ferroelectric capacitor Pulsed Laser Deposition(PLD) |
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