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author:

梁炳亮 (梁炳亮.) [1] | 郑兴华 (郑兴华.) [2] | 倪维庆 (倪维庆.) [3] | 汤德平 (汤德平.) [4]

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CQVIP PKU CSCD

Abstract:

探讨了烧结温度、组成和稀土元素对Ca1-3xLn2xTiO3(x=0.13,0.2;Ln=La,Nd,Sm)陶瓷的晶体结构、微波介电性能的影响。X射线衍射(XRD)分析表明,除Ca1-3xLn2xTiO3(x=0.2;Ln=Sm)陶瓷中含有少量的第二相(Sm2Ti2O7)外,其余Ca1-3xLn2xTiO3(x=0.13,0.2;Ln=La,Nd,Sm)陶瓷均形成了单一正交钙钛矿相。x=0.13的样品微波介电性能明显优于相应的x=0.2的样品。部分Ca1-3xLn2xTiO3(x=0.13,0.2;Ln=La,Nd,Sm)陶瓷微波介电性能如下:ε=119.6、Qf=10674GHz、τf=304.4×10^-6/℃(x=0.13、Ln=La);ε=108.9、Qf=14919GHz、τf=236.2×10^-6/℃(x=0.13、Ln=Nd);ε=101.3、Qf=14485GHz、τf=186.6×10^-6/℃(x=0.13、Ln=Sm)。

Keyword:

微波介电性能 微波介质陶瓷 稀土元素 钙钛矿

Community:

  • [ 1 ] 福州大学材料科学与工程学院,福建福州350002

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Source :

稀有金属材料与工程

ISSN: 1002-185X

Year: 2007

Issue: A01

Volume: 36

Page: 418-421

0 . 2 8 6

JCR@2007

0 . 6 0 0

JCR@2023

JCR Journal Grade:3

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 1

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