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research article
Non-180° domains in LiTaO3 thin films deposited by metal organic chemical vapor deposition
Epitaxial lithium tantalate (LiTaO3) thin films were grown on the hexagonal plane of sapphire substrates by metal organic chemical vapor deposition. Two crystallographic variants, related to each other by 180° rotation around the c axis, as well as non-180° domains were determined by transmission electron microscopy from cross-sectional samples of these films. A structural model for the non-180° domain is proposed and the possible formation mechanisms are discussed.
Type
research article
Web of Science ID
WOS:000269060600047
Authors
Publication date
2009
Published in
Volume
95
Issue
06
Article Number
062905
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
August 13, 2009
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