SOL-GEL PROCESSING OF PBTIO3 AND PB(ZR(0.52)TI(0.48))O3 FIBERS

被引：58

作者：

SELVARAJ, U ^{[1
]}

PRASADARAO, AV ^{[1
]}

KOMARNENI, S ^{[1
]}

BROOKS, K ^{[1
]}

KURTZ, S ^{[1
]}

机构：

[1] PENN STATE UNIV,DEPT AGRON,UNIV PK,PA 16802

来源：

JOURNAL OF MATERIALS RESEARCH | 1992年 / 7卷 / 04期

关键词：

D O I：

10.1557/JMR.1992.0992

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Homogeneous and stoichiometric PbTiO3 and PbZr0.52Ti0.48O3 gel fibers were drawn from viscous solutions prepared by sol-gel processing of alkoxide precursors. The fibrous gels on heating at 450 and 600-degrees-C, respectively, formed the well-crystallized phases of PbTiO3 and PbZr0.52Ti0.48O3. Fibers heat treated at 700-degrees-C are a few centimeters long and 50 to 150-mu-m in diameter. PbZr0.52Ti0.48O3 fibers subjected to heat treatment at 700-degrees-C for 1 h consisted of fully dense submicron grains (0.15 to 0.2-mu-m). However, PbTiO3 fibers under analogous conditions showed a few micropores with grains of approximately 0.1-mu-m. Dielectric constants of these PbTiO3 and PbZr0.52Ti0.48O3 fibers were approximately 300 and 800, respectively.

引用

页码：992 / 996

页数：5

共 21 条

[1] SOL-GEL-DERIVED PBTIO3 [J].