Thermal annealing effect on nitrogen related defects of GaInNAs semiconductors

被引:0
|
作者
Kim, Kang Min [1 ]
Lee, Jung-Il [2 ]
Ryu, Jeong Ho [1 ]
机构
[1] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058568, Japan
[2] Korea Natl Univ Transportat, Dept Mat Sci & Engn, Chungju 380702, Chungbuk, South Korea
来源
关键词
GaInNAs; Thermal annealing; N-induced defect; MOLECULAR-BEAM EPITAXY; QUANTUM-WELLS; SPECTROSCOPY; TEMPERATURE; RESONANCE; SURFACES; BEHAVIOR; ALLOYS; GROWTH;
D O I
暂无
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Nitrogen related defects of GaInNAs epilayers grown by molecular beam epitaxy were investigated before and after rapid thermal annealing using X-ray photoelectron spectroscopy (XPS). XPS analysis revealed that the N-induced defect configurations are most likely attributed to the N-As spilt interstitials and (N-As-As-Ga) complex. Comparison of as-grown and annealed samples showed that the nearest N-bonding configuration of GaInNAs changes from Ga3In1N to Ga1In3N after annealing, which can lead to reduction of the local strain. Annealed sample demonstrated a reduced the defect concentration, which could be due to the transformation of nearest N-bonding configuration after annealing.
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页码:45 / 48
页数:4
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