Anisotropic suppression of octahedral breathing distortion with the fully strained BaBiO3/BaCeO3 heterointerface

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Title
Anisotropic suppression of octahedral breathing distortion with the fully strained BaBiO3/BaCeO3 heterointerface
Author(s)
Han Gyeol Lee; Rokyeon Kim; Jinkwon Kim; Minu Kim; Ttae Heon Kim; Shinbuhm Lee; Tae Won Noh
Publication Date
2018-01
Journal
APL Materials, v.6, no.1, pp.1 - 6
Publisher
AMER INST PHYSICS
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. © 2018 Author(s)
URI
https://pr.ibs.re.kr/handle/8788114/4720
ISSN
2166-532X
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > Journal Papers (저널논문)
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