Zobrazeno 1 - 10
of 86
pro vyhledávání: '"R. Andrejco"'
Publikováno v:
Czechoslovak Journal of Physics. 54:153-156
Structural and magnetic stability of the amorphous (Co0.94Fe0.06)72.5Si12.5B15 wire has been investigated by the magnetic after-effect spectroscopy. Activation parameters of the relaxation in the as-cast wire are Q*=1.62 eV and τ0=7x10−17 s. Annea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d5e57b0614a2bb5ad466be4ea7fcaaa
https://doi.org/10.1007/s10582-004-0052-0
https://doi.org/10.1007/s10582-004-0052-0
Publikováno v:
Czechoslovak Journal of Physics. 54:113-116
Magnetic and structural properties of amorphous Co80-xCrxSi6B14, x=0, 2, 4, 6 and 8 at. , alloys were investigated. Temperature dependences of saturation magnetizations and relative initial susceptibilities were compared with the temperature dependen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7afddc0e4f1038d4f9217d27df07019d
https://doi.org/10.1007/s10582-004-0042-2
https://doi.org/10.1007/s10582-004-0042-2
Autor:
R Andrejco, P Vojtanik
Publikováno v:
Journal of Magnetism and Magnetic Materials. 280:108-118
Magnetic relaxation of the amorphous Co80−xCrxSi6B14, x=0, 2, 4, 6, 8 alloys have been investigated by the isothermal and isochronal magnetic after-effect (MAE) and the Perminvar effect. Addition of Cr influences all characteristic parameters of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98fc9c8b43e8794095a5ee9e6ebdc829
https://doi.org/10.1016/j.jmmm.2004.02.027
https://doi.org/10.1016/j.jmmm.2004.02.027
Autor:
P. Vojtanik, R. Andrejco
Publikováno v:
Journal of Non-Crystalline Solids. 342:1-5
The structural magnetic relaxation of the amorphous Co75B25 alloy in the as-cast and annealed states has been investigated by means of the magnetic after-effect (MAE) spectroscopy. The relaxation process is realised by reorientations of atom pairs mi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e4b6cc922b1dfec18104cc3f310001bd
https://doi.org/10.1016/j.jnoncrysol.2004.07.034
https://doi.org/10.1016/j.jnoncrysol.2004.07.034
Autor:
R Andrejco, P Vojtanik
Publikováno v:
Journal of Physics: Condensed Matter. 16:3745-3760
Directional ordering in the amorphous Co75Si15B10 alloys by means of the magnetic after-effect (MAE) of the initial reluctivity and its influence on the Perminvar effect have been investigated. Two peak MAE spectra were obtained from isochronal measu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1f2b8a91ff3c19317eb7c417ec60e267
https://doi.org/10.1088/0953-8984/16/21/023
https://doi.org/10.1088/0953-8984/16/21/023
Publikováno v:
physica status solidi (a). 201:1463-1470
The magnetic after-effect of initial reluctivity in an amorphous Fe73Al5Ga2P10C5B4Si1 alloy has been investigated by isochronal as well as isothermal measurements. The relaxation intensity is lower than in simpler Fe-based amorphous alloys prepared b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b566b01e097b18f4a04062b2723fb10e
https://doi.org/10.1002/pssa.200306787
https://doi.org/10.1002/pssa.200306787
Publikováno v:
physica status solidi (a). 193:103-116
A method for obtaining the pinning field distribution from the amplitude dependence of susceptibility is introduced. The method is tested on the amorphous non-magnetostrictive CoFeSiB wire. The effect of magnetic relaxation on the pinning field distr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d65cda523e1d7207cfe08b6b7e575015
https://doi.org/10.1002/1521-396x(200209)193:1<103::aid-pssa103>3.0.co
https://doi.org/10.1002/1521-396x(200209)193:1<103::aid-pssa103>3.0.co
Publikováno v:
Journal of Magnetism and Magnetic Materials. 249:136-140
The evolution of some magnetic properties (initial susceptibility, saturation magnetization, hysteresis loop) of Fe 73.5 Cu 1 Nb 3 Si 13.5 B 9 microwires during the devitrification stages ( T a =450°C, 500°C, 550°C, 600°C and 650°C) is studied.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3abee2d187c5d92406b4ddc4c4dbb326
https://doi.org/10.1016/s0304-8853(02)00521-8
https://doi.org/10.1016/s0304-8853(02)00521-8
Publikováno v:
Czechoslovak Journal of Physics. 52:A113-A116
Magnetic properties (coercivity, susceptibility, magnetostriction) of Fe40Ni38Mo4B18 alloy were investigated in amorphous as well as in nanocrystalline state. The sample were heat treated at the temperatures 380–470°C for 1 hour to obtain differen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87f26648dcbb375b0fb1a64abd54806e
https://doi.org/10.1007/s10582-002-0026-z
https://doi.org/10.1007/s10582-002-0026-z
Autor:
H. A. Davies, Mike R. J. Gibbs, P. Vojtanik, Rastislav Varga, P. Marko, R. Andrejco, H. J. Blythe
Publikováno v:
Czechoslovak Journal of Physics. 52:191-194
Thermomagnetic analysis of the initial AC susceptibility of amorphous CoFeSiB wire shows strong stabilization of the domain structure. The initial susceptibility of the as-cast sample drastically decreases in the temperature range (100-250)°C due to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::385c39075ddfb9e08fa8bc083e33caa9
https://doi.org/10.1023/a:1014407426762
https://doi.org/10.1023/a:1014407426762