Indexed by:
Abstract:
通过激光辐照固态Al膜,制备了一种p型重掺杂4H-SiC,分析了Al膜厚度、激光脉冲个数对掺杂结果的影响,验证了不同工艺参数对p型掺杂层表面电学性能的调控作用.结果表明,当Al膜厚度为120 nm,脉冲个数为50时,掺杂试样的最大载流子浓度为6.613×1017 cm-3,最小体电阻率为17.36Ω·cm,掺杂浓度(粒子数浓度)可达6.6×1019 cm-3.4H-SiC的Al掺杂改性机理为:在紫外激光作用下,Si-C键断裂,Al原子替代Si原子形成p型掺杂层.
Keyword:
Reprint Author's Address:
Email:
Source :
中国激光
ISSN: 0258-7025
Year: 2018
Issue: 6
Volume: 45
Page: 98-105
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 2
Chinese Cited Count:
30 Days PV: 5
Affiliated Colleges: