Theory of ballistic electron emission microscopy with constant current feedback

被引：1
|
作者：
Pearson, DA [1 ]
Sham, LJ [1 ]
机构：
[1] Univ Calif San Diego, Dept Phys 0350, La Jolla, CA 92093 USA
来源：
APPLIED PHYSICS LETTERS | 2000年 / 76卷 / 26期
关键词：
D O I：
10.1063/1.126844
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A theory of ballistic electron emission microscopy is presented that incorporates constant tunnel current feedback and models the band structure and space charge effects on the electron transmission. The computation is beyond the effective mass approximation but short of being from first principles. We compare theory and experimental Au/GaAs(001) dI/dV data and find that the L point does not contribute to an observable threshold and that the corresponding experimental feature is due to band structure effects. (C) 2000 American Institute of Physics. [S0003-6951(00)01826-X].
引用
收藏
页码：3989 / 3991
页数：3
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