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Fabrication of Dispersed Permalloy Nanoparticles by Pulsed Laser Ablation in Aqua

Published online by Cambridge University Press:  15 March 2011

Ruqiang Bao ,
Zijie Yan ,
Yong Huang  and
Douglas B. Chrisey
Ruqiang Bao
Affiliation:
Department of Materials Science and Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
Zijie Yan
Affiliation:
Department of Materials Science and Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
Yong Huang
Affiliation:
Department of Mechanical Engineering, Clemson University, Clemson, SC 29634, USA
Douglas B. Chrisey
Affiliation:
Department of Materials Science and Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
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Abstract

Permalloy (Ni81Fe19) nanoparticles with diameters of hundreds of nanometers have been successfully fabricated by pulsed laser ablation (PLA) in air, distilled water, pure ethanol and sodium dodecyl sulfate (SDS) aqueous solutions. The permalloy nanoparticles made in SDS solutions are typically spherical in shape. Lower laser energy with lower frequency leads to the formation of smaller permalloy nanoparticles. Higher concentration of SDS results in smaller nanoparticles. Lastly, we found some unusual permalloy nanoparticles with interesting morphologies made by PLA in air, distilled water and ethanol.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1118: Symposium K – Magnetic Nanostructures by Design , 2008 , 1118-K02-08
Copyright
Copyright © Materials Research Society 2009

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References

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