Issue 35, 2012
From the journal:

Dalton Transactions

Reduction and oxidation of SrCoO2.5 thin films at low temperatures

Noriya Ichikawa,*a   Monika Iwanowska,ab   Masanori Kawai,a   Christophe Calers,ab   Werner Paulusbd  and  Yuichi Shimakawaac  

* Corresponding authors

a Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
E-mail: nori@scl.kyoto-u.ac.jp
Fax: +81-774-38-3118
Tel: +81-774-38-3117

b MaMaSELF, Université de Rennes 1, Campus de Beaulieu, Bât 10B, F-35042 Rennes, France

c Japan Science and Technology Agency, CREST, Uji 611-0011, Japan

d Institut de Chimie Moléculaire et des Matériaux, Université de Montpellier, 2. Place Eugène Bataillon, Bat 15, F-34095 Montpellier, France

Abstract

Brownmillerite SrCoO2.5 (010) thin films synthesized by pulsed laser deposition became amorphous when reduced at low temperatures by CaH2, indicating that the infinite-layer structure with the square planar Co2+O4 configuration is unstable. Ferromagnetic and conducting perovskite SrCoO3 epitaxial thin films, on the other hand, were obtained topotactically at room temperature by oxidation with NaClO.

Graphical abstract: Reduction and oxidation of SrCoO2.5 thin films at low temperatures

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Article information

DOI
https://doi.org/10.1039/C2DT30317E
Article type
Communication
Submitted
13 Feb 2012
Accepted
03 May 2012
First published
03 May 2012

Dalton Trans., 2012,41, 10507-10510

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Reduction and oxidation of SrCoO2.5 thin films at low temperatures

N. Ichikawa, M. Iwanowska, M. Kawai, C. Calers, W. Paulus and Y. Shimakawa, Dalton Trans., 2012, 41, 10507 DOI: 10.1039/C2DT30317E

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