Physics – Condensed Matter – Materials Science
Scientific paper
2001-09-12
Physics
Condensed Matter
Materials Science
11 pages, 2 figures, 2 tables embedded
Scientific paper
10.1103/PhysRevB.65.064106
Evidences of a monoclinic phase in unpoled (PbMg1/3Nb2/3O3)1-x-(PbTiO3)x with x=0.35 (PMN-PT 35%) and unpoled (PbZn1/3Nb2/3O3)1-x-(PbTiO3)x with x=0.09 (PZN-PT 9%) are presented from a neutron Rietveld analysis. This monoclinic phase is different from the phase recently evidenced by Noheda and coworkers in PbZr1-xTixO3 with x=0.481 but is identical to the phase observed in poled PZN-PT with x=0.102 by the same authors. The structural resolutions allowed us to compare both structures and to deduce the direction and magnitude of polarization. In PMN-PT 35% and PZN-PT 9% this phase is characterised by a weak value of polarization, a strong deformation of oxygen polyhedra and weak cationic shifts.
Calvarin G.
Dkhil Brahim
Kiat Jean-Michel
Malibert Charlotte
Matsuda MX.
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Monoclinic structure of unpoled morphotropic high piezoelectric (PbMg1/3Nb2/3O3)0.65-(PbTiO3)0.35 and (PbZn1/3Nb2/3O3)0.91-(PbTiO3)0.09 compounds does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
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