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Title: Method for harvesting single crystals from a peritectic melt

A method of preparing single crystals. The method of preparation involves preparing precursor materials of a particular composition, heating the precursor material to achieve a peritectic mixture of peritectic liquid and crystals, cooling the peritectic mixture to quench directly the mixture on a porous, wettable inert substrate to wick off the peritectic liquid, leaving single crystals on the porous substrate. Alternatively, the peritectic mixture can be cooled to a solid mass and reheated on a porous, inert substrate to melt the matrix of peritectic fluid while leaving the crystals unmelted, allowing the wicking away of the peritectic liquid.
Inventors:
 [1];  [2];  [3]
  1. (Lemont, IL)
  2. (Columbus, OH)
  3. (Cincinnati, OH)
Issue Date:
OSTI Identifier:
870582
Assignee:
University of Chicago (Chicago, IL) ANL
Patent Number(s):
US 5549748
Contract Number:
W-31109-ENG-38
Research Org:
Argonne National Laboratory (ANL), Argonne, IL
Country of Publication:
United States
Language:
English
Subject:
method; harvesting; single; crystals; peritectic; melt; preparing; preparation; involves; precursor; materials; particular; composition; heating; material; achieve; mixture; liquid; cooling; quench; directly; porous; wettable; inert; substrate; wick; leaving; alternatively; cooled; solid; mass; reheated; matrix; fluid; unmelted; allowing; wicking; peritectic mixture; inert substrate; involves preparing; single crystal; single crystals; porous substrate; solid mass; precursor material; precursor materials; preparing single; particular composition; peritectic melt; preparation involves; preparing precursor; /117/