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Sintering behavior and dielectric properties of pyrochlore Pb2FeWO6.5

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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.

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Authors and Affiliations

  1. Department of Chemical Engineering, National Taiwan University, Taipei, Taiwan, Republic of China

    Chung-Hsin Lu

  2. Department of Inorganic Materials, Tokyo Institute of Technology, Tokyo, 152, Japan

    Nobuyasu Mizutani

Authors
  1. Chung-Hsin Lu
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  2. Nobuyasu Mizutani
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Lu, CH., Mizutani, N. Sintering behavior and dielectric properties of pyrochlore Pb2FeWO6.5. Journal of Materials Research 9, 266–269 (1994). https://doi.org/10.1557/JMR.1994.0266

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  • DOI: https://doi.org/10.1557/JMR.1994.0266

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