Effect of the carrier concentration on the field emission from AlxGa1-xN

被引:0
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作者
Chung, MS [1 ]
Yoon, BG
Seo, HS
Miskovsky, NM
Cutler, PH
机构
[1] Univ Ulsan, Dept Phys, Ulsan 680749, South Korea
[2] Penn State Univ, Dept Phys, University Pk, PA 16802 USA
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中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We investigate the carrier concentration-dependence of the field emission from the the ternary alloy AlxGa1-xN. The field emission current density j is calculated as a function of the carrier concentration in the range of 10(5) < n less than or equal to 10(20) cm(-3). The effect of n on j changes with the field intensity F and the stoichiometric composition x. In the region of x < 0.1, j increases more rapidly with increasing n for large x. than for small x. Its effect becomes in ore pronounced as F becomes stronger. It is also shown that a certain difference in F Yields less change in j at low n and large x than at high n and small x.
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页码:S14 / S17
页数:4
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