Oxygen-induced surface reconstruction of SrRuO3 and its effect on the BaTiO3 interface

Junsoo Shin, Albina Y. Borisevich, Vincent Meunier, Jing Zhou, E. Ward Plummer, Sergei V. Kalinin, Arthur P. Baddorf

Research output: Contribution to journalArticlepeer-review

40 Scopus citations


Atomically engineered oxide multilayers and superlattices display unique properties responsive to the electronic and atomic structures of the interfaces. We have followed the growth of ferroelectric BaTiO3 on SrRuO 3 electrode with in situ atomic scale analysis of the surface structure at each stage. An oxygen-induced surface reconstruction of SrRuO 3 leads to formation of SrO rows spaced at twice the bulk periodicity. This reconstruction modifies the structure of the first BaTiO 3 layers grown subsequently, including intermixing observed with cross-section spectroscopy. These observations reveal that this common oxide interface is much more interesting than previously reported and provide a paradigm for oxygen engineering of oxide structure at an interface.

Original languageEnglish (US)
Pages (from-to)4190-4196
Number of pages7
JournalACS nano
Issue number7
StatePublished - Jul 27 2010

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • General Engineering
  • General Physics and Astronomy


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