Acoustic emission study of phase transitions and polar nanoregions in relaxor-based systems:: Application to the PbZn1/3Nb2/3O3 family of single crystals -: art. no. 012102

被引：93
作者：
Dul'kin, E [1 ]
Roth, M
Janolin, PE
Dkhil, B
机构：
[1] Hebrew Univ Jerusalem, Fac Sci, IL-91904 Jerusalem, Israel
[2] Ecole Cent Paris, CNRS UMR 8580, Lab Struct Proprietes & Modelisat Solides, F-92295 Chatenay Malabry, France
来源：
PHYSICAL REVIEW B | 2006年 / 73卷 / 01期
关键词：
D O I：
10.1103/PhysRevB.73.012102
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The restored strain energy in PbZn1/3Nb2/3O3 (PZN) and 9%PbTiO3-doped PZN (PZN-9%PT) relaxor crystals has been studied by means of acoustic emission (AE). Two types of AE activity signals have been recorded: (i) related to temperature- or electric-field-induced macroscopic phase transitions and (ii) associated with formation/disappearance of intrinsic polar nanoregions. Monitoring of AE under varying [001] electric fields has allowed a unique in situ observation of a low-field (1 kV/cm) irreversible orthorhombic-to-M-C phase transition within the morphotropic phase boundary region of PZN-9%PT.
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