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A new microwave dielectric ceramics based on the solid solution system between Ba(Ni1/3Nb2/3)O3 and Ba(Zn1/3Nb2/3)O3

Published online by Cambridge University Press:  31 January 2011

Seo-Yong Cho ,
Hyuk-Joon Youn ,
Kug-Sun Hong ,
In-Tae Kim  and
Yoon-Ho Kim
Seo-Yong Cho
Affiliation:
Department of Inorganic Materials Engineering, Seoul National University, Seoul, Korea 151–742
Hyuk-Joon Youn
Affiliation:
Department of Inorganic Materials Engineering, Seoul National University, Seoul, Korea 151–742
Kug-Sun Hong
Affiliation:
Department of Inorganic Materials Engineering, Seoul National University, Seoul, Korea 151–742
In-Tae Kim
Affiliation:
Ceramics Division, Korea Institute of Science and Technology, P.O. Box 131, Cheongryang, Seoul, Korea
Yoon-Ho Kim
Affiliation:
Ceramics Division, Korea Institute of Science and Technology, P.O. Box 131, Cheongryang, Seoul, Korea
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Abstract

Microwave dielectric properties of the solid solution between Ba(Ni1/3Nb2/3)O3 and Ba(Zn1/3Nb2/3)O3 were investigated. Samples were prepared by the conventional mixed oxide method as well as the Pechini method. Sintered samples were analyzed using x-ray diffraction and scanning electron microscopy, and their microwave dielectric properties were measured by the post resonator method. The sample prepared by the Pechini method revealed excellent dielectric properties, i.e., permittivity of 35.6, quality factor of 5700 at 10 GHz, and very small temperature coefficient of resonant frequency. Order-disorder behavior of this solid solution system was found to depend on processing parameters. Variation in microwave dielectric properties was discussed in terms of the order-disorder behavior, chemical composition, mixture rule, etc.

Type
Articles
Information
Journal of Materials Research , Volume 12 , Issue 6 , June 1997 , pp. 1558 - 1562
Copyright
Copyright © Materials Research Society 1997

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