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[1]曾华,王聪,周密,等.CaCu3Ti4O12巨介电常数多孔陶瓷的制备[J].武汉工程大学学报,2010,(05):74-76.[doi:10.3969/j.issn.16742869.2010.05.020]
　ZENG Hua,WANG Cong,ZHOU Mi,et al.Preparation of CaCu3Ti4O12 giant dielectric porous ceramics[J].Journal of Wuhan Institute of Technology,2010,(05):74-76.[doi:10.3969/j.issn.16742869.2010.05.020]
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2010年05期
页码:
74-76
栏目:
材料科学与工程
出版日期:
2010-05-31

文章信息/Info

Title:
Preparation of CaCu3Ti4O12 giant dielectric porous ceramics
文章编号:
16742869(2010)05007403
作者:
曾华1; 王聪1; 周密1; 邓晓清1; 余冬冬1; 王升高1; 2
1. 武汉工程大学材料学院，湖北 武汉 430074；
2. 湖北省等离子体化学与新材料重点实验室，湖北 武汉 430074
Author(s):
ZENG Hua1; WANG Cong1; ZHOU Mi1; DENG Xiaoqing1; YU Dongdong1; WANG Shenggao1; 2
1. School of Material Science Engineering,Wuhan Institute of Technology, Wuhan 430074,China,2.Province Key
Laboratory of Plasma Chemistry and Advanced Material,Wuhan Institute of Technology,Wuhan 430074,China
关键词:
CaCu3Ti4O12 ; 多孔陶瓷; 巨介电常数
Keywords:
CaCu3Ti4O12;  porous ceramics;  giant dielectric constant
分类号:
TB3
DOI:
10.3969/j.issn.16742869.2010.05.020
文献标志码:
A
摘要:
通过固相合成及常压烧结的方法，以淀粉为造孔剂制备了CaCu3Ti4O12 (CCTO) 巨介电常数多孔陶瓷材料，采用XRD、SEM等测试手段对其合成与烧结过程中的物相变化进行了表征.结果表明, 制备该CCTO多孔陶瓷的适宜烧结温度为1 075 ℃，试样结晶完整，孔隙率大，大孔与小孔之间形成交错分布的开气孔结构，能够达到预期的效果.
Abstract:
CaCu3Ti4O12 ceramics with giant dielectric constant were prepared by solidstate reaction followed by densification at high temperatures. The synthesis and sintering as well as the dielectric properties of the ceramics were investigated by means of XRD, SEM. It was found that the optimum temperature for sintering CaCu3Ti4O12 was 1 075 ℃, the crystallization of sintered specimen integrity, porosity, and large holes and small holes staggered between the distributions of open pore structure.

参考文献/References:

［1］Subramanian M A, Li D, Duan N, et al. High Dielectric Constants in ACu3 Ti4O12 and ACu3 Ti3 FeO12 Phases ［J］.Journal of Solid State Chemistry,2000，151：323325.
［2］Homes C C, Vogt T, Shaoirp S M，et a1．Optical Response of HighDielectricConstant PerovskiteRelated Oxide ［J］. J Sci，2001，293：673676.
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［5］舒小红,房豪杰,潘丹霞.介质特性对DBD降解苯的影响［J］.环境污染治理技术与设备,2006,7(7):6872.
［6］刘蓓蓓,王传彬,沈强,等.高介电常数CaCu3Ti4 O12陶瓷粉体的合成与烧结 ［J］.人工晶体学报,2007,36(3):589591.
［7］倪维庆,俞建长,郑兴华,等.预烧温度对CaCu3 Ti4O12陶瓷结构和介电性能的影响［J］.稀有金属材料与工程,2007,36(1):505508.
［8］钟侃,聂勇,汪晶毅.填充石英球对DBD等离子体转化NO的影响［J］.电工电能新技术,2007,26(4):7174.

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备注/Memo

备注/Memo:
收稿日期：20091108项目基金：武汉工程大学校长基金；武汉工程大学教学研究项目.作者简介：曾华（1986），男，湖北武汉人.研究方向：等离子体技术与功能薄膜材料.指导老师：王升高，男，教授，博士.研究方向：等离子体技术与无机非金属材料
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