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Solid solutions of the PbII(M1-xMx')IVO3 (M, M'=Ti, V and Cr) perovskites, synthesized under high pressure and high temperature

High Pressure Research , Volume 28 (4): 509-513 – Dec 1, 2008

Details

Publisher
Taylor & Francis
Copyright
© 2009 Informa plc
Subject
perovskite
ISSN
0895-7959
D.O.I.
10.1080/08957950802538746
Publisher site
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Solid solutions of the PbII(M1-xMx')IVO3 (M, M'=Ti, V and Cr) perovskites, synthesized under high pressure and high temperature

Abstract

The structural characteristics of Pb(M 1- x M )O 3 solid solutions, with M, M'=Ti, V and Cr, have been investigated by powder X-ray diffraction. The specimens studied were synthesized under high pressure and high temperature in a 'belt-type' apparatus. The analogy between polymorphic, compared with the PbTiO 3 (tetragonal↔cubic phase transition), and morphotropic transformation in these systems is sufficiently close so as to be able to use the Birch-Murnaghan equation of state of PbTiO 3 and relate it to the internal (or the so-called 'chemical') pressure generated by the substitution of vanadium or chromium along the different solid solutions.
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