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Title: Methods for manufacturing monocrystalline or near-monocrystalline cast materials

Methods are provided for casting one or more of a semiconductor, an oxide, and an intermetallic material. With such methods, a cast body of a monocrystalline form of the one or more of a semiconductor, an oxide, and an intermetallic material may be formed that is free of, or substantially free of, radially-distributed impurities and defects and having at least two dimensions that are each at least about 35 cm.
Inventors:
Issue Date:
OSTI Identifier:
1130084
Assignee:
AMG IdealCast Solar Corporation (Wayne, PA) NREL
Patent Number(s):
8,709,154
Application Number:
12/670,212
Contract Number:
AC36-98GO10337
Resource Relation:
Patent File Date: 2008 Jul 23
Research Org:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Works referenced in this record:

Directionally solidified solar-grade silicon using carbon crucibles
journal, April 1979

Electromagnetic continuous pulling process compared to current casting processes with respect to solidification characteristics
journal, April 2002

Growth of multicrystalline Si with controlled grain boundary configuration by the floating zone technique
journal, July 2005
  • Kitamura, Masayuki; Usami, Noritaka; Sugawara, Takamasa
  • Journal of Crystal Growth, Vol. 280, Issue 3-4, p. 419-424
  • DOI: 10.1016/j.jcrysgro.2005.04.049

Development of a rapid solidification process with a double-roller method
journal, February 1988