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Wyszukujesz frazę "75.70.Rf" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Template Assisted Deposition of Ferromagnetic Nanostructures: from Antidot Thin Films to Multisegmented Nanowires
Autorzy:
Prida, V.M.
Salaheldeen, M.
Pfitzer, G.
Hidalgo, A.
Vega, V.
González, S.
Teixeira, J.
Fernández, A.
Hernando, B.
Powiązania:
https://bibliotekanauki.pl/articles/1032144.pdf
Data publikacji:
2017-04
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.30.Gw
75.70.Kw
75.75.-c
75.70.-i
75.70.Rf
Opis:
The growth of nanostructured materials by means of different deposition methods employing nanoporous anodic aluminum oxide membranes as patterned templates has been widely used during last years due to the outstanding features displayed by these nanoporous templates. Here we report on the synthesis, morphology and magnetic properties exhibited by novel magnetic 1D and 2D nanostructured materials having nanowire or antidot thin films geometry, respectively, together to that of geometrically diameter modulated ferromagnetic nanowires. Their magnetic properties will be analyzed and discussed based on the different anisotropic behavior derived from their morphological and microstructural features.
Źródło:
Acta Physica Polonica A; 2017, 131, 4; 822-827
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
MFM Investigations of $[NiFe//Au//Co//Au]_N$ Multilayers
Autorzy:
Bazarnik, M.
Dabrowski, J.
Czajka, R.
Powiązania:
https://bibliotekanauki.pl/articles/1810474.pdf
Data publikacji:
2009-01
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
73.21.Ac
74.25.Ha
75.30.Gw
75.60.Ch
75.70.-i
75.70.Rf
Opis:
Magnetic force microscopy measurements combined with computer simulations were applied to investigate the strengths of magnetic field over the $[NiFe//Au//Co//Au]_N$ multilayers with in-plane and out-of-plane anisotropy observed for NiFe and Co layers, respectively. All measurements were performed in air atmosphere at room temperature. Dimensions and density of magnetic domains were estimated. The distribution of magnetization directions was deduced from comparison of magnetic force microscopy with the simulation results. Some sort of modulation in stray magnetic field was observed, but till now it is of unknown origin.
Źródło:
Acta Physica Polonica A; 2009, 115, 1; 220-222
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Interval Identification of FMR Parameters for Spin Reorientation Transition in (Ga,Mn)As
Autorzy:
Gutowski, M.
Stefanowicz, W.
Proselkov, O.
Sawicki, M.
Żuberek, R.
Sadowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/1428597.pdf
Data publikacji:
2012-05
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
07.05.Kf
68.47.Fg
75.30.Gw
75.50.Pp
75.70.-i
75.70.Ak
75.70.Cn
75.70.Rf
76.50.+g
Opis:
In this work we report results of ferromagnetic resonance studies of a 6% 15nm (Ga,Mn)As layer, deposited on (001)-oriented GaAs. The measurements were performed with in-plane oriented magnetic field, in the temperature range between 5 K and 120 K. We observe a temperature induced reorientation of the effective in-plane easy axis from $[\overline{1}10]$ to [110] direction close to the Curie temperature. The behavior of magnetization is described by anisotropy fields, $H_{eff}$ (=4π $M-H_{2⊥}$), $H_{2∥},$ and $H_{4∥}$. In order to precisely investigate this reorientation, numerical values of anisotropy fields have been determined using powerful - but still largely unknown - interval calculations. In simulation mode this approach makes possible to find all the resonance fields for arbitrarily oriented sample, which is generally intractable analytically. In "fitting" mode we effectively utilize full experimental information, not only those measurements performed in special, distinguished directions, to reliably estimate the values of important physical parameters as well as their uncertainties and correlations.
Źródło:
Acta Physica Polonica A; 2012, 121, 5-6; 1228-1230
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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