CaCu_3Ti_4O_(12)(CCTO)陶瓷的研究进展  

Advances in CaCu_3Ti_4O_(12)(CCTO) ceramics

作　　者：王行行 蔡会武[1] WANG Hang-hang;CAI Hui-wu(College of Chemistry and Chemical Engineering,Xi’an University of Science and Technology,Xi’an 710054,China)

机构地区：[1]西安科技大学化学与化工学院,陕西西安710054

出　　处：《应用化工》2018年第9期1981-1985,1990,共6页Applied Chemical Industry

基　　金：国家自然科学基金项目(51577154);陕西省自然科学基础研究计划项目(2016JM5014)

摘　　要：CaCu_3Ti_4O_(12)(也简称为CCTO)是一种非铅基、具有高介电常数以及高热稳定性的新型介电陶瓷。这种性质使得它无论在科研领域还是在实际应运中都将成为研究的热点。首先介绍了CCTO目前的几种制备工艺,并对这几种工艺作出简单对比分析。其次介绍了CCTO巨介电常数机理来源的几种机制,然后详尽介绍掺杂改性对CCTO特性的影响,最后对CCTO的研究现状做出总结。CaCu 3Ti 4O 12(also referred to as CCTO)is a kind of non lead,with high dielectric constant and high thermal stability of the new dielectric ceramics.Whether in the field of scientific research or in practice will become a hot research topic.This paper first introduces the CCTO current preparation process,to make this simple comparison of several process and then analyze the advantages and disadvantages of various methods.After the introduction of several mechanisms of giant dielectric constant source mechanism,detailed effects of doping on the characteristics of CCTO,the research status quo of CCTO were summarized.

关 键 词：CCTO 制备工艺 巨介电常数 介电损耗 内部机理 掺杂改性 

分 类 号：TQ174.758[化学工程—陶瓷工业]