Electric field poling of lithium niobate crystals after proton-exchanged channel waveguide fabrication

A. N. Smirnova, S. S. Mushinskiy, I. S. Baturin, I. S. Azanova, D. I. Shevtsov, A. R. Akhmatkhanov, A. V. Ievlev, V. Ya Shur

Research output: Contribution to journalConference articlepeer-review

4 Scopus citations

Abstract

An electric field poling and domain evolution in congruent lithium niobate wafers with α phase proton exchanged channel waveguides were studied experimentally. A piezoresponse force microscopy and the study of an etching rate showed a presence of a spontaneous polarization in the waveguide region and an ability to create tailored domain structures inside the proton exchanged channel waveguides. It was shown by the in situ visualization of the domain evolution that the proton exchanged channel waveguide acted as a region with an increased value of a threshold field for domain growth.

Original languageEnglish
Pages (from-to)9-16
Number of pages8
JournalFerroelectrics
Volume441
Issue number1
DOIs
StatePublished - 2012
Externally publishedYes
Event11th International Symposium on Ferroic Domains and Micro- to Nanoscopic Structures, ISFD 2012, and 11th Russia/CIS/Baltic/Japan Symposium on Ferroelectricity, RCBJSF 2012 - Ekaterinburg, Russian Federation
Duration: Aug 20 2012Aug 24 2012

Funding

We acknowledge the support of Russian Government Program for Development of Co-operation between the Higher School and Organizations Realizing Integrated Projects in High-Tech (project No. 13.G25.31.0004), RFBR (10-02-00627-а, 11-02-91066-CNRS-а), RFBR and Government of Sverd lovsk region (Grant 10-02-96042-r-Ural-а), Ministry of Education and Science (contract 16.552 11 7020), and the Ural Federal University development program (financial support of young scientists). The equipment of the Ural Center for Shared Use “Modern Nanotechnology”, Institute of Natural Sciences, Ural Federal University has been used.

Keywords

  • Electric-field poling
  • Lithium niobate
  • Proton exchange channel waveguide

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