Affiliation:
1. Max-Planck-Institut für Metallforschung, Heisenbergstraße 3, D-70569 Stuttgart, Germany.
Abstract
Using high-resolution transmission electron microscopy, we obtained structure images of strontium titanate (SrTiO
3
) with a clearly resolved oxygen sublattice along different crystallographic directions in the bulklattice and for a Σ3 tilt grain boundary. Comparison with image simulations showed that the grain boundary contains oxygen vacancies. Measurements of atom displacements near the grain boundary revealed close correspondence with theoretical calculations.
Publisher
American Association for the Advancement of Science (AAAS)
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