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Titolo:
Synthesis of compositionally homogeneous Pb(ZrxTi1-x)1-(y)(Mg1/3Ta2/3)(y)O-3 by wet-dry combination method and its dielectric properties
Autore:
Abe, Y; Tanaka, T; Kakegawa, K; Sasaki, Y;
Indirizzi:
Chiba Univ, Grad Sch Sci & Technol, Inage Ku, Chiba 2638522, Japan Chiba Univ Chiba Japan 2638522 & Technol, Inage Ku, Chiba 2638522, Japan Chiba Univ, Fac Engn, Inage Ku, Chiba 2638522, Japan Chiba Univ Chiba Japan 2638522 Fac Engn, Inage Ku, Chiba 2638522, Japan
Titolo Testata:
MATERIALS LETTERS
fascicolo: 4-5, volume: 47, anno: 2001,
pagine: 308 - 313
SICI:
0167-577X(200102)47:4-5<308:SOCHP>2.0.ZU;2-I
Fonte:
ISI
Lingua:
ENG
Soggetto:
SOLID-SOLUTION; FLUCTUATION REGION; SYSTEM;
Keywords:
compositional fluctuation; dielectric properties; perovskite; lead titanate; lead zirconate; lead magnesium tantalate;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
16
Recensione:
Indirizzi per estratti:
Indirizzo: Abe, Y Chiba Univ, Grad Sch Sci & Technol, Inage Ku, Yayoi Cho, Chiba 2638522, Japan Chiba Univ Yayoi Cho Chiba Japan 2638522 Cho, Chiba 2638522, Japan
Citazione:
Y. Abe et al., "Synthesis of compositionally homogeneous Pb(ZrxTi1-x)1-(y)(Mg1/3Ta2/3)(y)O-3 by wet-dry combination method and its dielectric properties", MATER LETT, 47(4-5), 2001, pp. 308-313

Abstract

Ternary perovskite-type solid solutions of Pb(ZrxTi1-x)(1-y)(Mg1/3Ta2/3)(y)O-3 (PZTMT) were synthesized by a wet-dry combination method in which a coprecipitation process was applied to B-site cations (Zr4+, Ti4+, Mg2+ and Ta5+). The compositional homogeneity in calcined powders and dielectric properties of sintered ceramics were investigated. The powder X-ray diffractionanalysis revealed that PZTMT powders prepared by the wet-dry combination method had no compositional fluctuation unlike that prepared by a conventional dry method. The sintered PZTMT prepared by the wet-dry combination method exhibited much higher dielectric constant than that prepared by the conventional dry method. The improvement of the compositional homogeneity and the density led to the improvement of the dielectric properties. (C) 2001 Published by Elsevier Science B.V.

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Documento generato il 08/04/20 alle ore 09:02:19