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Spatial distribution of relaxation behavior on the surface of a ferroelectric relaxor in the ergodic phase
Author(s)
Date Issued
2009-10-05
Date Available
2013-12-13T10:28:19Z
Abstract
Spatial homogeneity of polarization relaxation behavior on the surface of 0.9Pb(Mg1/3Nb2/3)O-3-0.1PbTiO(3) crystals in the ergodic relaxor phase is studied using three-dimensional time-resolved spectroscopic piezoresponse force microscopy. The number of statistically independent components in the spectroscopic image is determined using principal component analysis. In the studied measurement time interval, the spectra generally exhibit logarithmic behavior with spatially varying slope and offset, and the statistical distribution of these parameters are studied. The data illustrate the presence of mesoscopic heterogeneity in the dynamics of the relaxation behavior that can be interpreted as spatial variation in local Vogel-Fulcher temperatures.
Sponsorship
Other funder
Other Sponsorship
Center for Nanoscale Materials Sciences at the Oak Ridge National Laboratory, Division of Scientific User Facilities, Office of Basic Energy Sciences, U.S. Department of Energy and was a part of the CNMS User Program (Grant No. CNMS2007-085). This work is also supported by the Office of Naval Research (Grant No. N00014-06-1-0166). and the support of UCD Research.
Type of Material
Journal Article
Publisher
AIP Publishing
Journal
Applied Physics Letters
Volume
95
Issue
14
Start Page
142902
Copyright (Published Version)
2009 American Institute of Physics
Language
English
Status of Item
Peer reviewed
This item is made available under a Creative Commons License
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Kalinin_et_al_Appl_Phys_Lett_2009_Relaxation_Behavior.pdf
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