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Proton Beam Irradiation Effects on Magnetic Nanocomposites

Published online by Cambridge University Press:  01 February 2011

M. Chipara ,
M. J. Zaleski ,
D. Hui ,
D. L. Pelecky  and
S. Balascuta
M. Chipara
Affiliation:
Indiana University Cyclotron Facility, Bloomington, IN.
M. J. Zaleski
Affiliation:
Chemistry Department, Indiana University, Bloomington, IN.
D. Hui
Affiliation:
University of New Orleans.
D. L. Pelecky
Affiliation:
Physics Department, University of Nebraska, Lincoln, NE.
S. Balascuta
Affiliation:
Physics Department, Indiana University, Bloomington, IN.
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Abstract

A magnetic nanocomposite material has been obtained by dispersing ball milled magnetic nanoparticles of barium ferrite within a styrene- isoprene- styrene block copolymer, sonicating the solution, and spin coating it onto a quartz crystal. Ferromagnetic resonance spectra of pristine and irradiated magnetic nanocomposites are reported. Although the flux of incoming protons was not large, modifications in the ferromagnetic resonance spectra were noticed. This suggests that the future ultra high-density media would present an enhanced sensitivity to the radiation component of the space environment.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 792: Symposium R – Radiation Effects and Ion Beam Processing of Materials , 2003 , R3.25
Copyright
Copyright © Materials Research Society 2004

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References

REFERENCES

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