Microstructure and Magnetic Properties of the Classical Amorphous Alloys: Fe₆₁Co₁₀Y₈Me₁B₂₀ (where Me = W, Mo)

• Authors: P. Pietrusiewicz , M. Nabiałek
• Languages of publication: EN

Abstracts

EN

A study has been conducted into the effects of substituting small quantities of alloying elements (tungsten and molybdenum) on the structure and magnetic properties of classical amorphous alloys that are based on the formula: Fe₆₁Co₁₀Y₈Me₁B₂₀. The structure of the resulting alloy samples was examined using X-ray diffraction, Mössbauer spectroscopy, and scanning electron microscopy. Based on the results of these studies, it was found that the obtained alloys were amorphous. Images from the scanning electron microscope were typical for amorphous materials. Cross-sectional images were homogeneous and did not contain "vein- and scale-type" precipitations. Studies examining the magnetic properties of the samples were carried out using a vibrating sample magnetometer. It was found that the alloy featuring the addition of tungsten exhibited a significantly greater saturation of magnetization and a substantially lower coercivity. This resulted from the fact that the atomic radius of tungsten is much larger than that of molybdenum, resulting in increased difference between the atomic constituents of the alloy; This, in turn, improves the glass-forming ability.

Keywords

EN

75.50.Kj; 75.50.Bb; 75.50.Lk; 75.50.-y; 61.43.Dq; 61.43.-j; 68.37.Hk; 75.70.Ak

Discipline

• 61.43.-j: Disordered solids(see also 81.05.Gc Amorphous semiconductors, 81.05.Kf Glasses, and 81.05.Rm Porous materials; granular materials in materials science; for photoluminescence of disordered solids, see 78.55.Mb and 78.55.Qr)
• 75.70.Ak: Magnetic properties of monolayers and thin films
• 75.50.-y: Studies of specific magnetic materials
• 68.37.Hk: Scanning electron microscopy (SEM) (including EBIC)
• 75.50.Lk: Spin glasses and other random magnets
• 75.50.Kj: Amorphous and quasicrystalline magnetic materials
• 75.50.Bb: Fe and its alloys
• 61.43.Dq: Amorphous semiconductors, metals, and alloys

• Journal: Acta Physica Polonica A
• Year: 2016
• Volume: 130
• Issue: 4
• Pages: 920-922

Dates

published

2016-10

Contributors

author

P. Pietrusiewicz

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

author

M. Nabiałek

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

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Identifiers

DOI

10.12693/APhysPolA.130.920