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Title of Journal: J Supercond Nov Magn

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Abbravation: Journal of Superconductivity and Novel Magnetism

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Springer US

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DOI

10.1002/cjce.5450650327

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ISSN

1557-1947

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Properties of Dense Assemblies of Magnetic Nanopar

Authors: N A Usov S A Gudoshnikov O N Serebryakova M L FdezGubieda A Muela J M Barandiarán
Publish Date: 2012/12/20
Volume: 26, Issue: 4, Pages: 1079-1083
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Abstract

Chemically synthesized iron oxide nanoparticles and magnetosomes produced by magnetotactic bacteria are of great importance for application in biomedicine In this paper we discuss the complicated magnetic anisotropy of the nanoparticles the influence of the magnetostatic interactions and thermal fluctuations on the behavior of these assemblies Numerical simulation for dilute assemblies of iron oxide nanoparticles with combined magnetic anisotropy show that the uniaxial shape anisotropy dominates even for small aspect ratios of the particle L/D≥11–12 The quasistatic hysteresis loops are calculated for various clusters of bacterial magnetosomes with diameters D=40–60 nm to understand the influence of magnetostatic interactions The specific absorption rate SAR is calculated for assemblies of magnetic nanoparticles dispersed in solid and liquid media A new electrodynamic method of measurement is used to obtain the SAR of the assembly of bacterial magnetosomes with average diameter D=48 nm

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  8. Stability Study of Mg and Al Doped and Co Doped ZnO Hydrides by Ab Initio Calculations
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  12. A Compact Treatment of Singular Impurities Using the Artificial Friedel Resonance (FAIR) Technique
  13. The Superconducting Magnetoresistance Effect in Ni 80 Fe 20 –Nb–Ni 80 Fe 20 and Co–Nb–Co Trilayers: Requisites for Tailoring its Magnitude
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  15. Magnetic Properties of CuTi 2−2 x Cr 2 x S 4 Materials
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