An Ideal Surface Reveals How Active It Is and Why It Degrades: SrTi <sub>0.5</sub> Fe <sub>0.5</sub> O <sub>3−δ</sub> Model Thin Film with Atomically Flat Terraces─A Case Study

H Hyunseung Kim (Research Institute of Advanced Materials) J Jiapeng Liu (School of Advanced Energy) K Kyuseon Jang (Department of Materials Science and Engineering) B Bonjae Koo (School of Chemistry and Energy) J Jun Kyu Kim (Department of Materials Science and Engineering) J Jongsu Seo (Korea Institute of Energy Research) C Chanwon Jung (Department of Materials Science and Engineering) P Pyuck-Pa Choi (Department of Materials Science and Engineering) F Francesco Ciucci (Chair of Electrode Design for Electrochemical Energy Systems) W WooChul Jung (Research Institute of Advanced Materials)

Article Details

Volume / Issue Vol. 148, Issue 2
Published January 21, 2026
Pages 2330-2341
ISSN 0002-7863
Publisher American Chemical Society

Journal Info

Journal of the American Chemical Society

American Chemical Society

ISSN: 0002-7863 Physical Sciences

Authors (10)

H

Hyunseung Kim

Research Institute of Advanced Materials

J

Jiapeng Liu

School of Advanced Energy

K

Kyuseon Jang

Department of Materials Science and Engineering

B

Bonjae Koo

School of Chemistry and Energy

J

Jun Kyu Kim

Department of Materials Science and Engineering

J

Jongsu Seo

Korea Institute of Energy Research

C

Chanwon Jung

Department of Materials Science and Engineering

P

Pyuck-Pa Choi

Department of Materials Science and Engineering

F

Francesco Ciucci

Chair of Electrode Design for Electrochemical Energy Systems

W

WooChul Jung

Research Institute of Advanced Materials