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Browse Journals & Magazines > Applied Physics Letters ...> Volume:99 Issue:9 Help

Effects of volume evolution of static and dynamic polar nanoregions on the dielectric behavior of relaxors

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2 Author(s)
Shi, Y.P. ; Department of Mechanical Engineering, The University of Hong Kong, Hong Kong ; Soh, A.K.

Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.3632082 

Recent experiments revealed unusual dielectric behaviors of Pb(Mg1/3Nb2/3)O3 originated from polar nanoregions (PNRs). Thus, Pauli’s master equation is adopted to investigate the distinct dielectric responses, correlation strength, and volume evolutions of static and dynamic PNRs. Our findings have not only validated the percolation theory but also ascertained Lorentzian distribution of the rate of thermal change of PNR volume. Finally, based on Maxwell’s equation the observed dielectric deviations of bulk permittivity from Curie-Weiss law are attributed to the thermal effects on static volume fraction and polarization rotation.

Published in:
Applied Physics Letters  (Volume:99 ,  Issue: 9 )

Date of Publication: Aug 2011

Page(s):
092908 - 092908-3
ISSN :
0003-6951
Digital Object Identifier :
10.1063/1.3632082
Product Type:
Journals & Magazines
Date of Current Version :
26 December 2011
Issue Date :
Aug 2011

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