Issue 39, 2011
From the journal:

Journal of Materials Chemistry

The structure of two new non-centrosymmetric phases of oxygen deficient bismuth manganite

A. S. Eggeman,*a   A. Sundaresan,b   C. N. R. Raob  and  P. A. Midgley*a  

* Corresponding authors

a Department of Materials Science and Metallurgy, University of Cambridge, Cambridge, UK
E-mail: ase25@cam.ac.uk, pam33@cam.ac.uk

b Jawarhalal Nehru Centre for Advanced Scientific Research, Bangalore, India

Abstract

The structure of two new phases in the bismuth manganite system are reported. The phases were determined by electron diffraction studies of two oxygen-deficient bulk samples. The first phase, a minority component of bulk BiMnO2.94 forms a n = 2 Ruddlesden-Popper phase with space group Cmc21. The second phase, from bulk BiMnO2.99, is an orthorhombic structure with space groupPmn21 and a unit cell approximately equal to Image ID:c1jm12840j-t1.gif times the parent perovskite cell. Importantly both phases are non-centrosymmetric and offer further potential for multiferroic studies.

Graphical abstract: The structure of two new non-centrosymmetric phases of oxygen deficient bismuth manganite

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Article information

DOI
https://doi.org/10.1039/C1JM12840J
Article type
Paper
Submitted
20 Jun 2011
Accepted
04 Aug 2011
First published
01 Sep 2011

J. Mater. Chem., 2011,21, 15417-15421

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The structure of two new non-centrosymmetric phases of oxygen deficient bismuth manganite

A. S. Eggeman, A. Sundaresan, C. N. R. Rao and P. A. Midgley, J. Mater. Chem., 2011, 21, 15417 DOI: 10.1039/C1JM12840J

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