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2008 | 113 | 1 | 63-66
Article title

Influence of Cobalt Substitution on Hyperfine Interactions in (Fe_{1-x}Co_x)_{76}Mo_8Cu_1B_{15} Alloys

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EN
Abstracts
EN
The effect of cobalt substitution on structure, magnetic behaviour, magnetic arrangement, and hyperfine interactions in (Fe_{1-x}Co_x)_{76}Mo_8Cu_1B_{15} (x = 0, 0.1, 0.2, 0.25, 0.5) is studied by the Mössbauer spectrometry for both as-quenched and annealed alloys. Partial substitution of Fe by Co resulted in an enhancement of the average value of hyperfine magnetic field distributions as a function of x probably due to higher magnetic moment of Co. After annealing, a two-phase nanocrystalline structure composed of amorphous matrix and bcc-FeCo nanocrystallites was observed. Mössbauer spectra were fitted with up to four six-line patterns of narrow lines assigned to different number of Co nearest neighbours inside a bcc-FeCo lattice.
Keywords
EN
Contributors
author
  • Department of Nuclear Physics and Technology, Slovak University of Technology, IlkoviČova 3, 812 19 Bratislava, Slovakia
  • Inst. Inorganic Chemistry AS CR, v. v. i., 250 68 Řež, Czech Republic
author
  • Department of Nuclear Physics and Technology, Slovak University of Technology, IlkoviČova 3, 812 19 Bratislava, Slovakia
  • Nanomaterials Research Centre, 771 46 Olomouc, Czech Republic
author
  • Inst. Inorganic Chemistry AS CR, v. v. i. , 250 68 Řež, Czech Republic
author
  • Institute of Physics, Slovak Academy of Sciences, Dúbravská cesta 9, 845 11 Bratislava, Slovakia
author
  • Institute of Physics, Slovak Academy of Sciences, Dúbravská cesta 9, 845 11 Bratislava, Slovakia
References
  • 1. M. Miglierini, J. Degmova, T. Kanuch, J.-M. Greneche, Properties and Applications of Nanocrystalline Alloys from Amorphous Precursors, Kluwer Academic, 2005, p. 421
  • 2. C.F. Conde, A. Conde, D. Janickovic, P. Svec, J. Magn. Magn. Mater. 304, e739 (2006)
  • 3. M. E. McHenry, M.A. Willard, D.E. Laughlin, Prog. Mater. Sci. 44, 291 (1999)
  • 4. J. S. Blazquez, C.F. Conde, A. Conde, J.M. Greneche, J. Alloy Comp. 397, 173 (2005)
  • 5. J. S. Blazquez, A. Conde, J.M. Greneche, Appl. Phys. Lett. 81, 1612 (2006)
  • 6. B. DeMayo, D.W. Forester, S. Spooner, J. Appl. Phys. 41, 1319 (2007)
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv113n1015kz
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