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题名: Self-consistent calculation of electronic states in asymmetric double barrier structure
作者: Song AM;  Zheng HZ
发表日期: 1995
摘要: With contributions from both three-dimensional (3D) electrons in heavily doped contacts and 2D electrons in the accumulation layer, a self-consistent calculation based on effective mass theory is presented for studying the anomalous behaviour of the quasi-bound levels in the accumulation layer and that in the central well of an asymmetric double barrier structure (DBS). By choosing the thickness of the incident barrier properly, it is revealed that these two quasi-bound levels may merge into a unique bound level in the off-resonance regime which shows a very good 2D nature in contrast to the conventional picture for level crossing. An evident intrinsic I-V bistability is also shown. It is noticeable that the effect of charge build-up in the central well is so strong that the electric field in the incident barrier even decreases when the applied bias increases within the resonant region.
KOS主题词: electron states;  Heraldry;  diode
刊名: MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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Song AM; Zheng HZ .Self-consistent calculation of electronic states in asymmetric double barrier structure ,MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY,1995,35(0):367-371
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