Monoclinic structure of unpoled morphotropic high piezoelectric PMN-PT and PZN-PT compounds

Jean Michel Kiat; Jean Michel Kiat; Yoshiaki Uesu; Brahim Dkhil; Masaaki Matsuda; Charlotte Malibert; Charlotte Malibert; Gilbert Calvarin

doi:10.1103/PhysRevB.65.064106

Monoclinic structure of unpoled morphotropic high piezoelectric PMN-PT and PZN-PT compounds

Jean Michel Kiat, Jean Michel Kiat, Yoshiaki Uesu, Brahim Dkhil, Masaaki Matsuda, Charlotte Malibert, Charlotte Malibert, Gilbert Calvarin

Research output: Contribution to journal › Article › peer-review

290 Scopus citations

Abstract

Evidences of a monoclinic phase in unpoled (PbMg_1/3Nb_2/3O₃) _1-x-(PbTiO₃)_x with x=0.35 (PMN-PT 35%) and unpoled (PbZn_1/3Nb_2/3O₃)_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 co-workers in PbZr_1-xTi_xO₃ with x=0.48 [B. Noheda et al., Phys. Rev. B. 61, 8687 (2000)] but is identical to the phase observed in poled PZN-PT with x=0.08 [B. Noheda et al., Phys. Rev. Lett. 86, 3891 (2001)] 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 characterized by a weak value of polarization, a strong deformation of oxygen polyhedra, and weak cationic shifts.

Original language	English
Article number	064106
Pages (from-to)	641061-641064
Number of pages	4
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	65
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevB.65.064106
State	Published - Feb 1 2002
Externally published	Yes

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title = "Monoclinic structure of unpoled morphotropic high piezoelectric PMN-PT and PZN-PT compounds",

abstract = "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 co-workers in PbZr1-xTixO3 with x=0.48 [B. Noheda et al., Phys. Rev. B. 61, 8687 (2000)] but is identical to the phase observed in poled PZN-PT with x=0.08 [B. Noheda et al., Phys. Rev. Lett. 86, 3891 (2001)] 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 characterized by a weak value of polarization, a strong deformation of oxygen polyhedra, and weak cationic shifts.",

author = "Kiat, {Jean Michel} and Kiat, {Jean Michel} and Yoshiaki Uesu and Brahim Dkhil and Masaaki Matsuda and Charlotte Malibert and Charlotte Malibert and Gilbert Calvarin",

year = "2002",

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AU - Kiat, Jean Michel

AU - Uesu, Yoshiaki

AU - Dkhil, Brahim

AU - Matsuda, Masaaki

AU - Malibert, Charlotte

AU - Calvarin, Gilbert

PY - 2002/2/1

Y1 - 2002/2/1

N2 - 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 co-workers in PbZr1-xTixO3 with x=0.48 [B. Noheda et al., Phys. Rev. B. 61, 8687 (2000)] but is identical to the phase observed in poled PZN-PT with x=0.08 [B. Noheda et al., Phys. Rev. Lett. 86, 3891 (2001)] 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 characterized by a weak value of polarization, a strong deformation of oxygen polyhedra, and weak cationic shifts.

AB - 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 co-workers in PbZr1-xTixO3 with x=0.48 [B. Noheda et al., Phys. Rev. B. 61, 8687 (2000)] but is identical to the phase observed in poled PZN-PT with x=0.08 [B. Noheda et al., Phys. Rev. Lett. 86, 3891 (2001)] 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 characterized by a weak value of polarization, a strong deformation of oxygen polyhedra, and weak cationic shifts.

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Monoclinic structure of unpoled morphotropic high piezoelectric PMN-PT and PZN-PT compounds

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