Cathodoluminescence studies of GaAs nano-wires grown on shallow-trench-patterned Si

Ling Lee*, Wen Chung Fan, Jui Tai Ku, Wen-Hao Chang, Wei-Kuo Chen, Wu-Ching Chou, Chih Hsin Ko, Cheng Hsien Wu, You Ru Lin, Clement H. Wann, Chao Wei Hsu, Yung Feng Chen, Yan Kuin Su

*此作品的通信作者

研究成果: Article同行評審

2 引文 斯高帕斯(Scopus)

摘要

The optical properties of GaAs nano-wires grown on shallow-trench-patterned Si(001) substrates were investigated by cathodoluminescence. The results showed that when the trench width ranges from 80 to 100 nm, the emission efficiency of GaAs can be enhanced and is stronger than that of a homogeneously grown epilayer. The suppression of non-radiative centers is attributed to the trapping of both threading dislocations and planar defects at the trench sidewalls. This approach demonstrates the feasibility of growing nano-scaled GaAs-based optoelectronic devices on Si substrates.

原文English
文章編號465701
頁(從 - 到)1-5
頁數5
期刊Nanotechnology
21
發行號46
DOIs
出版狀態Published - 19 11月 2010

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