Woodward, David I., Wise, P. L., Lee, W. E. and Reaney, Ian M.. (2006) Space group symmetry of (CaxSr1−x)TiO3 determined using electron diffraction. Journal of Physics: Condensed Matter, Vol.18 (No.8). pp. 2401-2408. ISSN 0953-8984

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Abstract

An electron diffraction study performed on thin sections of Cax Sr1−x TiO3 ceramics with compositions x = 0.2 and 0.5 has revealed diffraction patterns that are inconsistent with currently accepted space group symmetries. Here, the data are presented and alternative models suggested. It is proposed that Cax Sr1−x TiO3 has the space group C2/m at x = 0.2 and the space group P21/m across the range 0.2 < x < 0.6. The sequence of phases across the solid solution is therefore proposed to be P m3¯m ⇒ I 4/m cm ⇒ C2/m ⇒ P21/m ⇒ P nm a x = 0 x < 0.2 x = 0.2 0.2 < x < 0.6 x > 0.6.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics Q Science > QD Chemistry T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:	Faculty of Science > Physics
Library of Congress Subject Headings (LCSH):	Electrons -- Diffraction, Electronic ceramics, Space groups, Condensed matter, Solutions, Solid
Journal or Publication Title:	Journal of Physics: Condensed Matter
Publisher:	Institute of Physics Publishing Ltd.
ISSN:	0953-8984
Date:	2006
Volume:	Vol.18
Number:	No.8
Page Range:	pp. 2401-2408
Identification Number:	10.1088/0953-8984/18/8/005
Status:	Peer Reviewed
URI:	http://wrap.warwick.ac.uk/id/eprint/36465

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