Magnetic properties of Co, Ni, Pt and their alloy nanoparticles formed in SiO2 by ion beam synthesis
Date
2011
Authors
Malik, Anwaar
Hutchison, Wayne
Nishimura, K
Elliman, Robert
Journal Title
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Volume Title
Publisher
Elsevier
Abstract
Nanoparticles of metallic platinum, nickel, cobalt and a Co-Pt alloy have been synthesized within a 100 nm silica film by ion implantation and thermal annealing. The spatial distribution, size and structure of the resulting nanoparticles are shown to depend on the specific metal species, even for chemically similar metals such as Co and Ni. Dual implantation with Co and Pt is further shown to be an effective means of producing Co-Pt alloy nanoparticles, with the alloy nanoparticles exhibiting a higher magnetic remanence and coercivity than Co or Pt nanoparticles alone.
Description
Keywords
Keywords: Alloy nanoparticle; CoPt alloys; Ion beam synthesis; Magnetic properties of co; Magnetic remanence; Metal species; Pt nanoparticles; Silica film; Thermal-annealing; Alloys; Cobalt; Ion implantation; Magnetic properties; Nanomagnetics; Nanoparticles; Plati
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Source
Nuclear Instruments and Methods in Physics Research Section B 272: ION BEAM MODIFICATION OF MATERIALS. Proceedings of the 17th International Conference on Ion Beam Modification of Materials (IBMM 2010)
Type
Conference paper
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2037-12-31