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X-Ray Absorption Spectroscopy Studies of Electrochemically Deposited Thin Oxide Films

Published online by Cambridge University Press:  10 February 2011

M. Balasubramanian ,
C. A. Melendres ,
A. N. Mansour  and
S. Mini
M. Balasubramanian
Affiliation:
Argonne National Laboratory, Argonne, IL 60439
C. A. Melendres
Affiliation:
Argonne National Laboratory, Argonne, IL 60439
A. N. Mansour
Affiliation:
Naval Surface Warfare Center, West Bethesda, MD 20817
S. Mini
Affiliation:
Northern Illinois University, DeKalb, IL 60115
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Abstract

We have utilized “in situ” X-ray Absorption Fine Structure Spectroscopy to investigate the structure and composition of thin oxide films of nickel and iron that have been prepared by electrodeposition on a graphite substrate from aqueous solutions. The films are generally disordered. Structural information has been obtained from the analysis of the data. We also present initial findings on the local structure of heavy metal ions, e.g. Sr and Ce, incorporated into the electrodeposited nickel oxide films. Our results are of importance in a number of technological applications, among them, batteries, fuel cells, electrochromic and ferroelectric materials, corrosion protection, as well as environmental speciation and remediation.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 524: Symposium V – Application of Synchrotron Radiation Techniques…IV , 1998 , 339
Copyright
Copyright © Materials Research Society 1998

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References

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