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Wyświetlanie 1-3 z 3
Tytuł:
The Study of Magnetization in Strong Magnetic Fields for Alloys $Fe_{60}Co_{10}W_xNb_2Y_{8}B_{20-x}$ (x=0, 1)
Autorzy:
Garus, S.
Nabiałek, M.
Błoch, K.
Garus, J.
Powiązania:
https://bibliotekanauki.pl/articles/1375468.pdf
Data publikacji:
2014-10
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.50.-y
75.50.Kj
75.30.Ds
75.20.En
75.47.Np
75.50.Bb
75.60.Ej
Opis:
The study analyzed the influence of structural defects on the process of magnetization in the area called the approach to ferromagnetic saturation for bulk $Fe_{60}Co_{10}W_xNb_2Y_{8}B_{20-x}$ (x=0, 1) alloys. For this purpose, the magnetization studies were performed in the fields range of 0 T to 2 T using a LakeShore vibrating magnetometer. On the basis of the Kronmüller theory an analysis of the magnetization curves was conducted and the type of occurring structural defects in the studied alloys was established. Then, using a Monte Carlo method the effective anisotropy of the tested samples was designated.
Źródło:
Acta Physica Polonica A; 2014, 126, 4; 957-959
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Structural Relaxation in the Amorphous Alloys: FeMeMoCrNbB (where Me = Ni or Co)
Autorzy:
Rzącki, J.
Błoch, K.
Walters, S.
Powiązania:
https://bibliotekanauki.pl/articles/1032768.pdf
Data publikacji:
2017-04
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.50.-y
75.50.Kj
75.30.Ds
75.20.En
75.47.Np
75.50.Bb
75.60.Ej
Opis:
In this paper, the results of structural and magnetic investigations are presented for the following amorphous alloys: FeMeMoCrNbB (where Me = Ni or Co). The structural investigations were performed using X-ray diffractometry. It was found that the investigated samples were amorphous in the as-cast state. The magnetisation was measured within magnetic fields ranging from 0 to 1 T using a vibrating sample magnetometer. Investigation of the "magnetisation in the area close to ferromagnetic saturation" showed that the magnetisation process in strong magnetic fields is connected with the rotation of magnetic moments in the vicinity of defects, which are the sources of short-range stresses. Analysis of the high-field magnetization curves facilitated the calculation of the spin-wave stiffness parameter.
Źródło:
Acta Physica Polonica A; 2017, 131, 4; 720-722
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of 1% Addition of Nb and W on the Relaxation Process in Classical Fe-Based Amorphous Alloys
Autorzy:
Pietrusiewicz, P.
Błoch, K.
Nabiałek, M.
Walters, S.
Powiązania:
https://bibliotekanauki.pl/articles/1385746.pdf
Data publikacji:
2015-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.60.Lr
75.50.-y
75.50.Kj
75.30.Cr
61.43.Dq
76.80.+y
61.05.Qr
75.25.-j
Opis:
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.
Źródło:
Acta Physica Polonica A; 2015, 127, 2; 397-399
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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