Improved method for preparing rare earth sesquichalcogenides
Description:
An improved method for the preparation of high purity rare earth sesquichalcogenides is described. The rare earth, as one or more pieces of the metal, is sealed under a vacuum with a stoichiometric amount of sulfur or selenium and a small amount of iodine into a quartz reaction vessel. The sealed vessel is then heated to above the vaporization temperature of the chalcogen and below the melting temperature of the rare earth metal and maintained until the product has been formed. The iodine is th…
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Date:
April 14, 1982
Creator:
Takeshita, Takuo; Beaudry, Bernard J. & Gschneidner, Karl A., Jr.
Partner:
UNT Libraries Government Documents Department