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Original Articles

Structural studies of cation disorder in the ferroelectric oxide SrBi2Ta2O9

, , , &
Pages 27-32 | Received 01 Apr 2000, Published online: 09 Mar 2011
 

Abstract

The crystal structure of a bulk sample of the ferroelectric oxide SrBi2Ta2O9 refined using a combination of synchrotron and neutron powder diffraction data is reported. At room temperature SrBi2Ta2O9 has an orthorhombic structure with space group A21am. The bulk sample of SrBi2Ta2O9 studied was quenched from 600°C and was found to exhibit small, but significant amounts of disorder between the Sr and Bi cations.

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