中国科学院新疆理化技术研究所机构知识库
Advanced  
XJIPC OpenIR  > 新疆维吾尔自治区电子信息材料与器件重点实验室  > 期刊论文
学科主题: Engineering (provided by Thomson Reuters)
题名: 热敏陶瓷材料Mn2.25-xNi0.75CoxO4微结构与电学性能研究
其他题名: microstructure and electrical properties of mn_(2.25-x)ni_(0.750co_xo_4 thermistor ceramics
作者: 彭昌文; 张惠敏; 常爱民; 黄霞; 姚金城
关键词: NTC热敏陶瓷 ; 尖晶石 ; 电性能
刊名: Journal of Inorganic Materials
发表日期: 2011
卷: 26, 期:10
收录类别: SCI
资助者: 国家自然科学基金; 中国科学院西部之光项目
摘要: 采用氧化物固相法制备Mn_(2.25-x)Ni_(0.750Co_xO_4(0.8≤x≤1.2)系列NTC(negative temperature coefficient)热敏电阻粉体材料.利用激光粒度分析、XRD、SEM和电性能测试等手段,表征了煅烧材料的颗粒尺寸、陶瓷体的物相、形貌以及陶 瓷材料的电学特性与Co含量的关系.结果表明:在1130~1230℃烧结温度范围内,该材料体系的B值和电阻率rho25℃随Co含量的变化范围分别为 3487~4455 K和1998~203617Omega·cm,B值和电阻率随Co含量的增加先增大后减小.该材料系列电阻率和B值调整范围较大,是一种具有实际应用价值 的NTC热敏电阻。
英文摘要: A series of composite of the negative temperature coefficient(NTC)powders of Mn_(2.25-x)Ni_(0.750Co_xO_4(0.8≤ x≤1.2)materials were prepared via solid-state method.The particle size of calcined powders,ceramics phase structure,morphology and electrical properties were characterized by laser particle size analyzer,XRD,SEM and electrical measurements,respectively.The results show that when the Mn_(2.25-x)Ni_(0.750Co_xO_4 ceramics sintered at 1130~1230℃,their characteristic parameters B25/50 value are found to be in the range of 3487K to 4455K and their electrical resistivitiesrho25℃are 1998-·cm to 203617Omega·cm.The B25/50 value andrho25℃first increases and then decreases as the Co content increases.This means that electrical resistivity and B value of Mn_(2.25-x)Ni_(0.750Co_xO_4 ceramics could be adjusted to the desired values and this ternary system can be considered as the advanced semi-conducting materials for NTC thermistor applications.
内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/2606
Appears in Collections:新疆维吾尔自治区电子信息材料与器件重点实验室_期刊论文

Files in This Item:
File Name/ File Size Content Type Version Access License
热敏陶瓷材料Mn2.25-xNi0.75CoxO4微结构与电学性能研究.pdf(1095KB)期刊论文作者接受稿开放获取View 联系获取全文

作者单位: 中国科学院新疆理化技术研究所;新疆电子信息材料与器件重点实验室;中国科学院研究生院

Recommended Citation:
彭昌文,张惠敏,常爱民,等. 热敏陶瓷材料Mn2.25-xNi0.75CoxO4微结构与电学性能研究[J]. Journal of Inorganic Materials,2011,26(10).
Service
Recommend this item
Sava as my favorate item
Show this item's statistics
Export Endnote File
Google Scholar
Similar articles in Google Scholar
[彭昌文]'s Articles
[张惠敏]'s Articles
[常爱民]'s Articles
CSDL cross search
Similar articles in CSDL Cross Search
[彭昌文]‘s Articles
[张惠敏]‘s Articles
[常爱民]‘s Articles
Related Copyright Policies
Null
Social Bookmarking
Add to CiteULike Add to Connotea Add to Del.icio.us Add to Digg Add to Reddit
文件名: 热敏陶瓷材料Mn2.25-xNi0.75CoxO4微结构与电学性能研究.pdf
格式: Adobe PDF
此文件暂不支持浏览
所有评论 (0)
暂无评论
 
评注功能仅针对注册用户开放,请您登录
您对该条目有什么异议,请填写以下表单,管理员会尽快联系您。
内 容:
Email:  *
单位:
验证码:   刷新
您在IR的使用过程中有什么好的想法或者建议可以反馈给我们。
标 题:
 *
内 容:
Email:  *
验证码:   刷新

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.

 

 

Valid XHTML 1.0!
Powered by CSpace