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A面(11-20)ZnO薄膜中杂质的偏振PL谱研究
Authors
周立
王占国
金鹏
陈涌海
Publication date
1 January 2008
Publisher
Abstract
本文通过分析A面(11-20)ZnO薄膜的低温PL(光致发光)光谱偏振特性来研究ZnO光致发光谱中杂质峰的来源.低温(4 K)下观察到476、479 nm两处新的杂质峰以及390 nm处激子峰,根据两个杂质峰的偏振特性,初步判定476nm峰来源于氧空位能级到价带轻空穴的跃迁,479 nm峰来源于氧空位价带重空穴的跃迁
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Last time updated on 15/03/2019