Antiferroelectricity induced by electric field in NaNbO3-based lead-free ceramics | Zendy

Yonghao Xu | Zendy; Wei Hong | Zendy; Yujun Feng | Zendy; Xiaoli Tan | Zendy

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Antiferroelectricity induced by electric field in NaNbO3-based lead-free ceramics

Author(s) -

Yonghao Xu,

Wei Hong,

Yujun Feng,

Xiaoli Tan

Publication year - 2014

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.4863850

Subject(s) - antiferroelectricity , ferroelectricity , electric field , materials science , condensed matter physics , dipole , polarization (electrochemistry) , ferroelectric ceramics , phase (matter) , polarization density , crystallite , phase transition , ceramic , dielectric , optoelectronics , chemistry , physics , magnetic field , composite material , magnetization , metallurgy , organic chemistry , quantum mechanics

Electric fields are known to favor a ferroelectric phase with parallel electric dipoles over an antiferroelectric phase. We demonstrate in this Letter that electric fields can induce an antiferroelectric phase out of a ferroelectric phase in a NaNbO3-based lead-free polycrystalline ceramic. Such an unlikely ferroelectric-to-antiferroelectric phase transition occurs at fields with a reversed polarity and competes with the ferroelectric polarization reversal process.

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