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Difference in Ordering Ability Between Ca(Al1/2Nb1/2)O3 and Ca(Fe1/2Nb1/2)O3

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Abstract:

Ca(Al1/2Nb1/2)O3 (CAN) and Ca(Fe1/2Nb1/2)O3 (CFN) were prepared by solid reaction route. With the sintering temperature increased, the Q×f value of CAN changes from 7 200 to 17 500 GHz due to the changing of the ordering degree, whereas, the dielectric constant and Q×f value of CFN decrease remarkably without structural changing. The reason of this phenomenon is that the difference in size of two B-site ions in CAN is larger than that in CFN. As a result, the ordering degree of CAN is more sensitive to the conditions of sample preparation, compared with CFN.

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Periodical:

Key Engineering Materials (Volumes 368-372)

Pages:

144-146

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.368-372.144

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Cite this paper

Online since:

February 2008

Authors:

Jie Shen, Jing Zhou, Jie Zhu, Wen Chen

Keywords:

B-Site Ions Ordering, Complex Pervskites, Microwave Dielectric Properties

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