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1. 中国科学院大学 北京,100049
2. 发光学及应用国家重点实验室 中国科学院长春光学精密机械与物理研究所, 吉林 长春 130033
3. 东北师范大学 物理学院, 吉林 长春 130024
收稿日期:2013-04-12,
修回日期:2013-05-19,
纸质出版日期:2013-10-10
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尚开, 张振中, 李炳辉, 徐海阳, 张立功, 赵东旭, 刘雷, 王双鹏, 申德振. 电子束泵浦氧化锌基量子阱的斯塔克效应[J]. 发光学报, 2013,34(10): 1270-1274
SHANG Kai, ZHANG Zhen-zhong, LI Bing-hui, XU Hai-yang, ZHANG Li-gong, ZHAO Dong-xu, LIU Lei, WANG Shuang-peng, SHEN De-zhen. Quantum-confined Stark Effects in Cathodoluminescence of ZnO/Zn<sub>0.85</sub>Mg<sub>0.15</sub>O Quantum Wells Pumped by Large Beam Current[J]. Chinese Journal of Luminescence, 2013,34(10): 1270-1274
尚开, 张振中, 李炳辉, 徐海阳, 张立功, 赵东旭, 刘雷, 王双鹏, 申德振. 电子束泵浦氧化锌基量子阱的斯塔克效应[J]. 发光学报, 2013,34(10): 1270-1274 DOI: 10.3788/fgxb20133410.1270.
SHANG Kai, ZHANG Zhen-zhong, LI Bing-hui, XU Hai-yang, ZHANG Li-gong, ZHAO Dong-xu, LIU Lei, WANG Shuang-peng, SHEN De-zhen. Quantum-confined Stark Effects in Cathodoluminescence of ZnO/Zn<sub>0.85</sub>Mg<sub>0.15</sub>O Quantum Wells Pumped by Large Beam Current[J]. Chinese Journal of Luminescence, 2013,34(10): 1270-1274 DOI: 10.3788/fgxb20133410.1270.
在不同功率密度的电子束泵浦条件下
对ZnO/Zn
0.85
Mg
0.15
O非对称双量子阱的荧光光谱进行了研究
并采用蒙特卡罗仿真模拟对测试结果进行了分析。模拟的结果和实验结果高度吻合。观测到了不随穿透深度变化的阱区发光峰红移
证明表面电荷积累引起了量子限域斯塔克效应。
Cathodoluminescence (CL) of ZnO/Zn
0.85
Mg
0.15
O asymmetric double-quantum-well structure under various excitation conditions was studied. A Monte Carlo simulation CL generation profiles was adopted. An excellent agreement between the experimental CL emissions and theoretically simulations was observed. A marked red shift of the emission peak was clearly observed under large beam current excitation
which was attributed to quantum-confined Stark effect caused by electron accumulation on the sample surface.
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