Microstructure, dielectric and electromechanical properties of PLSZFT nanoceramics for piezoelectric applications

Ramam, K; Lopez M.

Abstract

This investigation highlights the influence of isovalent Sr 2+ on acceptor Fe 3+ modified PLZT for microstructure and its effect on dielectric and piezoelectric properties [Pb 0.985-y La 0.015Sr y] [(Zr 0.538Ti 0.462 ) 0.985Fe 0.015]O 3where y = 0, 0.5, 1.0, and 1.5 mol% nanocrystalline solid solutions near morphotrophic phase boundary were synthesized by solid state reaction method. X-ray diffraction patterns indicated that Sr increment resulted in strong tetragonality. Grain size and apparent density enhanced up to y = 1.5 mol%. TEM studies indicated that average particle size ranged from 23 to 68 nm. PLSZFT compositions attained optimum ε RT, d 33, and k p at y = 1.5 mol%, respectively which could be suitable for possible piezoelectric applications. The influence of grain size on dielectric and piezoelectric properties are reported. © Springer Science+Business Media, LLC 2007.

Más información

Título según WOS: Microstructure, dielectric and electromechanical properties of PLSZFT nanoceramics for piezoelectric applications
Título según SCOPUS: Microstructure, dielectric and electromechanical properties of PLSZFT nanoceramics for piezoelectric applications
Título de la Revista: JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
Volumen: 19
Número: 11
Editorial: Springer Nature
Fecha de publicación: 2008
Página de inicio: 1140
Página final: 1145
Idioma: English
URL: http://link.springer.com/10.1007/s10854-007-9492-1
DOI:

10.1007/s10854-007-9492-1

Notas: ISI, SCOPUS