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Domain dynamics in stoichiometric lithium tantalate revealed by wet etching and on-line second harmonic generation
KTH, School of Engineering Sciences (SCI), Applied Physics, Laser Physics.
KTH, School of Engineering Sciences (SCI), Applied Physics, Laser Physics.
KTH, School of Engineering Sciences (SCI), Applied Physics, Laser Physics.
KTH, School of Engineering Sciences (SCI), Applied Physics, Laser Physics.
2017 (English)In: Journal of Applied Physics, ISSN 0021-8979, E-ISSN 1089-7550, Vol. 121, no 18, 184103Article in journal (Refereed) Published
Abstract [en]

The effect of chemical etching on the stability of domains in periodically poled stoichiometric lithium tantalate is studied by on-line second harmonic generation and microscopy. It is found that wet etching directly after poling leads to domain-wall movement, resulting in back-switching or domain merging. Head-to-head domains tend to backswitch, while tail-to-tail domains merge. For samples where the domain structure stabilized for longer time, no domain motion is observed when etched.

Place, publisher, year, edition, pages
American Institute of Physics (AIP), 2017. Vol. 121, no 18, 184103
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-208816DOI: 10.1063/1.4982907ISI: 000401364700008Scopus ID: 2-s2.0-85018931797OAI: oai:DiVA.org:kth-208816DiVA: diva2:1108803
Note

QC 20170613

Available from: 2017-06-13 Created: 2017-06-13 Last updated: 2017-06-13Bibliographically approved

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