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Abstract:
采用电子背散射衍射(EBSD)技术,测量CaN/蓝宝石结构中的弹性应变场.将EBSD菊池衍射花样的图像质量IQ值及小角度错配作为应力敏感参数,表征GaN-Buffer层-蓝宝石结构中的晶格畸变和转动,显示微区弹性应变场.在GaN/蓝宝石系统中,弹性应变的影响范围大约200×700nm.采用快速傅立叶变换(FIT)提取菊池花样的衍射强度,识别CaN外延结构中的应变/无应变区域.
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电子学报
ISSN: 0372-2112
Year: 2008
Issue: 11
Volume: 36
Page: 2139-2143
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 2
Chinese Cited Count:
30 Days PV: 7
Affiliated Colleges: