The role of tetragonal side morphotropic phase boundary in modified relaxor-PbTiO3 crystals for high power transducer applications

被引：16
作者：
Kong, Lingping [1 ,2 ,3 ]
Liu, Gang [1 ,2 ,4 ]
Zhang, Shujun [4 ]
Liu, Haozhe [1 ]
机构：
[1] Harbin Inst Technol, Harbin 150080, Peoples R China
[2] Ctr High Pressure Sci & Technol Adv Res, Shanghai 201203, Peoples R China
[3] Carnegie Inst Sci, HPSynC, Argonne, IL 60439 USA
[4] Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA
来源：
JOURNAL OF APPLIED PHYSICS | 2013年 / 114卷 / 14期
关键词：
FERROELECTRIC SINGLE-CRYSTALS; PIEZOELECTRIC PROPERTIES; CERAMICS;
D O I：
10.1063/1.4824185
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Morphotropic phase boundary (MPB) in ferroelectric materials leads to improved properties due to the structural instability. The manganese modified Pb(In1/2Nb1/2)O-3-Pb(Mg1/3Nb2/3)O-3-PbTiO3 crystals with MPB composition were investigated, the structure/property relationship was established. The tetragonal side MPB (coexistence of 91% tetragonal and 9% monoclinic phases) was confirmed by X-ray synchrotron data, while relaxor behavior was detected by Raman characterization and dielectric measurement. Crystals with such MPB composition possess high "figure of merit" (d(33).Q(33) similar to 10(6) pC/N), being one order higher when compared with their pure rhombohedral counterparts. Together with high Curie temperature (similar to 229 degrees C) and temperature stability of properties, demonstrating a promising candidate for high power transducer applications. (C) 2013 AIP Publishing LLC.
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页数：5
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