Analysis of Electrodeposited Nickel-Iron Alloy Film Composition Using Particle-Induced X-Ray Emission

Author:

Frey Alyssa A.12,Wozniak Nicholas R.1,Nagi Timothy B.1,Keller Matthew P.1,Lunderberg J. Mark13,Peaslee Graham F.4,DeYoung Paul A.1,Hampton Jennifer R.1ORCID

Affiliation:

1. Department of Physics, Hope College, Holland, MI 49423, USA

2. Department of Materials Science and Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA

3. Medical Scientist Training Program, The University of Chicago, Chicago, IL 60637, USA

4. Department of Chemistry, Hope College, Holland, MI 49423, USA

Abstract

The elemental composition of electrodeposited NiFe thin films was analyzed with particle-induced X-ray emission (PIXE). The thin films were electrodeposited on polycrystalline Au substrates from a 100 mM NiSO4, 10 mM FeSO4, 0.5 M H3BO3, and 1 M Na2SO4solution. PIXE spectra of these films were analyzed to obtain relative amounts of Ni and Fe as a function of deposition potential and deposition time. The results show that PIXE can measure the total deposited metal in a sample over at least four orders of magnitude with similar fractional uncertainties. The technique is also sensitive enough to observe the variations in alloy composition due to sample nonuniformity or variations in deposition parameters.

Funder

National Science Foundation

Publisher

Hindawi Limited

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