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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.118  No.1380 (August) (2010)  >  pp.627-630

Journal of the Ceramic Society of Japan
<<Previous article Vol.118  No.1380 (August) (2010)   pp.627 - 630 Next article>>

Orientation control of (001) and (101) in epitaxial tetragonal Pb(Zr,Ti)O3 films with (100)/(001) and (110)/(101) mixture orientations

Satoru UTSUGI1), Takashi FUJISAWA1), Yoshitaka EHARA1), Tomoaki YAMADA1), Shintaro YASUI1), Mohamed-Tahar CHENTIR1), Hitoshi MORIOKA1)2), Takashi IIJIMA3) and Hiroshi FUNAKUBO1)
1) Department of Innovative and Engineered Materials, Tokyo Institute of Technology
2) Application Laboratory, Bruker AXS
3) Research Center for Hydrogen Industrial Use and Storage, National Institute of Advanced Industrial Science and Technology


  Epitaxial tetragonal PZT films with (100)/(001) and (110)/(101) and (111) orientations were grown on various kinds of single crystal substrates having different thermal expansion coefficient. Volume fractions of (001) and (101) orientations in respective (100)/(001)- and (110)/(101)-oriented films were almost linearly increased with increasing thermal strain of the films that was generated under the cooling process after the deposition from the growth temperature to the Curie temperature. Perfectly (001)- and (101)-oriented films were grown on (111) CaF2 substrates with large thermal expansion coefficient. Observed saturation polarization values linearly changed with the volume fractions of (100) and (101) orientations.


Keyword:
Orientation control, Epitaxial Pb(Zr,Ti)O3, Tetragonal symmetry

Received: April 26, 2010
Accepted: July 15, 2010 , Published online: August 01, 2010
Copyright (c) 2010 The Ceramic Society of Japan

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