The phase transition sequence in the relaxor ferroelectric PZN–8% PT

Crystal structures and phase transitions in the giant piezoelectric effect material lead zinc niobate-8% lead titanate (PZN-8% PT) between 4.2 and 455 K have been determined using very high resolution powder neutron diffraction. The structure at 4.2 K is monoclinic (Cm). On heating, the monoclinic p...

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Bibliographic Details
Published in:Journal of physics. Condensed matter 2008-04, Vol.20 (16), p.165208-165208 (8)
Main Authors: Kisi, E H, Forrester, J S
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Crystalline state (including molecular motions in solids)
Crystallographic aspects of phase transformations
pressure effects
Dielectrics, piezoelectrics, and ferroelectrics and their properties
Exact sciences and technology
Physics
Piezoelectricity and electromechanical effects
Structure of solids and liquids
crystallography
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Summary:Crystal structures and phase transitions in the giant piezoelectric effect material lead zinc niobate-8% lead titanate (PZN-8% PT) between 4.2 and 455 K have been determined using very high resolution powder neutron diffraction. The structure at 4.2 K is monoclinic (Cm). On heating, the monoclinic phase transforms first into tetragonal (P4mm) and then cubic (Pm3m) structures via first-order transitions with wide two-phase regions.
ISSN:0953-8984
1361-648X
DOI:10.1088/0953-8984/20/16/165208