Design and Fabrication of a Furnace for High-Temperature Neutron Powder Diffraction Measurements, and Structural Study of Ceramic Materials.

  • YASHIMA Masatomo
    Department of Materials Science and Engineering, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology

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  • 高温中性子粉末回折装置の開発とセラミック材料の結晶構造の研究
  • コウオン チュウセイシ フンマツ カイセツ ソウチ ノ カイハツ ト セラミックス ザイリョウ ノ ケッショウ コウゾウ ノ ケンキュウ

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Abstract

We have designed and fabricated a new furnace for high-temperature neutron-diffraction measurements. The furnace does not yield any extra peaks due to heaters and refractory, thus we were able to measure very small neutron signals from the sample. Quality neutron diffraction data at high temperatures up to about 1590 °C were analyzed by Rietveld method for various materials as zirconia and calcium titanate.

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