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- Title
Fractal magnetic microstructure in the (Co<sub>41</sub>Fe<sub>39</sub>B<sub>20</sub>)<sub>x</sub>(SiO<sub>2</sub>)<sub>1− x </sub> nanocomposite films.
- Authors
Iskhakov, R. S.; Komogortsev, S. V.; Denisova, E. A.; Kalinin, Yu. E.; Sitnikov, A. V.
- Abstract
Magnetostructural methods are applied to determine the exchange bond percolation limit in (Co41Fe39B20)x(SiO2)1− x nanocomposites ( x c = 0.30 ± 0.02), which separates the phase plane along the metal concentration axis into a superparamagnetic region and a ferromagnetic region. It is shown that, with respect to the singularities of the magnetization up to the magnetization saturation curves, the ferromagnetic region is further subdivided into three regions differing in the character of the spatial propagation of the magnetization ripples or in the magnetic correlation function characteristics. The fractal dimension of the nanocomposite magnetic microstructure near the percolation threshold is determined.
- Subjects
COBALT compounds; PERCOLATION; COMPOSITE materials; FERROMAGNETIC materials; MAGNETIZATION
- Publication
JETP Letters, 2007, Vol 86, Issue 7, p465
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/S0021364007190083