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The Effect of Ge, Ni, and Fe Doping on the Ga Activity in the CoGa B2 Phase

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Summary.

Gallium activity in the B2 (CsCl-type) phase of ternary Co–Ga–X (X = Ge, Ni, and Fe) alloys was measured by the EMF method with a stabilized zirconia solid electrolyte. The temperature range was 1050–1250 K and the concentrations of the added elements were 2–6 at-% Ge and Ni, and 1–3 at-% Fe. The reference electrodes were Fe,Fe x O or Ga,Ga2O3. The effect on the activity of gallium in the B2 phase with the addition of other elements was found to be the largest with Ge and the smallest in the case of Ni.

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Authors and Affiliations

  1. Dept. Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, 565-0871, Suita, Osaka, Japan

    Iwao Katayama

  2. Dept. Inorganic Chemistry–Materials Chemistry, University of Vienna, A-1090, Vienna, Austria

    Adolf Mikula

  3. Faculty of Engineering, Dept. of Materials Sci. & Engineering, Kansai University, 3-3-35 Yamate-cho, 564-8680, Suita, Osaka, Japan

    Toshio Oishi

Authors
  1. Iwao Katayama
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  2. Adolf Mikula
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  3. Toshio Oishi
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Correspondence to Iwao Katayama.

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Katayama, I., Mikula, A. & Oishi, T. The Effect of Ge, Ni, and Fe Doping on the Ga Activity in the CoGa B2 Phase. Monatsh. Chem. 136, 1715–1725 (2005). https://doi.org/10.1007/s00706-005-0359-y

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  • DOI: https://doi.org/10.1007/s00706-005-0359-y

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