Electrical properties of (Bi05Na05)TiO3 ceramic prepared by sol-gel method | Zendy

Zhao Ming-Lei | Zendy; Wang Chun-Lei | Zendy; Weilie Zhong | Zendy; Wang Jin-Feng | Zendy; HongCun Chen | Zendy

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Electrical properties of (Bi05Na05)TiO3 ceramic prepared by sol-gel method

Author(s) -

Zhao Ming-Lei,

Wang Chun-Lei,

Weilie Zhong,

Wang Jin-Feng,

HongCun Chen

Publication year - 2003

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.52.229

Subject(s) - materials science , ceramic , sol gel , piezoelectricity , bismuth titanate , bismuth , composite material , fabrication , coercivity , hysteresis , electric field , ferroelectricity , dielectric , nanotechnology , optoelectronics , metallurgy , condensed matter physics , medicine , alternative medicine , physics , pathology , quantum mechanics

Bismuth sodium titanate Bi05Na05TiO3 ceramic with about 96% of theoretical density was prepared by sol-gel processing. The saturate P-E hysteresis loop can be obtained under a 100kV/cm AC electric field for the sol-gel processed Bi05Na05TiO3 ceramic and the remanent polarization Pr and coercive field Ec are 32μC/cm2 and 61kV/cm respectively. Moreover, from the piezoelectric measurements, this material fabricated by sol-gel processing was found to have increased piezoelectric constant d33=102×10-12C/N and electromechanical coupling factor kt=58%. Therefore, sol-gel method is a potential fabrication technique for this lead-free piezoelectric ceramic.

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