High Frequency Dielectric Properties of BSTO Ceramic Prepared with hydrothermal synthesized SrTiO3 and BaTiO3 powders
会议名称:《中国颗粒学会第六届学术年会暨海峡两岸颗粒技术研讨会》
会议日期:2008年
学科分类:080706[工学-化工过程机械] 08[工学] 0807[工学-动力工程及工程热物理]
关 键 词:hydrothermal method SrTiO3 BaTiO3 dielectric properties
摘 要:A BSTO dielectric ceramic was prepared with the starting materials of SrTiO and BaTiO powders which were synthesized by hydrothermal *** morphology of the ceramic was observed with ***,Dielectric properties including the temperature and frequency dependence of dielectric constant,the dielectric loss,were *** results show that the samples can be sintered at 1120℃;the grain size is smaller than 3μm;the dielectric loss is 3.5×10 at 1kHz and is 2.0×10 at 1MHz;the Curie temperature is -2℃;the tunability is 15%under applying 1kV/mm dc bias field.