Paper Title:
TEM Observation on Ferroelectric Domain Structures of PbTiO3 Epitaxial Films
  Abstract

The ferroelectric domain structure of PbTiO3 (PTO) films was investigated by using transmission electron microscopy (TEM). In the film with PTO/SrTiO3 (STO) structure, 180º domains are formed near the SrTiO3 (STO) substrate and the domain length of 180º domains is 100 nm. However, 180º domains are not formed in the film with Pt/PTO/SrRuO3 (SRO)/STO structure. These results show that 180º domains are formed in order to minimize depolarizing field energy, and that the domain length of 180º domains is determined by the competition among the depolarizing field energy, domain wall energy, Coulomb interaction and elastic interaction.

  Info
Periodical
Edited by
Chazono Hirokazu, Fujihara Shinobu, Katayama Keiichi, Masumoto Hiroshi, Mizoguchi Teruyasu, Osada Minoru, Shinozaki Kazuo and Takeda Hiroaki
Pages
179-182
DOI
10.4028/www.scientific.net/KEM.485.179
Citation
K. Aoyagi, T. Kiguchi, Y. Ehara, H. Funakubo, T. J. Konno, "TEM Observation on Ferroelectric Domain Structures of PbTiO3 Epitaxial Films", Key Engineering Materials, Vol. 485, pp. 179-182, 2011
Online since
July 2011
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$35.00
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