Properties of epitaxial, (001)- and (110)-oriented (PbMg1/3Nb2/3O3)2/3-(PbTiO3)1/3 films on silicon described by polarization rotation

Epitaxial (PbMg 1/3 Nb 2/3 O 3 ) 2/3 -(PbTiO 3 ) 1/3 (PMN-PT) films with different out-of-plane orientations were prepared using a CeO 2 /yttria stabilized ZrO 2 bilayer buffer and symmetric SrRuO 3 electrodes on silicon substrates by pulsed laser deposition. The orientation of the SrRuO 3 bottom el...

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Published inScience and technology of advanced materials Vol. 17; no. 1; pp. 45 - 57
Main Authors Boota, Muhammad, Houwman, Evert P., Dekkers, Matthijn, Nguyen, Minh D., Vergeer, Kurt H., Lanzara, Giulia, Koster, Gertjan, Rijnders, Guus
Format Journal Article
LanguageEnglish
Published United States Taylor & Francis 2016
Taylor & Francis Ltd
Taylor & Francis Group
Subjects
Cerium oxides
Dielectric properties
Electrode polarization
Electrodes
epitaxy
Ferroelectric materials
Ferroelectricity
Lead titanates
Optical, Magnetic and Electronic Device Materials
Orientation
orientation control
Piezoelectricity
PMN-PT
Pulsed laser deposition
Pulsed lasers
Rotation
Shearing
Silicon substrates
thin film
Unit cell
Yttrium oxide
Zirconium dioxide
piezoelectricity
PMN-PT
pulsed laser deposition
orientation control
thin film
epitaxy
ferroelectricity
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Summary:Epitaxial (PbMg 1/3 Nb 2/3 O 3 ) 2/3 -(PbTiO 3 ) 1/3 (PMN-PT) films with different out-of-plane orientations were prepared using a CeO 2 /yttria stabilized ZrO 2 bilayer buffer and symmetric SrRuO 3 electrodes on silicon substrates by pulsed laser deposition. The orientation of the SrRuO 3 bottom electrode, either (110) or (001), was controlled by the deposition conditions and the subsequent PMN-PT layer followed the orientation of the bottom electrode. The ferroelectric, dielectric and piezoelectric properties of the (SrRuO 3 /PMN-PT/SrRuO 3 ) ferroelectric capacitors exhibit orientation dependence. The properties of the films are explained in terms of a model based on polarization rotation. At low applied fields domain switching dominates the polarization change. The model indicates that polarization rotation is easier in the (110) film, which is ascribed to a smaller effect of the clamping on the shearing of the pseudo-cubic unit cell compared to the (001) case.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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content type line 23
ISSN:1468-6996
1878-5514
DOI:10.1080/14686996.2016.1140306