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GaN圆柱形量子点的量子限制Stark频移 被引量：1

Quantum-Confined Stark Shift in Electroreflectrance of Cylindrical GaN Quantum Dot
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摘要 研究了圆柱形GaN量子点的电调制反射谱,外加电场的变化范围为10-50 kV/cm,在调制电场的作用下,电反射谱具有Franz-Keldysh振荡的特点.当调制电场的强度发生变化时,Franz-Keldysh振荡出现Stark频移,并分别对轻空穴和重空穴作用下的特点进行讨论. The electroreflectrance spectrum of cylindricnal GaN quantum dot has been studied under an electric field intensity which changed from 10 kV/cm to 50 kV/cm.Under the modulated electric field,the ER spectra with energy scaled in E-Eg exhibits Franz-Keldysh oscillation characteristic.The Stark shift happened when the electric field intensity increased with the contribution of light hole（or heavy hole）.The characteristic in the condition of light hole and heavy hole is different.
作者 高海燕 李聪 袁超
机构地区 华北水利水电学院数学与信息科学学院 河南农业大学理学院
出处 《江西师范大学学报（自然科学版）》 CAS 北大核心 2011年第3期228-230,共3页 Journal of Jiangxi Normal University(Natural Science Edition)
基金 国家自然科学基金(10947162)资助项目
关键词 量子点 量子限制Stark频移 Franz-Keldysh振荡 quantum dot quantum-confined Stark shift Franz-Keldysh oscillation
分类号 O437 [机械工程—光学工程]
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参考文献12

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共引文献1

同被引文献18

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  • 9Xu Yong,Xiong Guiguang.Quadratic electro-optic effects andelectro-absorption process in semiconductor carbon nanotubes[J].Physica E,2004(25):23-28.
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引证文献1

江西师范大学学报（自然科学版）
2011年 第3期

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