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Materials Discovery by Crystal Growth

Published online by Cambridge University Press:  26 February 2011

Samuel J. Mugavero III ,
William R Gemmill  and
Hans-Conrad zur Loye
Samuel J. Mugavero III
Affiliation:
mugavero@mail.chem.sc.edu, University of South Carolina, Chemistry & Biochemistry, 631 Sumter Street, Columbia, SC, 29208, United States
William R Gemmill
Affiliation:
gemmill@mail.chem.sc.edu, University of South Carolina, Chemistry & Biochemistry, 631 Sumter Street, Columbia, SC, 29208, United States
Hans-Conrad zur Loye
Affiliation:
zurloye@Mail.chem.sc.edu, University of South Carolina, Chemistry & Biochemistry, 631 Sumter Street, Columbia, SC, 29208, United States
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Abstract

The growth of new phases out of high temperature hydroxide solutions as a means of discovering new materials is discussed. We have succeeded in solubilizing rare earth cations and platinum group metal cations in molten hydroxides and have grown single crystals with a large number of new compositions and new structure types. The use of sealed silver tubes has enabled us to control the water content and, hence, the acidity of the hydroxide melts, and thereby to grow crystals via slow cooling. The synthetic conditions and structures of several new oxides including Ln1-xNa1+xIrO4 (Ln = Gd-Er, Y; x = 0.04-0.26), Ln3RuO7 (Ln = La, Sm, Eu), LnNaPd6O8 (Ln = Tb-Lu, Y) and La9RbIr4O24 are presented.

Keywords

crystal growthflux growthoxide
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 988: Symposium QQ – Solid-State Chemistry of Inorganic Materials VI , 2006 , 0988-QQ07-10
Copyright
Copyright © Materials Research Society 2007

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