Polarization switching and high piezoelectric response in Sn-modified BaTiO3

被引：89

作者：

Kalyani, Ajay Kumar ^{[1
]}

Krishnan, Hari ^{[2
]}

Sen, Arijit ^{[3
]}

Senyshyn, Anatoliy ^{[4
]}

Ranjan, Rajeev ^{[1
]}

机构：

[1] Indian Inst Sci, Dept Mat Engn, Bangalore 560012, Karnataka, India

[2] Birla Inst Technol & Sci, Hyderabad, Andhra Pradesh, India

[3] Jadavpur Univ, Kolkata, W Bengal, India

[4] Tech Univ Munich, Forsch Neutronenquelle Heinz Maier Leibnitz FRM 2, D-85747 Munich, Germany

来源：

PHYSICAL REVIEW B | 2015年 / 91卷 / 02期

关键词：

FERROELECTRIC SINGLE-CRYSTALS; ELECTRIC-FIELD; STRAIN BEHAVIOR; BARIUM-TITANATE; CERAMICS; DOMAIN; PHASE; ROTATION;

D O I：

10.1103/PhysRevB.91.024101

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

BaTiO3 is shown to exhibit anomalous piezoelectric response, comparable to that of lead-zirconate titanate, by dilute Sn modification (1-4 mol%). Using a newly discovered powder poling technique it is shown that the mechanism associated with this anomalous strain response involves electric-field-induced switching of polarization vector from [001] towards [101] pseudocubic direction. This switchability is significantly enhanced by tuning the tetragonal-orthorhombic first-order criticality near to room temperature.

引用

页数：13

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