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Crystal structure and microwave dielectric properties of M(NbxTa1−x)2O6 solid solution (M = Mg or Zn)

Published online by Cambridge University Press:  31 January 2011

Hyo-Jong Lee ,
Kug-Sun Hong  and
In-Tae Kim
Hyo-Jong Lee
Affiliation:
School of Materials Science & Engineering, College of Engineering, Seoul National University, Seoul 151-742, Korea
Kug-Sun Hong
Affiliation:
School of Materials Science & Engineering, College of Engineering, Seoul National University, Seoul 151-742, Korea
In-Tae Kim
Affiliation:
Ceramics Division, Korea Institute of Science and Technology, P.O. Box 131, Cheongryang, Seoul, Korea
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Abstract

The microwave dielectric characteristics and crystal structure of the Zn(NbxTa1−x)2O6 and Mg(NbxTa1−x)2O6 systems have been investigated. It was found that both systems exhibited a morphotropic phase transition. Based on the results it was suggested that permittivity and temperature coefficient of resonant frequency depend more on crystal structure rather than on chemical composition. It was also suggested that a two-phase mixture is better than a solid solution for achieving both high quality factor and good temperature stability.

Type
Articles
Information
Journal of Materials Research , Volume 12 , Issue 6 , June 1997 , pp. 1437 - 1440
Copyright
Copyright © Materials Research Society 1997

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References

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