TITLE

Effect of dc bias on the Curie–Weiss exponent in 0.76Pb(Mg1/3Nb2/3)O3–0.24PbTiO3 ferroelectric single crystal

AUTHOR(S)
Lu, S. G.; Xu, Z. K.; Chen, Haydn; Zhao, X. Y.; Luo, H. S.; Wang, J.; Chan, H. L. W.; Choy, C. L.
PUB. DATE
April 2005
SOURCE
Applied Physics Letters;4/4/2005, Vol. 86 Issue 14, p142905
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Permittivity versus temperature characteristics and Curie–Weiss exponent (CWE) γ in the universal Curie–Weiss law [[variant_greek_epsilon]-1=[variant_greek_epsilon]m-1[1+(T-Tc)γ/(2δ2)](1≤γ≤2)] as a function of dc bias field were obtained for <001>, <011>, and <111> oriented 0.76Pb(Mg1/3Nb2/3)O3–0.24PbTiO3 single crystals. Results indicated that γ is a function of dc bias field and three different oriented crystals show slight different γ values but the similar dc field dependence.
ACCESSION #
16669581

 

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