Submicron and nanostructured 0.8Pb(Mg1/3Nb2/3)O3-0.2PbTiO3 ceramics by hot pressing of nanocrystalline powders

被引：15

作者：

Amorin, H. ^{[1
]}

Ricote, J. ^{[1
]}

Jimenez, R. ^{[1
]}

Holc, J. ^{[2
]}

Kosec, M. ^{[2
]}

Alguero, M. ^{[1
]}

机构：

[1] CSIC, Inst Ciencia Mat, Madrid 28049, Spain

[2] Jozef Stefan Inst, Ljubljana 1000, Slovenia

来源：

SCRIPTA MATERIALIA | 2008年 / 58卷 / 09期

关键词：

ferroelectricity; functional ceramics; mechanosynthesis; hot pressing; microstructure;

D O I：

10.1016/j.scriptamat.2007.12.015

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Nanocrystalline powders synthesized by mechanochemical activation were successfully used to process high-density submicron- and nanostructured 0.8Pb(Mg1/3Nb2/3)O-3-0.2PbTiO(3) perovskite phase ceramics by hot pressing, with average grain size ranging from 0.36 mu m down to 88 nm. These materials are very suitable for studying the size dependence of the properties across the submicron range approaching the nanoscale. This is the first report of such a series of ceramic materials of a relaxor-based morphotropic phase boundary composition, and of its properties as a function of the grain size. (C) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

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页码：755 / 758

页数：4

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