Anisotropic suppression of octahedral breathing distortion with the fully strained BaBiO3/BaCeO3 heterointerface
Source abstract
Abstract
While the physiochemical effects of octahedral tilting and rotating distortions have been studied extensively, octahedral breathing distortion (OBD) at heterointerfaces has rarely been explored. Here, we investigated OBD in fully strained BaBiO3 (BBO) epitaxial films by making a new type of oxide heterointerface with non-breathing BaCeO3 epitaxial films. The integration of first-principles calculations with experimental observations of optical spectroscopy revealed that the oxygen displacement modes in BBO became disordered within six unit cells at the heterointerface and the surface. Controlling OBD in perovskite oxide thin films provides a means to exploit emerging material properties.
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Research context
OpenAlex topics: Ferroelectric and Piezoelectric Materials · Multiferroics and related materials · Magnetic and transport properties of perovskites and related materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Center for Correlated Electron Systems, Institute for Basic Science (IBS) 1 , Seoul 08826, South Korea
Department of Physics and Astronomy, Seoul National University (SNU) 2 , Seoul 08826, South Korea
Department of Physics, University of Ulsan 3 , Ulsan 44610, South Korea
Department of Emerging Materials Science, Daegu Gyeongbuk Institute of Science and Technology 4 , Daegu 42988, South Korea
Funding
Basic Science Research Programs · DGIST start-up fund
References (44)
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