Top-seeded solution growth and characterization of PMN-0.31PT piezoelectric single crystals

被引：15

作者：

Lu, Qinghua ^{[2
]}

Long, Xifa ^{[1
]}

Hu, Yuehua ^{[2
]}

机构：

[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, Key Lab Optoelect Mat Chem & Phys, Fuzhou 350002, Peoples R China

[2] Cent S Univ, Sch Minerals Proc & Bioengn, Changsha 410083, Peoples R China

来源：

CRYSTENGCOMM | 2010年 / 12卷 / 12期

关键词：

NIOBATE-LEAD TITANATE; FLUX GROWTH; BEHAVIOR; PB(MG1/3NB2/3)O-3-PBTIO3; HOMOGENEITY;

D O I：

10.1039/c002491k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Piezoelectric single crystals of 0.69Pb(Mg1/3Nb2/3)O-3-0.31PbTiO(3) were grown by a top-seeded solution growth method that prevented phase segregation and promoted the (001)-growth. The morphotropic phase boundary (MPB) structure was confirmed by X-ray diffraction and the dielectric, piezo- and ferro-electric properties were characterized. A dispersive maximum of dielectric permittivity appears around T-C - 135 degrees C, which slightly shifts towards higher temperatures with increasing frequency, indicating weak relaxor behaviour. The rhombohedral-tetragonal phase transition was detected at 108 degrees C. The piezoelectric coefficient (d(33)) was found to be 2080 pC N-1, with a strain level reaching 0.17% at an electric field of 10 kV cm(-1). The longitudinal electromechanical coupling factor k(33) reaches 92%.

引用

页码：4317 / 4320

页数：4

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