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2018 | 133 | 3 | 561-563
Article title

Effect of 1D Ordering on Magnetic Properties of Iron Nanoparticles coated by Silica Shell

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EN
Abstracts
EN
Peculiar magnetic properties of 1D arranged composite consisting of Fe nanoparticles coated by insulating SiO2 layer were studied. Silica layer promotes the self-organization of 4 nm iron nanoparticles to the chain-like structures. Magnetization study shows that prepared nanoparticles exhibit very strong inter-particle magnetic interactions, which lead to long-range ordering of nanoparticles magnetic moments. Magnetic properties show superferromagnetic behaviour. The low value of room temperature coercivity, the existence of electrical insulating silica layer and small size of iron nanoparticles favour studied material for potential usage in microelectronic devices designed for high voltage signals modulated by high frequencies.
Keywords
EN
Contributors
  • Department of Condensed Matter Physics, P.J. Šafárik University, Park Angelinum 9, Košice, Slovakia
  • Department of Condensed Matter Physics, P.J. Šafárik University, Park Angelinum 9, Košice, Slovakia
author
  • Department of Inorganic Chemistry, P.J. Šafárik University, Moyzesova 11, Košice, Slovakia
author
  • Institute of Experimental Physics, SAS, Watsonova 41, Košice, Slovakia
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv133n3p070kz
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