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Model of cation ordering in A (B-x ' B1-x '')O-3 relaxors
KTH, Superseded Departments, Physics.ORCID iD: 0000-0002-2076-5911
2001 (English)In: Physical Review B Condensed Matter, ISSN 0163-1829, E-ISSN 1095-3795, Vol. 6305, no 5Article in journal (Refereed) Published
Abstract [en]

We have shown that the lattice-gas model with four repulsive pair interaction constants (corresponding to the four nearest coordination shells) on a simple cubic lattice is a sufficient model to describe the main types of cation ordering in relaxors. The phase diagram, obtained by the cluster variation method, shows the sequences of transitions between the phases 1:2 -->1:1 --> disordered and 1:2 --> disordered.

Place, publisher, year, edition, pages
2001. Vol. 6305, no 5
Keyword [en]
perovskites, disorder
URN: urn:nbn:se:kth:diva-20341ISI: 000166820600043OAI: diva2:339036
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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