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research article
Crack-free highly reflective AlInN/AlGaN bragg mirrors for UV applications
We report the growth of highly reflective distributed Bragg reflectors (DBRs) in the UV region using the Al0.85In0.15N/Al0.2Ga0.8N lattice-matched system. The DBRs were deposited on nearly strain-free Al0.2Ga0.8N templates to avoid strain-induced structural degradations. The appearance of cracks was then completely suppressed. The DBRs exhibit a reflectivity higher than 99% at a wavelength as short as similar to 340 nm and a stop band width of 215 meV (20 nm). (c) 2006 American Institute of Physics.
Type
research article
Web of Science ID
WOS:000235136700008
Authors
Feltin, E.
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Christmann, G.
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Laugt, M.
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Ilegems, M.
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Publication date
2006
Published in
Volume
88
Issue
5
Article Number
1108
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
October 5, 2010
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