Ammonothermal Growth of Chalcogenide Single Crystal Materials

Abstract

Single crystals of binary and ternary compounds of alkaline earth and a chalcogen, with or without a transition element, are grown by: charging a reaction vessel with an alkaline earth chalcogenide, with or without a transition element or a halide thereof, an acidic mineralizer, and anhydrous ammonia to where the fill factor in the reaction vessel is 30-95%; sealing the reaction vessel to the outside atmosphere; heating the contents of the reaction vessel to a temperature of at least 300 deg C until single crystal materials visible to the eye form in the reaction vessel; cooling the contents of the reaction vessel; and extracting the single crystal materials from the reaction vessel.

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Document Details

Document Type
Technical Report
Publication Date
Nov 05, 1997
Accession Number
ADD018668

Entities

People

  • Andrew P Purdy

Organizations

  • United States Department of the Navy

Tags

Communities of Interest

  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Alkaline Earth Metals
  • Atmospheres
  • Crystal Structure
  • Crystals
  • Elements
  • Group 12 Elements
  • Group 16 Elements
  • High Pressure
  • Materials
  • Metals
  • Patent Applications
  • Pressure Vessels
  • Single Crystals
  • Solid Solutions
  • Temperature Gradients
  • Transition Metals
  • Transitions

Readers

  • Electrical Engineering
  • Materials Science and Engineering.