Structural and Magnetic States of Fe100-Zr  (x=6-13 at.%) Films: Peculiarities Verified by X-Ray Diffraction, Mössbauer and Magneto-optical Spectroscopies, and Magnetometry

Sheftel, E.N.; Rusakov, V.S.; Gan’shina, E.A.; Harin, E.V.; Tedzhetov, V.A.; Gridin, D.M.; Gapochka, A.M.; Pripechenkov, I.M.; Granovsky, A.B.

Авторы: Sheftel E.N., Rusakov V.S., Gan’shina E.A., Harin E.V., Tedzhetov V.A., Gridin D.M., Gapochka A.M., Pripechenkov I.M., Granovsky A.B.
Журнал: Journal of Alloys and Compounds
Год издания: 2025
Издательство: Elsevier BV
Местоположение издательства: Netherlands
Номер статьи: 179203
DOI: 10.1016/j.jallcom.2025.179203
Аннотация: The Fe(100-x)Zr(x) (with x = 6-13 at.%) films are formed on glass-ceramic substrates by ion-beam deposition. The structural and magnetic states of the films were analyzed using X-ray diffraction, Mössbauer and magneto-optical (based on transverse Kerr effect) spectroscopy, and magnetometry. All measurements were performed at room temperature for as-deposited films and the films annealed at 300 and 500°С. Analysis of the whole set of obtained data shows that a mixed (nanocrystalline + amorphous) structure forms in the films. The nanocrystalline phase is the Zr solid solution in α-Fe, α-Fe(Zr). The as-deposited films with the high Zr content (х > 8.3 at.%) are characterized by dominant amorphous constituent, whereas the films with х ≤ 7.1 at.% are nanocrystalline and characterized by a very low content of the amorphous constituent. Since, at room temperature, the α-Fe(Zr) phase is ferromagnetic and the amorphous one is paramagnetic, the magnetic properties of the films in the as-deposited and annealed states are determined by relative content of these structural constituents and by Zr content in the α-Fe(Zr) phase. This fact explains abrupt changes in the magnetic properties of the as-deposited films when x changes from 7.1 to 8.3 at.% and an increase in the magnetization of the films with x > 8.3 at.% after the annealing at 500°С leading to an increase in the nanocrystalline phase content.
Добавил в систему: Грановский Александр Борисович

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Structural and Magnetic States of Fe100-Zr (x=6-13 at.%) Films: Peculiarities Verified by X-Ray Diffraction, Mössbauer and Magneto-optical Spectroscopies, and Magnetometryстатья

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