Optimised phase compositions and achieved ultra-high Q×f values in Ca(2+y)Sn2Al(2+x)O(9+1.5x+y) ceramics by composition modulation

The optimization of phase compositions and microwave dielectric properties in Ca(2+y)Sn2Al(2+x)O(9+1.5x + y) (−0.2 ≤ x ≤ 0.2, −0.2 ≤ y ≤ 0.2) ceramics were investigated. The change in Al content could inhibit the SnO2 second phase of Ca2Sn2Al2O9 ceramic, and the Al deficiency in Ca2Sn2Al(2+x)O(9+1.5...

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Bibliographic Details
Published in:Materials chemistry and physics 2024-12, Vol.328, p.129982, Article 129982
Main Authors: Luo, Yulu, Liu, Xiaotian, Zeng, Zehang, Qiao, Maolong, Liu, Zheyu, Li, Chengyun, Gong, Weiping, Wang, Ting, Du, Kang, Wang, Shengxiang
Format: Article
Language:English
Subjects:
Ca2Sn2Al2O9-Based ceramic
Compositions modulation
Microwave dielectric properties
Ultra-high Q×f
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Summary:The optimization of phase compositions and microwave dielectric properties in Ca(2+y)Sn2Al(2+x)O(9+1.5x + y) (−0.2 ≤ x ≤ 0.2, −0.2 ≤ y ≤ 0.2) ceramics were investigated. The change in Al content could inhibit the SnO2 second phase of Ca2Sn2Al2O9 ceramic, and the Al deficiency in Ca2Sn2Al(2+x)O(9+1.5x) (−0.2 ≤ x 
ISSN:0254-0584
DOI:10.1016/j.matchemphys.2024.129982