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Wyszukujesz frazę "Maziewski, A." wg kryterium: Autor


Wyświetlanie 1-10 z 10
Tytuł:
Brillouin Light Scattering Investigations οf Magnetic and Elastic Properties in MBE Grown Trilayer Mo/Co/Au Systems
Autorzy:
Gieniusz, R.
Błachowicz, T.
Maziewski, A.
Petroutchik, A.
Baczewski, L.
Wawro, A.
Hamrle, J.
Serga, O.
Hillebrands, B.
Powiązania:
https://bibliotekanauki.pl/articles/1810471.pdf
Data publikacji:
2009-01
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
76.50.+g
75.70.Cn
75.80.+q
Opis:
The magnetic and elastic properties of epitaxially grown Mo/Co/Au trilayer systems were investigated by the Brillouin light scattering and a ferromagnetic resonance. Using both experimental methods the perpendicular uniaxial anisotropy and the effective in-plane twofold anisotropy contributions were determined as the function of the cobalt thicknesses. Acoustic phonons analysis shows that the elastic constants are decreased with increasing cobalt layer thicknesses.
Źródło:
Acta Physica Polonica A; 2009, 115, 1; 213-216
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Magnetic Tailoring of Domains in NiFe/Au/Co/Au Multilayers by He Ion Bombardment through Nanospheres
Autorzy:
Glapka, W.
Kuświk, P.
Sveklo, I.
Urbaniak, M.
Jóźwiak, K.
Weis, T.
Engel, D.
Ehresmann, A.
Błaszyk, M.
Szymański, B.
Maziewski, A.
Stobiecki, F.
Powiązania:
https://bibliotekanauki.pl/articles/1810578.pdf
Data publikacji:
2009-01
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.70.-i
75.60.-d
Opis:
Sputter deposited $(Ni_{80}Fe_{20}//Au//Co//Au)_{10}$ multilayers, characterized by alternating in-plane and perpendicular anisotropies of the NiFe and Co layers, respectively, and out-of-plane stripe (labyrinth) domain structure in the Co layers, were bombarded by $He^+$-ions (10 keV) through a mask consisting of polystyrene nanospheres with a diameter of 470 nm. The changes of multilayers magnetic properties after ion bombardment are correlated with the used mask structure.
Źródło:
Acta Physica Polonica A; 2009, 115, 1; 348-351
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ellipsometric Selective Sensitivity to Magnetic Nanostructures
Autorzy:
Hamrlová, J.
Postava, K.
Životský, O.
Hrabovský, D.
Pištora, J.
Švec, P.
Janičkovič, D.
Maziewski, A.
Powiązania:
https://bibliotekanauki.pl/articles/1534105.pdf
Data publikacji:
2010-11
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
78.20.Ls
75.50.Bb
75.60.-d
Opis:
Recently, we have shown that the approach of depth sensitivity of magneto-optic ellipsometry can be generalized to selectivity from different materials in nanostructures. We use the condition number as the figure of merit to quantify the magneto-optic selectivity to two different magnetic contributions in magnetic nanostructure. The method is demonstrated on nanostructures containing magnetically hard Fe particles in surface layer of soft FeNbB amorphous ribbon. We separated both magnetic contributions from measurement of hysteresis loops using magneto-optic Kerr effect in longitudinal configuration. Magneto-optic selectivity is discussed and theoretical model on the basis of effective medium is compared with experimental data of longitudinal magneto-optic Kerr effect depending on angle of incidence.
Źródło:
Acta Physica Polonica A; 2010, 118, 5; 837-839
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Three-Dimensional Micromagnetic Simulation of Spatial Distribution of Magnetization in Thick Cobalt Layers
Autorzy:
Kisielewski, M.
Maziewski, A.
Zablotskii, V.
Powiązania:
https://bibliotekanauki.pl/articles/1386908.pdf
Data publikacji:
2015-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.40.Mg
75.60.Ch
75.70.Ak
75.70.Kw
Opis:
Spatial magnetization distribution of cobalt layer is studied by means of three-dimensional micromagnetic simulations in the range of cobalt thickness d from 21 to 249 nm. In this range, a spin-reorientation phase transition occurs, while the cobalt thickness increases, from a state with in-plane magnetization, to a state with out-of-plane components of magnetization. An infinite cobalt layer is modelled by the 750 nm × 750 nm × d structure consisting of cubic cells of size of 3 nm and the periodic boundary conditions. For larger thicknesses, a labyrinth, partially closed, stripe structure has been found.
Źródło:
Acta Physica Polonica A; 2015, 127, 2; 520-522
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
He⁺ Ion Bombardment Induced Effects on Magnetic Properties of Ni-Fe/Au/Co/Au Films
Autorzy:
Kuświk, P.
Szymański, B.
Urbaniak, M.
Dubowik, J.
Stobiecki, F.
Kisielewski, J.
Tekielak, M.
Maziewski, A.
Weis, T.
Ehresmann, A.
Powiązania:
https://bibliotekanauki.pl/articles/1813489.pdf
Data publikacji:
2008-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.70.-i
75.30.Gw
75.50.Sc
Opis:
The influence of He⁺ (10 keV) ion bombardment on magnetic properties of sputter deposited $Ni_{80}Fe_{20}$/Au/Co/Au layered films was studied. The variable parameters were the thickness of the Co layer or Au spacer and the ion dose. The magnetooptical Kerr measurements were performed on samples with wedge shaped Co or Au layers. With increasing dose of helium ions the following changes in magnetic properties were observed: (i) a decrease in the Co thickness range corresponding to the perpendicular anisotropy, (ii) a decrease in the coercive field $(H_C)$, (iii) an increase in the ferromagnetic coupling between ferromagnetic layers.
Źródło:
Acta Physica Polonica A; 2008, 113, 2; 651-656
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Influence of $He^+$ Ion Bombardment on Magnetic Properties of NiFe/Au/Co/Au Multilayers
Autorzy:
Kuświk, P.
Szymański, B.
Urbaniak, M.
Stobiecki, F.
Sveklo, I.
Kisielewski, J.
Maziewski, A.
Jagielski, J.
Powiązania:
https://bibliotekanauki.pl/articles/1810579.pdf
Data publikacji:
2009-01
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.70.-i
75.47.De
75.30.Gw
75.70.Kw
Opis:
The influence of $He^+$ ion bombardment on magnetoresistance, magnetization reversal and domain structure of sputtered $(Ni_{80}Fe_{20}(2 nm)//Au(2 nm)//Co(0.6 nm)//Au(2 nm))_{10}$ multilayers was investigated. The samples were bombarded using $He^+$(30 keV) ions with fluences D varied from $10^{13}$ to 3×$10^{16}$ $He^+$/$cm^{2}$. With increasing D the following changes in magnetic properties were observed: (i) exponential decay of the saturation field of Co layers, (ii) progressive decrease in magnetoresistance as a result of degradation of Co layers perpendicular anisotropy, (iii) linear decrease in stripe domain period with log(D).
Źródło:
Acta Physica Polonica A; 2009, 115, 1; 352-354
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Magneto-Optical Study of NiFe/Au/Co/Au Layers
Autorzy:
Mazalski, P.
Postava, K.
Tekielak, M.
Maziewski, A.
Urbaniak, M.
Szymański, B.
Stobiecki, F.
Powiązania:
https://bibliotekanauki.pl/articles/1810594.pdf
Data publikacji:
2009-01
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.60.-d
75.70.-i
75.70.Ak
78.20.Ls
Opis:
Sputtered NiFe/Au/Co/Au layers with noncollinear magnetizations are of scientific interest for unusual magnetization behavior and their potential application in spintronics. In this paper, we propose to use a material selective sensitivity of magneto-optical Kerr effect for separation of signals from different materials in a bilayer system. The materials selective sensitivity is demonstrated on a sample with two mutually perpendicular Co and NiFe wedges.
Źródło:
Acta Physica Polonica A; 2009, 115, 1; 369-371
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modification of Magnetic Properties of Pt/Co/Pt Films by $Ga^{+}$ Ion Irradiation: Focused versus Uniform Irradiation
Autorzy:
Sveklo, I.
Mazalski, P.
Jaworowicz, J.
Jamet, J.
Vernier, N.
Mougin, A.
Ferré, J.
Kisielewski, M.
Zablotskii, V.
Bourhis, E.
Gierak, J.
Postava, K.
Fassbender, J.
Kanak, J.
Maziewski, A.
Powiązania:
https://bibliotekanauki.pl/articles/1398198.pdf
Data publikacji:
2018-05
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
ultrathin films
ion irradiation
magnetic hysteresis
magnetic anisotropy
magneto-optic Kerr effect
Opis:
30 keV $Ga^{+}$ irradiation-induced changes of magnetic and magneto-optical properties of sputtered Pt/Co/Pt ultrathin trilayers films have been studied as a function of the ion fluence. Out-of-plane magnetic anisotropy states with enhanced magneto-optical effects were evidenced for specific values of cobalt thickness and irradiation fluence. Results obtained after uniform or quasi-uniform focused ion beam irradiation on either out-of-plane or in-plane magnetized sputtered pristine trilayers are compared. Similar irradiation-induced magnetic changes are evidenced in quasi-uniformly focused ion beam or uniformly irradiated films, grown either by sputtering or molecular beam epitaxy. We discuss on plausible common mechanisms underlying the observed effects.
Źródło:
Acta Physica Polonica A; 2018, 133, 5; 1215-1226
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Improvement of Atomic Force Microscope Suitable for Magnetic Domain Structure Measurements
Autorzy:
Sveklo, I.
Dobrogowski, W.
Kisielewski, M.
Maziewski, A.
Powiązania:
https://bibliotekanauki.pl/articles/2013164.pdf
Data publikacji:
2000-03
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.70.-i
75.30.Pd
61.16.Ch
Opis:
Based on commercial Burleigh METRIS$\text{}^{TM}$-2000 Atomic Force Microscope two methods of magnetic force measurements were realised. The developed system was successfully applied for study of magnetic structure of both YIG-garnet and CoNi/Pt magneto-optic multilayers.
Źródło:
Acta Physica Polonica A; 2000, 97, 3; 527-530
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Buffer Induced Magnetic Patterning of Ultrathin Co Layer
Autorzy:
Wawro, A.
Petroutchik, A.
Kurant, Z.
Baczewski, L.
Mazalski, P.
Maziewski, A.
Powiązania:
https://bibliotekanauki.pl/articles/1810547.pdf
Data publikacji:
2009-01
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
75.70.-i
75.30.Gw
75.75.+a
68.37.Ps
78.20.Ls
Opis:
The possibility of magnetic anisotropy engineering of ultrathin Co films in the scale of several dozen nanometers is investigated by magnetooptical magnetometry. In Au/Co/Au sandwiches the spin reorientation transition from the out-of-plane to the in-plane configuration is observed, when Co layer thickness exceeds 1.9 nm. Molybdenum as the underlayer suppresses the Co thickness range for which the perpendicular magnetization is stable. The application of patterned buffer in the form of Au islands grown on Mo layer for ultrathin Co film gives rise to the array of spatially stable magnetic dots fabrication ca. 100 nm in lateral size with magnetization perpendicular to the film plane surrounded by the area magnetized in the sample plane.
Źródło:
Acta Physica Polonica A; 2009, 115, 1; 306-308
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-10 z 10

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