Article (Scientific journals)
Evolution of defect signatures at ferroelectric domain walls in Mg-doped LiNbO3
Nataf, Guillaume F.; Guennou, Mael; Haussmann, Alexander et al.
2016In Physica Status Solidi. Rapid Research Letters, 10 (3), p. 222-226
Peer reviewed
 

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Abstract :
[en] The domain structure of uniaxial ferroelectric lithium niobate single crystals is investigated using Raman spectroscopy mapping. The influence of doping with magnesium and poling at room temperature is studied by analysing frequency shifts at domain walls and their variations with dopant concentration and annealing conditions. It is shown that defects are stabilized at domain walls and that changes in the defect structures with Mg concentration can be probed by the shift of Raman modes. We show that the signatures of polar defects in the bulk and at the domain walls differ. (C) 2016 WILEY-VCH Verlag GmbH Co. KGaA, Weinheim
Disciplines :
Physics
Author, co-author :
Nataf, Guillaume F.
Guennou, Mael  ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit
Haussmann, Alexander
Barrett, Nick
Kreisel, Jens ;  University of Luxembourg > Rectorate
External co-authors :
yes
Language :
English
Title :
Evolution of defect signatures at ferroelectric domain walls in Mg-doped LiNbO3
Publication date :
2016
Journal title :
Physica Status Solidi. Rapid Research Letters
ISSN :
1862-6254
Volume :
10
Issue :
3
Pages :
222-226
Peer reviewed :
Peer reviewed
Focus Area :
Physics and Materials Science
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