Effect of the powder process type on dielectric and leakage current characteristics of flux grown 94NBT-6BT single crystals

Author

Gurbuz, Mevlut ; Dogan, Atakan

Author_Institution

Dept. of Mech. Eng., Ondokuz Mayis Univ., Samsun, Turkey

fYear

2014

fDate

12-16 May 2014

Firstpage

1

Lastpage

4

Abstract

In this study, 94NBT-6BT single crystals were grown by flux growth method using uncalcined and calcined 94NBT-6BT powder. Crystal structures and chemical composition of grown crystals were characterized by X-ray diffraction (XRD), energy dispersive X-ray (EDX) and X-ray fluorescence (XRF) technique. Influences of the powder processing type on dielectric and leakage current properties of the grown single crystals were analyzed by impedance/gain phase analyzer, LCR meter, AIXACT (aixPES/CMA) piezoelectric and ferroelectric analyzer. The results showed that, single crystals which were produced by heat-treated powders gave better dielectric and leakage current properties than uncalcined single crystals.

Keywords

X-ray chemical analysis; X-ray diffraction; X-ray emission spectra; X-ray fluorescence analysis; barium compounds; bismuth compounds; calcination; crystal growth from solution; crystal structure; dielectric losses; fluorescence; leakage currents; permittivity; piezoceramics; sodium compounds; 94NBT-6BT single crystals; AIXACT piezoelectric analyzer; EDX; LCR meter; Na_0.5Bi_0.5TiO₃-BaTiO₃; X-ray diffraction; X-ray fluorescence; XRD; XRF; calcination; chemical composition; crystal structure; dielectric characteristics; dielectric constant; dielectric loss; energy dispersive X-ray analysis; ferroelectric analyzer; flux growth method; heat treatment; impedance-gain phase analyzer; leakage current; powder processing type; Crystals; Dielectric constant; Dielectric losses; Leakage currents; Powders; 94NBT-6BT; dielectric; flux growth; leakage current; single crystal;

fLanguage

English

Publisher

ieee

Conference_Titel

Applications of Ferroelectrics, International Workshop on Acoustic Transduction Materials and Devices & Workshop on Piezoresponse Force Microscopy (ISAF/IWATMD/PFM), 2014 Joint IEEE International Symposium on the

Conference_Location

State College, PA

Type

conf

DOI

10.1109/ISAF.2014.6922976

Filename

6922976