Influence of 1% Addition of Nb and W on the Relaxation Process in Classical Fe-Based Amorphous Alloys

• Authors: P. Pietrusiewicz , K. Błoch , M. Nabiałek , S. Walters
• Languages of publication: EN

Abstracts

EN

This paper features investigations into the influence of small additions of alloying elements on: structure, as well as the temporal and thermal stability of magnetic properties, and the disaccommodation effect, for the following amorphous alloys: Fe₆₁Co₁₀Y₈Me₁B₂₀ (where Me = Nb, W). The structure of the investigated samples has been confirmed by the Mössbauer spectroscopy. The obtained results indicate a strong correlation between the structure and the disaccommodation of the studied alloys. The Mössbauer studies reveal different configurations of atoms in the amorphous alloy samples, and the results indicate various potential barriers between orientations of atom pairs. For this reason, to describe the disaccommodation effect, the distribution of activation energy should be taken into account. The distribution of activation energy has been related to the distribution of relaxation times.

Keywords

EN

75.60.Lr; 75.50.-y; 75.50.Kj; 75.30.Cr; 61.43.Dq; 76.80.+y; 61.05.Qr; 75.25.-j

Discipline

• 75.30.Cr: Saturation moments and magnetic susceptibilities
• 75.50.-y: Studies of specific magnetic materials
• 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.Lr: Magnetic aftereffects
• 61.05.Qr: Magnetic resonance techniques; Mössbauer spectroscopy (for structure determination only)
• 75.50.Kj: Amorphous and quasicrystalline magnetic materials
• 75.25.-j: Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source x-ray scattering, etc.)(for devices exploiting spin polarized transport, see 85.75.-d)
• 61.43.Dq: Amorphous semiconductors, metals, and alloys

• Journal: Acta Physica Polonica A
• Year: 2015
• Volume: 127
• Issue: 2
• Pages: 397-399

Dates

published

2015-02

Contributors

author

P. Pietrusiewicz

• Institute of Physics, Częstochowa University of Technology, Faculty of Production Engineering and Materials Technology, al. Armii Krajowej 19, 42-200 Częstochowa, Poland

author

K. Błoch

• Institute of Physics, Częstochowa University of Technology, Faculty of Production Engineering and Materials Technology, al. Armii Krajowej 19, 42-200 Częstochowa, Poland

author

M. Nabiałek

• Institute of Physics, Częstochowa University of Technology, Faculty of Production Engineering and Materials Technology, al. Armii Krajowej 19, 42-200 Częstochowa, Poland

author

S. Walters

• School of Computing, Engineering and Mathematics, University of Brighton, Cockcroft Building, Lewes Road, Moulsecoomb, Brighton BN2 4GJ, United Kingdom

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Identifiers

DOI

10.12693/APhysPolA.127.397