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Sintering behavior and dielectric properties of pyrochlore Pb2FeWO6.5

Published online by Cambridge University Press:  03 March 2011

Chung-Hsin Lu  and
Nobuyasu Mizutani
Chung-Hsin Lu
Affiliation:
Department of Chemical Engineering, National Taiwan University, Taipei, Taiwan, Republic of China
Nobuyasu Mizutani*
Affiliation:
Department of Inorganic Materials, Tokyo Institute of Technology, Tokyo 152, Japan
*
a)Author to whom all correspondence should be addressed.
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Abstract

Pyrochlore-type Pb2FeWO6.5 is difficult to be sintered without applied pressure at temperatures lower than its decomposition temperature. Through hot pressing or hot isostatic pressing processes, densification of specimens is greatly enhanced; moreover, grain growth during sintering is effectively suppressed. Densified Pb2FeWO6.5 exhibits paraelectric characteristic from −135°to −2 °C with low dielectric constants and low dissipation factors. The dielectric constants show rather weak dependence of temperature and frequency.

Information

Type
Rapid Communications
Information
Journal of Materials Research , Volume 9 , Issue 2 , February 1994 , pp. 266 - 269
Copyright
Copyright © Materials Research Society 1994

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References

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