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The Use of Superlattice Reactants in The Synthesis of Ternary CU‐NB‐SE Compounds

Published online by Cambridge University Press:  21 February 2011

Marc D. Hornbostel ,
Masafumi Fukuto  and
David C. Johnson
Marc D. Hornbostel
Affiliation:
Department of Chemistry and Materials Science Institute, University of Oregon, Eugene, Oregon 97403
Masafumi Fukuto
Affiliation:
Department of Chemistry and Materials Science Institute, University of Oregon, Eugene, Oregon 97403
David C. Johnson
Affiliation:
Department of Chemistry and Materials Science Institute, University of Oregon, Eugene, Oregon 97403
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Abstract

The low temperature interdiffusion of superlattice reactants of the binary systems niobium‐selenium and copper‐selenium and the ternary copper‐niobium‐selenium were explored to synthesize amorphous reaction intermediates. Controlled crystallization of this intermediate, which depends upon nucleation energetics rather than the thermodynamic stability of the final product, was used as we attempted to prepare ternary niobium cluster compounds. We present data demonstrating the ability to prepare amorphous ternary intermediates without the formation of crystalline binary compounds as reaction intermediates. Crystallization of the amorphous intermediate resulted in the formation of known ternary compounds directly, also without the formation of binary compounds.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 346: Symposium N – Better Ceramics Through Chemistry VI , 1994 , 75
Copyright
Copyright © Materials Research Society 1998

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References

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