Diffusive behavior of a surface layer in BaTiO3 crystals grown by Remeika method

Evgeniy Dul'kin, Michael Roth

Research output: Contribution to journalArticlepeer-review

Abstract

BaTiO3 crystals, grown by Remeika method, were studied by means of acoustic emission and dielectric response. It is established, that the phase transition in the surface layer occurs on 13°C below in comparing with the crystals bulk. It is observed, that the imaginary dielectric response of a crystal surface layer exhibits an essential smearing and slight frequency shift to higher temperatures. Reasons of such properties are discussed from a viewpoint of diffusive phase transition, taking place in the surface layer, enriched by K+ ions from KF flux.

Original languageAmerican English
Article number31301
JournalEPJ Applied Physics
Volume68
Issue number3
DOIs
StatePublished - 1 Dec 2014

Bibliographical note

Publisher Copyright:
© EDP Sciences 2014.

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