| Pico-second photoelectric characteristic in manganite oxide La0.67Ca0.33MnO3 films |
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| 作者姓名： | 赵昆 黄延红 吕惠宾 何萌 金奎娟 陈正豪 周岳亮 程波林 戴守愚 杨国桢 |
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| 作者单位： | Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China; International Centre for Materials Physics, Chinese Academy of Sciences, Shenyang 110016, China;Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China;Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China;Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China;Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China;Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China;Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China;Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China;Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China;Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China (Grant No 10334070). |
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| 摘 要： | Ultrafast photoelectric characteristic has been observed in La0.67Ca0.33MnO3 films on tilted SrTiO3 substrates. A pico-second (ps) open-circuit photovoltage of the perovskite manganese oxide films has been obtained when the films were irradiated by a 1.064μm laser pulse of 25 ps duration. The rise time and full width at half-maximum of the photovoltage pulse are ～300 ps and ～700 ps, respectively. The photovoltaic sensitivity was as large as ～500 mV/mJ.
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| 关 键 词： | 薄膜物理学 氧化锰 光电特征 激光脉冲 灵敏度 |
| 收稿时间： | 2004-10-26 |
Pico-second photoelectric characteristic in manganite oxide La0.67Ca0.33MnO3 films |
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| Zhao Kun,Huang Yan-Hong,Lü Hui-Bin,He Meng,Jin Kui-Juan,Chen Zheng-Hao,Zhou Yue-Liang,Cheng Bo-Lin,Dai Shou-Yu,Yang Guo-Zhen.Pico-second photoelectric characteristic in manganite oxide La0.67Ca0.33MnO3 films[J].Chinese Physics B,2005,14(2):420-421. |
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| Authors: | Zhao Kun Huang Yan-Hong Lü Hui-Bin He Meng Jin Kui-Juan Chen Zheng-Hao Zhou Yue-Liang Cheng Bo-Lin Dai Shou-Yu Yang Guo-Zhen |
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| Institution: | Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China; Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China; International Centre for Materials Physics, Chinese Academy of Sciences, Shenyang 110016, China |
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| Abstract: | Ultrafast photoelectric characteristic has been observed in La0.67Ca0.33MnO3 films on tilted SrTiO3 substrates. A pico-second (ps) open-circuit photovoltage of the perovskite manganese oxide films has been obtained when the films were irradiated by a 1.064μm laser pulse of 25 ps duration. The rise time and full width at half-maximum of the photovoltage pulse are ～300 ps and ～700 ps, respectively. The photovoltaic sensitivity was as large as ～500 mV/mJ. |
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| Keywords: | manganese oxide thin film photoelectric characteristic |
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