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Switching kinetics of a relaxor ferroelectric Sr 0.75 Ba 0.25 Nb 2 O 6 observed by the second harmonic generation method
Author(s) -
Volk Tatyana,
Isakov Dmitry,
Belsley Michael Scott,
Ivleva Lyudmila
Publication year - 2009
Publication title -
physica status solidi (a)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.532
H-Index - 104
eISSN - 1862-6319
pISSN - 1862-6300
DOI - 10.1002/pssa.200824371
Subject(s) - strontium barium niobate , ferroelectricity , polarization (electrochemistry) , strontium , kinetics , materials science , kinetic energy , second harmonic generation , barium , work (physics) , condensed matter physics , analytical chemistry (journal) , mineralogy , optoelectronics , optics , dielectric , thermodynamics , chemistry , physics , laser , organic chemistry , chromatography , quantum mechanics , metallurgy
Abstract In this work we present a study of the ferroelectric switching kinetic process in strontium–barium niobate (SBN). The kinetics of polarization deduced from the dynamics of the diffuse second harmonic generation is in good qualitative agreement with thekinetics observed by more traditional polarization methods. Our work highlights the specific characteristics of polarization reversal in SBN, which is fundamentally different from that which occurs in model ferroelectrics. The presented optical measurements of the polarization processes provide several experimental advantages over traditional electrical measurements. (© 2009 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)