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Structure of (001)-, (110)-, and (111)-oriented Pb(Fe1/2Nb1/2)O3 epitaxial thin films on SrRuO3-buffered SrTiO3 substrates

Published online by Cambridge University Press:  31 January 2011

Li Yan ,
Jiefang Li  and
D. Viehland
Li Yan*
Affiliation:
Department of Materials Science and Engineering, Virginia Tech, Blacksburg, Virginia 24061
Jiefang Li
Affiliation:
Department of Materials Science and Engineering, Virginia Tech, Blacksburg, Virginia 24061
D. Viehland
Affiliation:
Department of Materials Science and Engineering, Virginia Tech, Blacksburg, Virginia 24061
*
a)Address all correspondence to this author. e-mail: lyan@vt.edu
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Abstract

We have studied the lattice structure of variously oriented lead iron niobate (PFN) thin films with thicknesses of 50 < t < 500 nm that were deposited by pulsed laser deposition (PLD). We have identified that (001)-, (110)-, and (111)-oriented PFN thin films have tetragonal, orthorhombic, and rhombohedral phases at room temperature, respectively. The change in phase stability, when deposited on substrates of different orientations, is discussed with respect to the influence of epitaxial stress.

Keywords

FerroelectricEpitaxyFilm

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Type
Articles
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Journal of Materials Research , Volume 23 , Issue 3 , March 2008 , pp. 663 - 670
Copyright
Copyright © Materials Research Society 2008

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References

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