Spectra of Hydrogenic Donor States in Quantum-Dot Quantum Well Structures

罗莹; 谢洪鲸; 马本堃; 李家强; 朱嘉麟

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Spectra of Hydrogenic Donor States in Quantum-Dot Quantum Well Structures

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The series expansion approach has been employed to calculate the exact energy spectra of hydrogenic donor states in a quantum-dot quantum well(QDQW). The result shows that the hydrogenic donor energy levels are very different from those in a quantum dot. In a QDQW, the donor energy levels depend on not only the radius of core and the barrier, but also the numbers of small wells. When there exist two small wells outside the core, the “band gap”exists between donor levels, and its width depends on the depth of the small wells.

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《中国物理快报：英文版》 |1999年第9期|P.680-682|共3页
作者
罗莹; 谢洪鲸; 马本堃; 李家强; 朱嘉麟;
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作者单位

Department of Physics Beijing Normal University Beijing 100875;

Department of Physics Beijing Normal University Beijing 100875;

Department of Physics Beijing Normal University Beijing 100875;

Department of Physics Tsinghua Universityj Beijing 100084;

Department of Physics Tsinghua Universityj Beijing 100084Center of Theoretical Physics Chinese Center of Advanced Science and Technology(World Laboratory) P.O.Box 8730 Beijing 100080;

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原文格式 PDF
正文语种 chi
中图分类半导体物理学;
关键词
donor; quantum; hydrogenic;

Spectra of Hydrogenic Donor States in Quantum-Dot Quantum Well Structures

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