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Thermodynamic properties of nickel—selenium alloys

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Abstract

Vapor pressures of selenium in nickel—selenium alloys were determined by an isopiestic method between 450° and 1000°C and between 45 and 66.6 at% Se. Activities of selenium were evaluated according to three methods. For the NiAs-type Ni1−x Se phase a statistical model was applied assuming random distribution of metal atoms and metal vacancies in the partially vacant (00 1/2) layers of the lattice. Good agreement between experimental and theoretical values was obtained. The interaction energy between nickel vacancies was found to be 8600 cal/g-atom.

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Dedicated to Prof.O. Hoffmann-Ostenhof on the occasion of his 60th birthday.

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Jelinek, H., Komarek, K.L. Thermodynamic properties of nickel—selenium alloys. Monatshefte für Chemie 105, 917–933 (1974). https://doi.org/10.1007/BF00910257

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Keywords

  • Physical Chemistry
  • Nickel
  • Analytical Chemistry
  • Inorganic Chemistry
  • Organic Chemistry