铁电纳米材料的制备、性能和应用前景

无机材料学报

铁电纳米材料的制备、性能和应用前景

鲁圣国¹; 李标荣²; 麦炽良³; 黄健洪³

1. 香港城市大学物理和材料科学系, 香港九龙; 2. 东莞市电子工业总公司, 广东东莞 523006; 3. 香港理工大学应用物理系和材料研究中心, 香港九龙

收稿日期:2003-10-27 修回日期:2003-12-03 出版日期:2004-11-20 网络出版日期:2004-11-20

Preparation, Properties and Application Prospects of Ferroelectic Nanomaterials

LU Sheng-Guo¹; LI Biao-Rong²; MAK Chee-Leung³; WONG Kin-Hung³

1. Department of Physics and Materials Science; City University of Hong Kong; Kowloon; Hong Kong; China; 2. Dongguan Electronic Industrial Corporation; Dongguan; Guangdong 523006; 3. Depart-ment of Applied Physics and Materials Research Center; The Hong Kong Polytechnic University; , Kowloon Hong Kong, China

Received:2003-10-27 Revised:2003-12-03 Published:2004-11-20 Online:2004-11-20

摘要/Abstract

摘要： 对近年来有关铁电纳米粉体、纳米复合材料、以及纳米陶瓷的制备,结构和性能进行了介绍.对由于粒子尺寸减小引起的结构和性能的改变及其相关机理进行了讨论.透明铁电纳米复合材料可望在光学存储、光学计算等光学器件中得到应用.而纳米陶瓷由于介电特性、耐电压、抗老化、机械强度等性能的提高,因而可以广泛用于改进现有电容器材料的性能,获得性能更加优良的器件.

关键词: 铁电体, 纳米粉体, 纳米陶瓷, 纳米复合材料, 尺寸效应, 介电性能

Abstract: The preparation, structure and properties of ferroelectric nanometer sized powders, nanocomposites, and nanoceramics were introduced. The change of structure and properties caused by the reduction
of particle size and pertinent mechanisms were discussed. Transparent nanocomposites were expected to be applied as the optical memories, optical computer, etc devices, while the nanoceramics can be
widely used to improve the characteristic parameters of current capacitors due to the greatly enhanced dielectric permittivity, breakdown voltage, ageing-resistivity, mechanical strength, etc. Better quality
of devices will be obtained by using the nanosized powders.

Key words: ferroelectrics, nanopowder, nanoceramic, nanocomposite, size effect, dielectric properties

中图分类号:

TM22

鲁圣国,李标荣,麦炽良,黄健洪. 铁电纳米材料的制备、性能和应用前景[J]. 无机材料学报.

LU Sheng-Guo,LI Biao-Rong,MAK Chee-Leung,WONG Kin-Hung. Preparation, Properties and Application Prospects of Ferroelectic Nanomaterials[J]. Journal of Inorganic Materials.

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