Effects of Sm/Bi co-substitution on microstructures and microwavedielectric characteristics of Ba_(6-3x)La_(8+2x)Ti_(18)O_(54) (x = 2/3) solid solution

N. Qin; X.M. Chen

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Effects of Sm/Bi co-substitution on microstructures and microwavedielectric characteristics of Ba_(6-3x)La_(8+2x)Ti_(18)O_(54) (x = 2/3) solid solution

机译：Sm / Bi共取代对Ba_（6-3x）La_（8 + 2x）Ti_（18）O_（54）（x = 2/3）固溶体微观结构和微波介电特性的影响

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Sm/Bi co-substitution for La in Ba_(6-3x)La_(8+2x)Ti_(18)O_(54) (x = 2/3) microwave dielectric ceramics was investigated. A single-phase solid solution with new tungsten bronze-type structure formed in the range of 0 < z < 0.2 for y = 0.5 and 0 < z < 0.16 for y = 0.7 in Ba_(6-3x)(La_(1-y-z)Sm_yBi_z)_(8+2x)Ti_(18)O_(54) ceramics. As Bi content exceeded these ranges, a secondary phase of Bi_4Ti_3O_(12) precipitated. Sm/Bi co-substitution significantly improved the temperature coefficient of resonant frequency (τ_f) and quality factor (Qf) in Ba_(6-3x)La_(8+2x)Ti_(18)O_(54) ceramics, and good combinations of microwave dielectric properties were achieved: (1) ε = 105, Qf = 4, 173 GHz, τ_f = - 15 ppm/℃ for y= 0.7, z = 0.12, and (2) ε = 88.4, Qf = 6, 697 GHz, τ_f = +1 ppm/℃ for y = 0.7, z = 0.04.

机译：研究了Ba_（6-3x）La_（8 + 2x）Ti_（18）O_（54）（x = 2/3）微波介电陶瓷中La的Sm / Bi共取代。在Ba_（6-3x）（La_（1-yz）中，在y = 0.5时0

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来源
《Materials Science and Engineering. B, Solid-State Materials for Advanced Technology》 |2004年第1期|p.90-94|共5页
作者
N. Qin; X.M. Chen;
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Department of Materials Science & Engineering, Zhejiang University, 38 Zheda Rd., Hangzhou 310027, China;

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正文语种 eng
中图分类工程材料学;
关键词
Ba_(6-3x)La_(8+2x)Ti_(18)O_(54); dielectric properties; microstructures; solid solution;

机译：Ba_（6-3x）La_（8 + 2x）Ti_（18）O_（54）;介电性能;微观结构;固溶体;

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1. Effects of Bi_2O_3 addition on the microstructures and microwave dielectric characteristics of Ba_(6-3x)(Sm_(0.2)Nd_(0.8))_(8+2x)Ti_(18)O_(54)(x=2/3) ceramics [J] . Y. Zheng, X. Zhao, W. Lei Materials Letters . 2006,第4期

机译：添加Bi_2O_3对Ba_（6-3x）（Sm_（0.2）Nd_（0.8））_（8 + 2x）Ti_（18）O_（54）（x = 2/3）陶瓷的微观结构和微波介电特性的影响
2. Modification of Ba_(6-3x)Sm_(8+2x)Ti_(18)O_(54) (x=2/3) Microwave Dielectric Ceramics by Nd/Bi Co-substitution on A-site [J] . N. Qin, X.M. Chen Key Engineering Materials . 2005,第Pt1期

机译：N位/ Bi共取代在A位上修饰Ba_（6-3x）Sm_（8 + 2x）Ti_（18）O_（54）（x = 2/3）微波介电陶瓷
3. Solubility limits and microwave dielectric properties of Ba_(6-3x)Sm_(8+2x)Ti_(18)O_(54) solid solution [J] . Li Zhong, Xiao Li Zhu, Xiang Ming Chen CERAMICS INTERNATIONAL . 2011,第8期

机译：Ba_（6-3x）Sm_（8 + 2x）Ti_（18）O_（54）固溶体的溶解度极限和微波介电性能
4. Modification of Ba_(6-3x)Sm_(8+2x)Ti_(18)O_(54) (x=2/3) Microwave Dielectric Ceramics by Nd/Bi Co-substitution on A-site [C] . N. Qin, X.M. Chen, Chinese Ceramic Society, China International Conference on High-Performance Ceramics . 2005

机译：通过ND / BI协同取代在A现场进行BA_（6-3x）SM_（8 + 2x）TI_（18）（x = 2/3）微波介质陶瓷的修改
5. Microwave Dielectric Properties of Bi-Doped Ba4R9+1/3Ti18O54 Solid Solutions. [O] . Takashi OKAWA, Masahiro IMAEDA, Hitoshi OHSATO 2002

机译：双掺杂Ba4R9 + 1 / 3Ti18O54固溶体的微波介电性能。

Effects of Sm/Bi co-substitution on microstructures and microwavedielectric characteristics of Ba_(6-3x)La_(8+2x)Ti_(18)O_(54) (x = 2/3) solid solution

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