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

doi:10.1021/nn1008337

journal article·2010-07-27

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

ACS Nano· Volume 4· Issue 7

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Abstract

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 SrRuO3 electrode with in situ atomic scale analysis of the surface structure at each stage. An oxygen-induced surface reconstruction of SrRuO3 leads to formation of SrO rows spaced at twice the bulk periodicity. This reconstruction modifies the structure of the first BaTiO3 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.

Source: openalex_inverted_index · Quality: baseline

Research context

Electronic materials

OpenAlex topics: Electronic and Structural Properties of Oxides · Magnetic and transport properties of perovskites and related materials · Ferroelectric and Piezoelectric Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Physics and Astronomy, The University of Tennessee, Knoxville, Tennessee 37996

Materials Sciences and Technology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831

Computer Science and Mathematics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831

Department of Chemistry, University of Wyoming, Laramie, Wyoming 82071

Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803

Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831

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