Relaxor Behavior, Polarization Buildup, and Switching in Nanostructured 0.92 PbZn 1/3 Nb 2/3 O 3 –0.08 PbTiO 3  Ceramics | Zendy

Algueró Miguel | Zendy; Hungría Teresa | Zendy; Amorín Harvey | Zendy; Ricote Jesús | Zendy; Galy Jean | Zendy; Castro Alicia | Zendy

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Relaxor Behavior, Polarization Buildup, and Switching in Nanostructured 0.92 PbZn 1/3 Nb 2/3 O 3 –0.08 PbTiO 3 Ceramics

Author(s) -

Algueró Miguel,

Hungría Teresa,

Amorín Harvey,

Ricote Jesús,

Galy Jean,

Castro Alicia

Publication year - 2007

Publication title -

small

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.785

H-Index - 236

eISSN - 1613-6829

pISSN - 1613-6810

DOI - 10.1002/smll.200700284

Subject(s) - materials science , phase boundary , spark plasma sintering , ceramic , mechanosynthesis , polarization (electrochemistry) , grain boundary , nanoscopic scale , perovskite (structure) , sintering , piezoelectricity , condensed matter physics , dielectric , phase (matter) , nanotechnology , optoelectronics , microstructure , composite material , chemical engineering , chemistry , ball mill , physics , organic chemistry , engineering

The relaxor‐type behavior, electrical polarization buildup, and switching in 0.92Pb(Zn 1/3 Nb 2/3 )O 3 –0.08PbTiO 3 nanostructured ceramics with a grain size of ≈20 nm is reported for the first time. This composition presents the highest‐known piezoelectric coefficients, yet phase stability is an issue. Ceramics can only be obtained by the combination of mechanosynthesis and spark‐plasma sintering. The results raise the possibility of using nanoscale, perovskite‐relaxor‐based morphotropic‐phase‐boundary materials for sensing and actuation in nanoelectromechanical systems.

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