Improved InAsP metamorphic layers grown on an InP substrate using underlying InP grown at low temperatures

被引:12
作者
Czaban, J. A. [1 ]
Thompson, D. A. [1 ]
Robinson, B. J. [1 ]
机构
[1] McMaster Univ, Ctr Emerging Dev Technol, Hamilton, ON L8S 4L7, Canada
关键词
D O I
10.1088/0268-1242/22/4/020
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The use of an InP epitaxial layer grown at low temperatures before the growth of a step-graded InAsP metamorphic buffer has been shown to provide a large improvement in the crystal quality of the final metamorphic layer. The improvement is evidenced by over an order of magnitude increase in photoluminescence intensity as well as a large reduction of the mosaic spread and the overall tilt of the relaxed layers.
引用
收藏
页码:408 / 412
页数:5
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