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X-ray photoelectron diffraction study of ultrathin PbTiO3 films

Despont, L. ; Lichtensteiger, C. ; Clerc, F. ; Garnier, M. G. ; Garcia de Abajo, F.J. ; Van Hove, M. A. ; Triscone, J.-M ; Aebi, P.

In: The European Physical Journal B - Condensed Matter and Complex Systems, 2006, vol. 49, no. 2, p. 141-146

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    Titre
    • X-ray photoelectron diffraction study of ultrathin PbTiO3 films
    Auteur
    • Despont, L.. Institut de Physique, Université de Neuchâtel, Rue A.-L. Breguet 1, 2000, Neuchâtel, Switzerland
    • Lichtensteiger, C.. DPMC, Université de Genève, 24 Quai Ernest-Ansermet, 1211, Genève, Switzerland
    • Clerc, F.. Institut de Physique, Université de Neuchâtel, Rue A.-L. Breguet 1, 2000, Neuchâtel, Switzerland
    • Garnier, M. G.. Institut de Physique, Université de Neuchâtel, Rue A.-L. Breguet 1, 2000, Neuchâtel, Switzerland
    • Garcia de Abajo, F.J.. Centro Mixto CSIC-UPV/EHU, 20080, San Sebastián, Spain
    • Van Hove, M. A.. Department of Physics and Materials Science, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong
    • Triscone, J.-M. DPMC, Université de Genève, 24 Quai Ernest-Ansermet, 1211, Genève, Switzerland
    • Aebi, P.. Institut de Physique, Université de Neuchâtel, Rue A.-L. Breguet 1, 2000, Neuchâtel, Switzerland
    Type de document
    • Postprint
    Langue
    • Inglese
    Publié dans
    • The European Physical Journal B - Condensed Matter and Complex Systems, 2006, vol. 49, no. 2, p. 141-146. EDP Sciences
    Autre version électronique
    Classification
    • Physique
    Identifiant OAI-PMH
    • oai:doc.rero.ch:311872
    Summary
    Abstract.: Full hemispherical X-ray photoelectron diffraction (XPD) experiments have been performed to investigate at the atomic level ultrathin epitaxial c-axis oriented PbTiO3 (PTO) films grown on Nb-doped SrTiO3 substrates. Comparison between experiment and theory allows us to identify a preferential ferroelectric polarization state in a 60 Å -thick PTO film. Multiple scattering theory based on a cluster-model [ Phys. Rev. B $\textbf{63}$ , 075404 (2001)] is used to simulate the experiments