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The Chemical Vapor Deposoitin of Pure Nickel and Nickel Boride Thin Films from Borane Cluster Compounds

Published online by Cambridge University Press:  15 February 2011

Shreyas Kher  and
James T. Spencer
Shreyas Kher
Affiliation:
Department of Chemistry and the Center for Molecular Electronics, Syracuse University, Syracuse, New York 13244-4100
James T. Spencer
Affiliation:
Department of Chemistry and the Center for Molecular Electronics, Syracuse University, Syracuse, New York 13244-4100
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Abstract

Several borane cluster compounds, such as pentaborane(9) and their corresponding metal complexes have been investigated in our laboratory for their utility as unique source materials for synthesizing metal/metal boride thin films by MOCVD. In this paper we report the preparation of thin films of nickel boride from the thermal decomposition of nido- pentaborane( 9) in the presence of anhydrous nickel chloride [NiCl2] in the vapor phase. Crystalline nickel boride thin films of controlled composition ranging from 0.1 to several microns have been readily prepared by controlling the temperature and the flow rate of the pentaborane(9) into the reaction chamber. The nickel boride films on GaAs were thermally annealed to form the Ni7B3 phase as hexagonal crystals in a Ni3B matrix. These films have been characterized by AA, AES, EDXA, SEM, XRD and electron diffraction. The phases were determined primarily by X-ray and electron diffraction experiments.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 250: Symposium R – Chemical Vapor Deposition of Refractory Metals and Ceramics II , 1991 , 311
Copyright
Copyright © Materials Research Society 1992

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