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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=10 674 GHz、τf=304.4×10-6 /℃(x=0.13、Ln=La);ε=108.9、Qf=14 919 GHz、τf=236.2×10-6 /℃(x=0.13、Ln=Nd);ε=101.3、Qf=14 485 GHz、τf=186.6×10-6 /℃(x=0.13、Ln=Sm).
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稀有金属材料与工程
ISSN: 1002-185X
CN: 61-1154/TG
Year: 2007
Issue: z1
Volume: 36
Page: 418-421
0 . 2 8 6
JCR@2007
0 . 6 0 0
JCR@2023
ESI Discipline: MATERIALS SCIENCE;
JCR Journal Grade:3
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WoS CC Cited Count: 0
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ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 4
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