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Structure and Microwave Dielectric Properties of Zn2+ Doped SrAl2Si2O8 Ceramic
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Hui ZHU, Shihua DING, Yun ZHANG, Tianxiu SONG, Chao LI
Journal of the Chinese Ceramic Society | 2021, 49(9) : 1928 - 1934
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Journal of the Chinese Ceramic Society | 2021, 49(9): 1928-1934
• Research Article •
Structure and Microwave Dielectric Properties of Zn2+ Doped SrAl2Si2O8 Ceramic
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Hui ZHU, Shihua DING, Yun ZHANG, Tianxiu SONG, Chao LI
Affiliations
  • School of Materials Science and Engineering, Xihua University, Chengdu 610039, China

    • ZHU Hui (1994-), female, Master candidate. E-mail:

About Author:

ZHU Hui (1994-), female, Master candidate. E-mail:

Published: 2021-09-20 doi: 10.14062/j.issn.0454-5648.20200818
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(Sr1-xZnx)Al2Si2O8 (x=0, 0.005, 0.010, 0.030, 0.060) microwave dielectric ceramic was prepared by a solid-phase sintering method. The effect of Zn2+ doping content on the crystal structure and microwave dielectric properties of SrAl2Si2O8 (SAS) ceramic was investigated. The site (Sr2+ or Al3+) was determined by the first-principle calculation to confirm the site occupied by Zn2+. The result shows that Zn2+ substitution can increase SAS Q×f value (from 37 502 GHz to the maximum value of 48 252 GHz), and improve the density and τf value. The (Sr0.99Zn0.01)Al2Si2O8 ceramic sintered at 1 500℃ for 5 h has excellent microwave dielectric properties(i.e., εr=7.0, Q×f=48 252 GHz, τf= -36.35×10-6/℃).

low dielectric constant  /  strontium feldspar  /  microwave dielectric properties  /  crystal structure
朱惠, 丁士华, 张云, 宋天秀, 李超. Zn2+掺杂SrAl2Si2O8陶瓷的结构及微波介电性能. 硅酸盐学报, 2021 , 49 (9) : 1928 -1934 . DOI: 10.14062/j.issn.0454-5648.20200818
Hui ZHU, Shihua DING, Yun ZHANG, Tianxiu SONG, Chao LI. Structure and Microwave Dielectric Properties of Zn2+ Doped SrAl2Si2O8 Ceramic[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (9) : 1928 -1934 . DOI: 10.14062/j.issn.0454-5648.20200818
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Year 2021 volume 49 Issue 9
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Article Info
doi: 10.14062/j.issn.0454-5648.20200818
  • Receive Date：2020-10-30
  • Online Date：2026-10-30
  • Published：2021-09-20
Article Data
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History
  • Received：2020-10-30
  • Revised：2021-01-04
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Affiliations
    School of Materials Science and Engineering, Xihua University, Chengdu 610039, China

Corresponding:

DING Shihua (1963-), male, Ph.D., Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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