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Journal of Materials Science

, Volume 41, Issue 14, pp 4434–4439 | Cite as

HRTEM investigation of the epitaxial growth of scandate/titanate multilayers

  • Markus BoeseEmail author
  • Tassilo Heeg
  • Jürgen Schubert
  • Martina Luysberg
Article

Abstract

Despite their potential application in strain-engineered layer structures, the epitaxial growth of rare earth scandate films on cubic perovskite substrates is not fully understood to date. Here we report on the epitaxy of the orthorhombic GdScO3 and DyScO3 on (001) BaTiO3 and SrTiO3 thin films. In particular, the orientation relationship between the orthorhombic epilayer and the cubic substrate is examined by aberration corrected high-resolution transmission electron microscopy. For all cases investigated, the long axis of the orthorhombic unit cell was found to be perpendicular to the growth direction.

Keywords

Perovskite BaTiO3 Orientation Relationship Orientation Variant Residual Aberration 

Notes

Acknowledgements

Fruitful discussions with L. Houben and C. L. Jia are gratefully acknowledged. We are thankful to D. Meertens for support with the specimen preparation. T.H. gratefully acknowledges financial support of the Deutsche Forschungsgemeinschaft, Graduiertenkolleg 549 ‘Noncentrosymetric Crystals’.

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Copyright information

© Springer Science+Business Media, LLC 2006

Authors and Affiliations

  • Markus Boese
    • 1
    Email author
  • Tassilo Heeg
    • 2
  • Jürgen Schubert
    • 2
  • Martina Luysberg
    • 1
  1. 1.Institut für Festkörperforschung and Ernst Ruska-Centrum für Mikroskopie und Spektroskopie mit ElektronenForschungszentrum JülichJülichGermany
  2. 2.Institut für Schichten und GrenzflächenForschungszentrum JülichJülichGermany

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