| 铁电畴夹层结构中声致发光的探讨 |
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| 引用本文： | 熊和金,李兴教.铁电畴夹层结构中声致发光的探讨[J].发光学报,1996,17(4):328-331. |
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| 作者姓名： | 熊和金 李兴教 |
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| 作者单位： | 华中理工大学固体电子学系, 武汉 430074 |
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| 摘 要： | 由4mm铁电半导体构成的铁电180°畴夹层结构,在超声波的激发下有铁电畴层波产生。铁电畴层波的电势场使电子和空穴不断地分离与复合而辐射光脉冲,将超声波能量转化为光能。调节超声波,可改变光脉冲的强度和周期。
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| 关 键 词： | 铁电畴 超声波 声致发光 |
| 收稿时间： | 1996-01-15 |
INVESTIGATION OF ACOUSTOLUMINESCENCE IN FERROELECTRIC DOMAIN SANDWICH STRUCTURE |
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| Xiong Hejin Li Xingjiao.INVESTIGATION OF ACOUSTOLUMINESCENCE IN FERROELECTRIC DOMAIN SANDWICH STRUCTURE[J].Chinese Journal of Luminescence,1996,17(4):328-331. |
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| Authors: | Xiong Hejin Li Xingjiao |
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| Institution: | Department of Solid State Electronics, Huaztwng University of Science and Technology. Wuhan 430074 |
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| Abstract: | When the ultrasonic wave is applied to a 4mm ferroelectric semiconductor 180° domain sandwich structure, the ferroelectric domain layer wave (FDLW) will be induced. The electric potential fields of FDLW make the electrons and holes in the domain structure separate and compound continuously, the light pulse will be emitted, transforming the ultrasonic energy into light energy. Modulating the ultrasonic wave, intensity and period of the light pulse will change. |
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| Keywords: | ferroelectric domain ultrasonic wave acoustoluminescence |
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