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题名: Field emission enhancement by the quantum structure in an ultrathin multilayer planar cold cathode
作者: Wang, RZ;  Yan, H;  Wang, B;  Zhang, XW;  Hou, XY
发表日期: 2008
摘要: Field electron emission (FE) from an ultrathin multilayer planar cold cathode (UMPC) including a quantum well structure has been both experimentally and theoretically investigated. We found that by tuning the energy levels of UMPC, the FE characteristic can be evidently improved, which is unexplained by conventional FE mechanism. FE emission mechanism, dependent on the quantum structure effect, which supplies a favorable location of electron emission and enhances tunneling ability, has been presented to expound the notable amelioration. An approximate formula, brought forward, can predict the quantum FE enhancement, in which the theoretical prediction is close to the experimental result. (C) 2008 American Institute of Physics.
KOS主题词: Electrons--Emission;  mechanism;  emitter;  gap
刊名: APPLIED PHYSICS LETTERS
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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推荐引用方式:
Wang, RZ ; Yan, H ; Wang, B ; Zhang, XW ; Hou, XY .Field emission enhancement by the quantum structure in an ultrathin multilayer planar cold cathode ,APPLIED PHYSICS LETTERS,2008 ,92(14): Art. No. 142102
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