Sol–gel synthesis, densification, and electrical properties of CuO–B2O3 doped Ba6−3xR8+2xTi18O54 (R = Nd) microwave dielectric ceramics
作者： Yang Wu , Ruzhong Zuo , Yuanyuan Zhou , Zhenxing Yue
DOI: 10.1007/S10853-010-5028-9
关键词:
摘要: The low-temperature confirmable Ba6−3xR8+2xTi18O54 (BNT, R = Nd, x 2/3) ceramics were prepared by means of a citrate sol–gel soft-chemical method and the addition sintering aid. Nano-sized BNT crystallite powders (~80 nm) successfully synthesized as indicated transmission electron microscopy X-ray diffractometry. powder compacts exhibit enhanced activity can be well densified at 925 °C with aid small amount CuO B2O3. Compared to pure solid-state reaction method, not only was temperature significantly decreased, but also good microwave dielectric properties constant er 63 quality factor Q × f 5200 GHz maintained. Moreover, relationship between microstructure, densification, electrical discussed.
springer.com
harvard.edu
cheric.org参考文章(18)
Eric Rop Kipkoech, Feridoon Azough, Robert Freer, Microstructural control of microwave dielectric properties in CaTiO3–La(Mg1∕2Ti1∕2)O3 ceramics Journal of Applied Physics. ,vol. 97, pp. 064103- ,(2005) , 10.1063/1.1856212
Dong Kyun Yim, Jeong-Ryeol Kim, Dong-Wan Kim, Kug Sun Hong, Microwave dielectric properties and low-temperature sintering of Ba3Ti4Nb4O21 ceramics with B2O3 and CuO additions Journal of The European Ceramic Society. ,vol. 27, pp. 3053- 3057 ,(2007) , 10.1016/J.JEURCERAMSOC.2006.11.029
Cheng-Hsing Hsu, Hong-Tie Soong, Cheng-Chi Yu, Cheng-Liang Huang, Ming-Ta Ku, The effect of sintering temperature and time on microwave properties of Sm(Zn1/2Ti1/2)O3 ceramics for resonators Ceramics International. ,vol. 33, pp. 951- 955 ,(2007) , 10.1016/J.CERAMINT.2006.02.014
H. Ohsato, Science of tungstenbronze-type like Ba6–3xR8+2xTi18O54 (R=rare earth) microwave dielectric solid solutions Journal of The European Ceramic Society. ,vol. 21, pp. 2703- 2711 ,(2001) , 10.1016/S0955-2219(01)00349-1
Hsing-I. Hsiang, Tai-How Chen, Influence of glass additives on the sintering behavior and dielectric properties of BaO·(Nd0.8Bi0.2)2O3·4TiO2 ceramics Journal of Alloys and Compounds. ,vol. 467, pp. 485- 490 ,(2009) , 10.1016/J.JALLCOM.2007.12.034
Young-Jin Choi, Jeong-Hyun Park, Jae-Hwan Park, Sahn Nahm, Jae-Gwan Park, Middle- and high-permittivity dielectric compositions for low-temperature co-fired ceramics Journal of The European Ceramic Society. ,vol. 27, pp. 2017- 2024 ,(2007) , 10.1016/J.JEURCERAMSOC.2006.05.104
C.C Tang, M.A Roberts, F Azough, R Freer, Structural studies of Ba6−3xNd8+2xTi18O54 microwave dielectric ceramics at T=10–295 K Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms. ,vol. 199, pp. 64- 66 ,(2003) , 10.1016/S0168-583X(02)01403-9
Dong Zou, Qilong Zhang, Hui Yang, Shaochun Li, Low temperature sintering and microwave dielectric properties of Ba2Ti3Nb4O18 ceramics for LTCC applications Journal of The European Ceramic Society. ,vol. 28, pp. 2777- 2782 ,(2008) , 10.1016/J.JEURCERAMSOC.2008.04.021
Z. Yue, Y. Zhang, Z. Gui, L. Li, Preparation and characterization of CaTiO3–(Li1/2Nd1/4Sm1/4)TiO3 microwave ceramics by a sol–gel combustion process Applied Physics A. ,vol. 80, pp. 1757- 1761 ,(2005) , 10.1007/S00339-003-2475-Z
F. Zhao, Z. X. Yue, Z. L. Gui, L. T. Li, Synthesis and characterization of novel Ca2Zn4Ti15O36 microwave ceramics derived from sol-gel powder Journal of Electroceramics. ,vol. 21, pp. 120- 123 ,(2008) , 10.1007/S10832-007-9090-X