Ferromagnetic and spin wave resonances in thin layer of expanded austenite phase

• Autorzy: Typek J. , Guskos N , Zolnierkiewicz G. , Berczynski P. , Guskos A. , Baranowska J. , Fryska S.

Identyfikatory

DOI

10.2478/s13536-013-0188-3

• Języki publikacji: EN

Abstrakty

EN

Four samples of austenite coatings deposited by reactive magnetron sputtering on silicon substrate at four different temperatures and pressures were investigated by ferromagnetic resonance (FMR) method at room temperature. The expanded austenite phase S (gN) layers with thickness in the 160 – 273 nm range and concentration of magnetic atoms: 72 % Fe, 18 % Cr and 10 % Ni, were obtained. The coatings with nanometric size grains were strongly textured and grown mostly in [100] direction, perpendicular to the sample surface. Intense FMR spectra were recorded at various angles between the static magnetic field direction and the sample surface. A strong magnetic anisotropy of the main uniform FMR mode was observed and the effective magnetization 4πMe f f determined. Spin wave resonance (SWR) modes were observed in all investigated samples in out-of-plane geometry of the magnetic field. The resonance fields of SWR modes in our samples varied linearly with the spin wave mode number. The value of the effective magnon stiffness constant was determined assuming a parabolic shape of the magnetization variation across the sample thickness.

Słowa kluczowe

EN

expanded austenite; thin layer; ferromagnetic resonance; spin waves

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2014
• Tom: Vol. 32, No. 2
• Strony: 198—205
• Opis fizyczny: Bibliogr. 41 poz., tab., wykr.

Twórcy

autor

Typek J.

• Institute of Physics, West Pomeranian University of Technology, al. Piastow 48, 70-311 Szczecin, Poland

autor

Guskos N

• Department of Solid State, Faculty of Physics, University of Athens, Panepistimiopolis, 15 784, Greece
• Institute of Physics, West Pomeranian University of Technology, al. Piastow 48, 70-311 Szczecin, Poland

autor

Zolnierkiewicz G.

• Institute of Physics, West Pomeranian University of Technology, al. Piastow 48, 70-311 Szczecin, Poland

autor

Berczynski P.

• Institute of Physics, West Pomeranian University of Technology, al. Piastow 48, 70-311 Szczecin, Poland

autor

Guskos A.

• Institute of Physics, West Pomeranian University of Technology, al. Piastow 48, 70-311 Szczecin, Poland

autor

Baranowska J.

• Institute of Materials Science and Engineering, West Pomeranian University of Technology,al. Piastow 17, 70-310 Szczecin, Poland

autor

Fryska S.

• Institute of Materials Science and Engineering, West Pomeranian University of Technology,al. Piastow 17, 70-310 Szczecin, Poland

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