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Abstract:
通过对不同厚度的p-InGaN样品进行环形传输线欧姆接触实验,发现p-InGaN与Ni/Au的比接触电阻随InGaN层厚度的增大而增大,且当InGaN层的厚度小于某一特定值时,其比接触电阻低于p-GaN与Ni/Au的欧姆比接触电阻,通过分析认为这是由InGaN层的极化效应导致接触势垒降低和载流子隧穿几率增大造成的,但同时受样品表面形貌和InN本身固有的积累电子层的特性影响,当InGaN层的厚度超过这一特定值后其接触特性反而比p-GaN差.
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固体电子学研究与进展
ISSN: 1000-3819
Year: 2008
Issue: 1
Volume: 28
Page: 87-90
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 1
Chinese Cited Count:
30 Days PV: 8
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