Squeezing electrons out of 6s2 lone-pairs in perovskite-type oxides

Chun-Hai Wang; Paula Kayser; Brendan J. Kennedy; Helen E. Maynard-Casely; Qinfen Gu; Chris D. Ling

doi:10.1039/C8CC09608B

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Squeezing electrons out of 6s² lone-pairs in perovskite-type oxides†

Chun-Hai Wang,‡^a Paula Kayser,

§^a Brendan J. Kennedy,

^a Helen E. Maynard-Casely,

^b Qinfen Gu

^c and Chris D. Ling

*^a

Author affiliations

* Corresponding authors

^a School of Chemistry, The University of Sydney, Sydney 2006, Australia
E-mail: chris.ling@sydney.edu.au

^b Australian Centre for Neutron Scattering, ANSTO, Menai 2234, Australia

^c Australian Synchrotron, 800 Blackburn Road, Clayton 3168, Australia

Abstract

Having identified a set of conditions that predispose a solid-state ionic compound to a pressure-induced valence transition, we investigated a series of Bi(III) perovskite oxides. We found such a transition below 10 GPa in every case, including one that we synthesised for the first time (double perovskite-type Ba₂BiOsO₆).

This article is part of the themed collection: Perovskites

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Article information

DOI: https://doi.org/10.1039/C8CC09608B
Article type: Communication
Submitted: 05 Dec 2018
Accepted: 11 Mar 2019
First published: 11 Mar 2019

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Chem. Commun., 2019,55, 3887-3890

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Squeezing electrons out of 6s² lone-pairs in perovskite-type oxides

C. Wang, P. Kayser, B. J. Kennedy, H. E. Maynard-Casely, Q. Gu and C. D. Ling, Chem. Commun., 2019, 55, 3887 DOI: 10.1039/C8CC09608B

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