纳米PbF_2的介电性能  

Dielectric Properties of Nanophase Lead Fluoride

作　　者：刘金芳[1] 

机构地区：[1]浙江大学材料系,浙江杭州310027

出　　处：《材料科学与工程》2002年第3期375-377,395,共4页Materials Science and Engineering

基　　金：国家自然科学基金资助项目 ( 59872 0 3 1)

摘　　要：采用惰性气体蒸发和原位压结法制备了具有清洁界面的纳米PbF2 块材。通过X射线衍射和介电测量 ,研究了物相组成、介电性能与频率和温度的关系。探讨了退火处理对试样物相组成和介电性能的影响。The bulk samples of nanophase PbF 2 with the clean interfaces were prepared by using an inert gas evaporation and in situ compacting technique.The pahase constitution and the relation between dielectric property and temperature were studied by XRD and dielectric measure.The structural variation and dielectric property during annealing are also discussed.

关 键 词：PbF2 介电性能 纳米氟化物 介电常数 退火温度 氟化铅 介电材料 

分 类 号：TM22[一般工业技术—材料科学与工程] TB383[电气工程—电工理论与新技术]