Temperature Behaviour of Hyperfine Magnetic Fields in a Fe-Co-Si-B-Mo-P Metallic Glass Followed with ⁵⁷Fe Mössbauer Spectrometry

• Authors: M. Cesnek , M. Miglierini , T. Kmječ , T. Kohout , N. Amini , D. Janičkovič , P. Matúš
• Languages of publication: EN

Abstracts

EN

Amorphous glass with nominal chemical composition Fe₅₁Co₁₂Si₁₆B₈Mo₅P₈ was studied by combination of the Mössbauer spectroscopy and magnetic measurements in order to characterize magnetic and structural features. Temperature evolution of the Mössbauer spectra revealed presence of broad distribution of hyperfine magnetic field at lower temperatures which vanishes with increase of temperature. The Curie temperature estimated from the Mössbauer spectroscopy experiments is T_{C} ≈ 392 K. This value is in a good agreement with that obtained by magnetic measurements (T_{C}=397 K). The Mössbauer spectroscopy spectra of the sample annealed at 823 K revealed a presence of crystalline components. This temperature is notably lower than the expected temperature of the onset of crystallization observed by differential scanning calorimetry ( ≈ 835 K).

Keywords

EN

75.50.Kj; 75.60.Ej; 75.75.-c; 76.80.+y

Discipline

• 75.75.-c: Magnetic properties of nanostructures
• 76.80.+y: Mössbauer effect; other γ-ray spectroscopy(see also 33.45.+x Mössbauer spectra—in atomic and molecular physics; for biophysical applications, see 87.64.kx; for chemical analysis applications, see 82.80.Ej)
• 75.60.Ej: Magnetization curves, hysteresis, Barkhausen and related effects(for hysteresis in ferroelectricity, see 77.80.Dj)
• 75.50.Kj: Amorphous and quasicrystalline magnetic materials

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2017
• Volume: 131
• Issue: 4
• Pages: 744-746

Dates

published

2017-04

Contributors

author

M. Cesnek

• Department of Nuclear Reactors, Czech Technical University, V Holešovičkách 2, 180 00 Praha, Czechia

author

M. Miglierini

• Department of Nuclear Reactors, Czech Technical University, V Holešovičkách 2, 180 00 Praha, Czechia
• Slovak University of Technology in Bratislava, Ilkovičova 3, 812 19 Bratislava, Slovakia

author

T. Kmječ

• Charles University in Prague, Faculty of Mathematics and Physics, V Holešovičkách 2, 180 00 Prague, Czechia

author

T. Kohout

• Charles University in Prague, Faculty of Mathematics and Physics, V Holešovičkách 2, 180 00 Prague, Czechia

author

N. Amini

• Slovak University of Technology in Bratislava, Ilkovičova 3, 812 19 Bratislava, Slovakia
• Department of Physics, Bu-Ali Sina University, 65174-4161, Hamedan, Iran

author

D. Janičkovič

• Institute of Physics, Slovak Academy of Sciences, Dúbravská cesta 9, 845 11 Bratislava, Slovakia

author

P. Matúš

• Institute of Laboratory Research on Geomaterials, Faculty of Natural Sciences, Comenius University in Bratislava, Ilkovičova 6, 842 15 Bratislava, Slovakia

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Identifiers

DOI

10.12693/APhysPolA.131.744