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Phase Transitions
A Multinational Journal
Volume 84, 2011 - Issue 5-6: Special issue dedicated to Professor A.M. Glazer “Phase transitions in functional ABO3 perovskites” Micro-Symposium at the E-MRS 2010 Fall Meeting Warsaw, Poland
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Original Articles

Domain structure and Raman modes in PbTiO3

A. Bartasyte Institut Jean Lamour, CNRS (UMR 7198)-Nancy University, Boulevard des Aiguillettes, 54506 Vandoeuvre-lès-Nancy Cedex, France; Laboratoire des Matériaux et du Génie Physique, Minatec, CNRS (UMR 5628), Grenoble Institute of Technology, 3 parvis Louis Néel, 38016 Grenoble, FranceCorrespondence[email protected]
,
S. Margueron Laboratoire Matériaux Optiques, Photonique et Systèmes, EA 4423, University of Metz and Supélec, 2 rue E. Belin, 57070 Metz, France
,
J. Santiso Centre d’Investigació en Nanociència i Nanotecnologia, CIN2 (CSIC/ICN), Campus de la UAB, Bellaterra, Barcelona 08193, Spain
,
J. Hlinka Institute of Physics AS CR, Prague 8, Czech Republic
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E. Simon Institute of Physics AS CR, Prague 8, Czech Republic
,
I. Gregora Institute of Physics AS CR, Prague 8, Czech Republic
,
O. Chaix-Pluchery Laboratoire des Matériaux et du Génie Physique, Minatec, CNRS (UMR 5628), Grenoble Institute of Technology, 3 parvis Louis Néel, 38016 Grenoble, France
,
J. Kreisel Laboratoire des Matériaux et du Génie Physique, Minatec, CNRS (UMR 5628), Grenoble Institute of Technology, 3 parvis Louis Néel, 38016 Grenoble, France
,
C. Jimenez Laboratoire des Matériaux et du Génie Physique, Minatec, CNRS (UMR 5628), Grenoble Institute of Technology, 3 parvis Louis Néel, 38016 Grenoble, France
,
F. Weiss Laboratoire des Matériaux et du Génie Physique, Minatec, CNRS (UMR 5628), Grenoble Institute of Technology, 3 parvis Louis Néel, 38016 Grenoble, France
,
V. Kubilius Department of General and Inorganic Chemistry, University of Vilnius, Naugarduko 24, LT-03225 Vilnius, Lithuania
&
A. Abrutis Department of General and Inorganic Chemistry, University of Vilnius, Naugarduko 24, LT-03225 Vilnius, Lithuania
 show all
Pages 509-520 | Received 17 Nov 2010, Accepted 05 Jan 2011, Published online: 18 Mar 2011
 
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Abstract

A comparative analysis of Raman spectra from poly-domain PbTiO3 thin films with poly-domain and single-domain PbTiO3 crystals is presented. Raman spectroscopy reveals that the profiles of A1-symmetry modes can be significantly modified by the existence of the domain structure. The possible origins of these complex profiles of the A1(LO) and A1(TO) modes are discussed. It is emphasized that analysis of stresses, domain structure and phase transitions in the PbTiO3 thin films has to be based on the E(TO) modes presenting profiles that are not affected by the domain structure.

Acknowledgements

We thank K. Wojcik for the PbTiO3 crystal growth. This study has been financially supported by the European network of excellence FAME, EGIDE, Academy of Sciences of the Czech Republic (project KAN301370701) and Czech Science Foundation (project GACR P204/10/0616).

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