SYNTHESIS OF ULTRA-FINE CRYSTALLINE ZRXTI1-XO4 POWDER BY POLYMERIC PRECURSOR METHOD

Authors
CERQUEIRA M NASAR RS LONGO E LEITE ER VARELA JA
Citation
M. Cerqueira et al., SYNTHESIS OF ULTRA-FINE CRYSTALLINE ZRXTI1-XO4 POWDER BY POLYMERIC PRECURSOR METHOD, Materials letters, 22(3-4), 1995, pp. 181-185
Citations number
14
Categorie Soggetti
Material Science","Physics, Applied
Journal title
Materials letters → ACNP
ISSN journal
0167577X
Volume
22
Issue
3-4
Year of publication
1995
Pages
181 - 185
Database
ISI
SICI code
0167-577X(1995)22:3-4<181:SOUCZP>2.0.ZU;2-0
Abstract
Reactive ZrxTi1-xO4 (x=0.65, 0.50 and 0.35) powder was prepared by the polymeric precursor method. Studies by X-ray diffraction (XRD), nitro gen adsorption/desorption, and thermogravimetric analysis (TG) showed that powders with high crystallinity (>90%) and high surface areas (>4 0 m(2)/g) are obtained after calcination at 700 degrees C for 3 h. Inf rared spectroscopy and XRD results showed that these titanates nucleat e from the amorphous phase with no intermediate phases, at low tempera ture (450 degrees C).