Study on dielectric and piezoelectric properties of 0.7 Pb(Mg1/3Nb2/3)O3-0.3 PbTiO3 single crystal with nano-patterned composite electrode

被引：18
|
作者：
Chang, Wei-Yi [1 ]
Huang, Wenbin [1 ]
Bagal, Abhijeet [1 ]
Chang, Chih-Hao [1 ]
Tian, Jian [2 ]
Han, Pengdi [2 ]
Jiang, Xiaoning [1 ]
机构：
[1] N Carolina State Univ, Dept Mech & Aerosp Engn, Raleigh, NC 27695 USA
[2] HC Mat Corp, Bolingbrook, IL 60440 USA
来源：
JOURNAL OF APPLIED PHYSICS | 2013年 / 114卷 / 11期
基金：
美国国家科学基金会; 美国国家卫生研究院;
关键词：
LITHIUM-NIOBATE; FABRICATION; BEHAVIOR; PHASE; FIELD;
D O I：
10.1063/1.4821517
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Effect of nano-patterned composite electrode and backswitching poling technique on dielectric and piezoelectric properties of 0.7 Pb(Mg1/3Nb2/3)O-3-0.3 PbTiO3 was studied in this paper. Composite electrode consists of Mn nano-patterns with pitch size of 200 nm, and a blanket layer of Ti/Au was fabricated using a nanolithography based lift-off process, heat treatment, and metal film sputtering. Composite electrode and backswitching poling resulted in 27% increase of d(33) and 25% increase of dielectric constant, and we believe that this is attributed to regularly defined nano-domains and irreversible rhombohedral to monoclinic phase transition in crystal. The results indicate that nano-patterned composite electrode and backswitching poling has a great potential in domain engineering of relaxor single crystals for advanced devices. (C) 2013 AIP Publishing LLC.
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页数：6
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