Co-L2,3 Edge Soft X-ray Absorption Spectroscopy of Topochemically Oxidized CaCoO3 Thin Films

Cédric Tassel; Wataru Yoshimune; Masaichiro Mizumaki; Yoji Kobayashi; Hiroshi Kageyama

doi:10.18957/rr.8.2.242

SPring-8/SACLA Research Report

Online ISSN : 2187-6886

Section A

Co-L_2,3 Edge Soft X-ray Absorption Spectroscopy of Topochemically Oxidized CaCoO₃ Thin Films

Cédric Tassel, Wataru Yoshimune, Masaichiro Mizumaki, Yoji Kobayashi, Hiroshi Kageyama

Author information

Keywords: Perovskite, Topochemistry, Cobalt, 2014B1369, BL27SU

JOURNAL OPEN ACCESS

2020 Volume 8 Issue 2 Pages 242-246

DOI https://doi.org/10.18957/rr.8.2.242

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Abstract

In this report, we present the characterization of CaCo^IVO₃ perovskite thin films prepared from the oxidation of CaCo^IIIO_2.5 brownmillerite films using a NaClO solution. The oxidation state and octahedral coordination of cobalt in CaCoO₃ is confirmed by comparing with that of SrCoO₃ via Co-L_2,3 edge soft X-ray absorption spectroscopy.

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