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Long-range Effect on the Curie Temperature of Ferroelectric Films

Authors
  • Yao, Dong-Lai
  • Wu, Yin-Zhong
  • Li, Zhen-Ya
Type
Preprint
Publication Date
Dec 27, 2001
Submission Date
Dec 27, 2001
Identifiers
DOI: 10.1002/1521-3951(200205)231:1<3::AID-PSSB3>3.0.CO;2-O
arXiv ID: cond-mat/0112469
Source
arXiv
License
Unknown
External links

Abstract

In this paper, the Curie temperature of ferroelectric films is studied using spin-1/2 transverse Ising model with long-range interaction within the framework of the effective-field theory. The dependence of the Curie temperature on the thickness of the film, the surface interaction and the transverse field were investigated. It is assumed that the long-range interaction decays with the distance between the pseudo-spins as a power law. The dependence of the Curie temperature and the critical transverse field on the long-range exponent are obtained.

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