Electric-field-induced antiferroelectric to ferroelectric phase transition in mechanically confinedPb0.99Nb0.02[ | Zendy

Xiaoli Tan | Zendy; J. Frederick | Zendy; Chao Ma | Zendy; Emil Aulbach | Zendy; Mie Marsilius | Zendy; Wei Hong | Zendy; Torsten Granzow | Zendy; Wook Jo | Zendy; Jürgen Rödel | Zendy

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Electric-field-induced antiferroelectric to ferroelectric phase transition in mechanically confinedPb0.99Nb0.02[

Author(s) -

Xiaoli Tan,

J. Frederick,

Chao Ma,

Emil Aulbach,

Mie Marsilius,

Wei Hong,

Torsten Granzow,

Wook Jo,

Jürgen Rödel

Publication year - 2010

Publication title -

physical review b

Language(s) - English

Resource type - Journals

eISSN - 1538-4489

pISSN - 1098-0121

DOI - 10.1103/physrevb.81.014103

Subject(s) - ferroelectricity , phase transition , antiferroelectricity , materials science , electric field , ferroelasticity , phase (matter) , condensed matter physics , perovskite (structure) , phenomenological model , field (mathematics) , thermodynamics , physics , crystallography , dielectric , chemistry , optoelectronics , quantum mechanics , mathematics , pure mathematics

The electric-field-induced phase transition was investigated under mechanical confinements in bulk samples of an antiferroelectric perovskite oxide at room temperature. Profound impacts of mechanical confinements on the phase transition are observed due to the interplay of ferroelasticity and the volume expansion at the transition. The uniaxial compressive prestress delays while the radial compressive prestress suppresses it. The difference is rationalized with a phenomenological model of the phase transition accounting for the mechanical confinement.open241

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