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摘要:
The authors investigated the effects of plasma treatment on ICP etch damage. The GaN-based LED was put in PECVD chamber at different temperature and treated by N2, N2O and NH3 plasma under different RF power. It is observed that, in the case of 100C and 20 W RF power, the optical and electrical characteristics of GaN-LEDs were improved after the N2O plasma treatment, the optical and electrical characteristics of GaN-LEDs were improved slightly after the N2 plasma treatment, while that of the GaN-LEDs were significantly degraded after the NH3 plasma treatment.
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来源 :
Journal of Beijing University of Technology
ISSN: 0254-0037
年份: 2008
期: 7
卷: 34
页码: 682-687
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