GaN-Based Stress-Induced Bandgap Widening with Various Arrangements of Patterned Sapphire Substrates

Vin Cent Su, Po Hsun Chen, Yen Pu Chen, Ming Lun Lee, Yao Hong You, Zheng Hung Hung, Ta Cheng Hsu, Yu Yao Lin, Ray Ming Lin, Chieh Hsiung Kuan*

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

Abstract

By varying the arrangements of patterned sapphire substrates, the stress-induced bandgap widening of GaN-based epitaxial layers can be acquired. Photoluminescence and Raman results demonstrate a linear relationship of blue-shift with the increase of residual stress.

Original languageEnglish
Article numberAW1K.3
JournalOptics InfoBase Conference Papers
StatePublished - 2016
EventCLEO: Applications and Technology, CLEO AT 2016 - San Jose, United States
Duration: 05 06 201610 06 2016

Bibliographical note

Publisher Copyright:
© OSA 2016.

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