Indexed by:
Abstract:
采用金属有机物化学气相淀积技术(MOCVD)在蓝宝石衬底上低温(870-980℃)生长p型氮化镓(p-GaN).用Hall测试仪测量材料的电学性能,发现当温度低于900℃时,材料的电阻率较高;在900-980℃均可获得导电性能良好的p-GaN.另外,电导性能除与掺杂浓度有关,还与p-GaN生长条件有关,氮镓摩尔比过低导电性能就较差,过高则会引起表面粗糙.采用优化后的p-GaN制作了绿光发光二极管器件,发现生长温度越低器件发光强度越高,反向电压也越高,但正向电压只是略有升高.
Keyword:
Reprint Author's Address:
Email:
Source :
物理学报
ISSN: 1000-3290
Year: 2006
Issue: 3
Volume: 55
Page: 1424-1429
1 . 0 0 0
JCR@2022
ESI Discipline: PHYSICS;
JCR Journal Grade:2
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 21
Chinese Cited Count:
30 Days PV: 9
Affiliated Colleges: