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 language | English |
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Article number | AW1K.3 |
Journal | Optics InfoBase Conference Papers |
State | Published - 2016 |
Event | CLEO: Applications and Technology, CLEO AT 2016 - San Jose, United States Duration: 05 06 2016 → 10 06 2016 |
Bibliographical note
Publisher Copyright:© OSA 2016.