Investigation of double oxides in the system of Pr2O3-WO3

Toshiharu Shimazaki, Toshinari Yamazaki, Kiyoshi Terayama, Takayoshi Ishiguro, Masahiro Yoshimura

研究成果: Article同行評審

9 引文 斯高帕斯(Scopus)

摘要

Powdered samples composed of Pr2O3 and WO3 in various mixing mole ratios were heat-treated in an air flow or in an N2 gas flow at 1000°C. The phases formed in the samples were investigated by XRD. Single phases of the five double oxides of the mole ratios Pr2O3:WO3 of 1:4.4, 1:3, 1:2, 1:1, and 5:2 were obtained at the respective mixing mole ratios by a reaction in air. The single phase of 3:1 oxide, which was reported to be obtained in a vacuum or an Ar atmosphere, was not obtained by a heat treatment in air but rather by a reaction in an N2 atmosphere. Furthermore, the crystal system and the lattice parameters were determined for the double oxides with the mole ratios of 1:4.4, 1:3, 1:1, and 5:2.

原文English
頁(從 - 到)112-118
頁數7
期刊Journal of Alloys and Compounds
285
發行號1-2 Complete
DOIs
出版狀態Published - 1999 6月 30

All Science Journal Classification (ASJC) codes

  • 材料力學
  • 機械工業
  • 金屬和合金
  • 材料化學

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