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Strain-relaxed structure in (001)/(100)-oriented epitaxial Pb(Zr,Ti)O3 films grown on (100) SrTiO3 substrates by metal organic chemical vapor deposition.

Authors :
Nakaki, Hiroshi
Kim, Yong Kwan
Yokoyama, Shintaro
Ikariyama, Rikyu
Funakubo, Hiroshi
Nishida, Ken
Saito, Keisuke
Morioka, Hitoshi
Sakata, Osami
Han, Hee
Baik, Sunggi
Source :
Journal of Applied Physics. Jan2009, Vol. 105 Issue 1, p014107. 5p. 1 Diagram, 6 Graphs.
Publication Year :
2009

Abstract

Epitaxial (100)/(001)-oriented tetragonal Pb(Zr,Ti)O3 films above 1 μm thick were grown on (100)SrTO3 substrates by pulsed metal organic chemical vapor deposition, and the films with Zr/(Zr+Ti) ratios up to 0.43 were found to have a strain-relaxed domain structure. The domain structure determined by the volume fraction of (001) orientation (mainly decided by the thermal strain above the Curie temperature) and the lattice parameters dependent on the Zr/(Zr+Ti) ratio are explained by a geometrical model consistent with previous results for PbTiO3 films [J. Appl. Phys. 104, 064121 (2008)]. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
00218979
Volume :
105
Issue :
1
Database :
Academic Search Index
Journal :
Journal of Applied Physics
Publication Type :
Academic Journal
Accession number :
36178443
Full Text :
https://doi.org/10.1063/1.3056138