Local-electrostatics-induced oxygen octahedral distortion in perovskite oxides and insight into the structure of Ruddlesden–Popper phases

Youngjae Hong; Pilgyu Byeon; Jumi Bak; Yoon Heo; Hye-Sung Kim; Hyung Bin Bae; Sung-Yoon Chung

doi:10.1038/s41467-021-25889-6

Nature Communications (Sep 2021)

Local-electrostatics-induced oxygen octahedral distortion in perovskite oxides and insight into the structure of Ruddlesden–Popper phases

Youngjae Hong,
Pilgyu Byeon,
Jumi Bak,
Yoon Heo,
Hye-Sung Kim,
Hyung Bin Bae,
Sung-Yoon Chung

Affiliations

Youngjae Hong: Department of Materials Science and Engineering and KAIST Institute for the Nanocentury, Korea Advanced Institute of Science and Technology
Pilgyu Byeon: Department of Materials Science and Engineering and KAIST Institute for the Nanocentury, Korea Advanced Institute of Science and Technology
Jumi Bak: Department of Materials Science and Engineering and KAIST Institute for the Nanocentury, Korea Advanced Institute of Science and Technology
Yoon Heo: Department of Materials Science and Engineering and KAIST Institute for the Nanocentury, Korea Advanced Institute of Science and Technology
Hye-Sung Kim: Department of Materials Science and Engineering and KAIST Institute for the Nanocentury, Korea Advanced Institute of Science and Technology
Hyung Bin Bae: KAIST Analysis Center, Korea Advanced Institute of Science and Technology
Sung-Yoon Chung: Department of Materials Science and Engineering and KAIST Institute for the Nanocentury, Korea Advanced Institute of Science and Technology

DOI: https://doi.org/10.1038/s41467-021-25889-6
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 10

Abstract

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The authors observe two-dimensional shear faults in five different perovskite-type materials and detailed structures of more than 80 oxides and halides to elucidate an electrostatic origin for Jahn–Teller-type tetragonal distortion of oxygen octahedra.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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