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Effect of La3+ and Nd3+ on the microwave dielectric properties of (Pb0.5Ca0.5)(Fe0.5Nb0.5)O-3 ceramics
Yang, QH; Kim, ES; Xu, J; Meng, ZY; Yang, QH (reprint author), Shanghai Univ, Sch Mat Sci & Engn, Shanghai 201800, Peoples R China
2003
Source PublicationMater. Sci. Eng. B
Volume99Issue:1_3Pages:259
AbstractMicrowave dielectric properties of A-site substitution by both La3+ and Nd3+ in (Pb0.5Ca0.5)(Fe0.5Nb0.5)O-3 system were investigated. Microwave dielectric properties of A-site charge unbalance substitution of [(Pb0.5Ca0.5)(1 -) (x) (La0.5Nd0.5)(x)](Fe0.5Nb0.5)O3 + delta (PCLNFN) were improved because the solid solution of small amount of surplus (La, Nd)(3+) with (Pb, Ca)(2+) could eliminate oxygen vacancies; the formation of secondary phase (pyrochlore phase) was also caused by surplus (La, Nd)(3+). The decreasing of dielectric constant with the increase of (La, Nd)(3+) content was due to the formation of pyrochlore phase. Qf values were almost unchanged at x = 0.02-0.08, but the temperature coefficient of resonant frequency (TCF) was decreased. Typically, at x = 0.06, the excellent microwave dielectric properties of Qf = 5822 GHz, epsilon(r) = 99.9 with TCF = 0 ppm/degreesC were obtained. (C) 2002 Elsevier Science B.V. All rights reserved.
SubtypeArticle; Proceedings Paper
DOI10.1016/S0921-5107(02)00496-8
Indexed BySCI
Language英语
WOS IDWOS:000184120300060
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.siom.ac.cn/handle/181231/18114
Collection激光与光电子功能材料研发中心
Corresponding AuthorYang, QH (reprint author), Shanghai Univ, Sch Mat Sci & Engn, Shanghai 201800, Peoples R China
Affiliation1.Shanghai Univ, Sch Mat Sci & Engn, Shanghai 201800, Peoples R China
2.Kyonggi Univ, Dept Mat Engn, Suwon 442760, South Korea
3.Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
Recommended Citation
GB/T 7714
Yang, QH,Kim, ES,Xu, J,et al. Effect of La3+ and Nd3+ on the microwave dielectric properties of (Pb0.5Ca0.5)(Fe0.5Nb0.5)O-3 ceramics[J]. Mater. Sci. Eng. B,2003,99(1_3):259.
APA Yang, QH,Kim, ES,Xu, J,Meng, ZY,&Yang, QH .(2003).Effect of La3+ and Nd3+ on the microwave dielectric properties of (Pb0.5Ca0.5)(Fe0.5Nb0.5)O-3 ceramics.Mater. Sci. Eng. B,99(1_3),259.
MLA Yang, QH,et al."Effect of La3+ and Nd3+ on the microwave dielectric properties of (Pb0.5Ca0.5)(Fe0.5Nb0.5)O-3 ceramics".Mater. Sci. Eng. B 99.1_3(2003):259.
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