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Wyszukujesz frazę "Sveklo, J." wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Electrochemical Deposition of Nanowires in Porous Alumina
Autorzy:
Kalska-Szostko, B.
Brancewicz, E.
Mazalski, P.
Sveklo, J.
Olszewski, W.
Szymański, K.
Sidor, A.
Powiązania:
https://bibliotekanauki.pl/articles/1809497.pdf
Data publikacji:
2009-02
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
82.45.-h
62.23.Hj
82.45.Qr
81.07.-b
75.75.+a
Opis:
Electrochemical deposition is a very efficient method for producing many types of modern materials. The method is not expensive and does not have a limit for sample size. In our work the preparation of Ni, Co and Fe nanowires is presented. The obtained nanowires had different diameter and length which were tunable by template porous material and time of deposition, respectively. The quality of the prepared wires was dependent also on deposition mode. The smallest wires of the diameter around 40 nm were prepared in porous anodic alumina oxide obtained from oxalic acid. The largest ones, around 120 nm, were produced in phosphoric acid. The length could be as large as the thickness of the oxide and reached up to about 1 μm. The morphology of wires was studied by atomic force microscopy and scanning electron microscopy. The magnetic characterization was done with usage of magnetic force microscopy and the Mössbauer spectroscopy. The wires show magnetization along their growth direction.
Źródło:
Acta Physica Polonica A; 2009, 115, 2; 542-544
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:
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
    Wyświetlanie 1-3 z 3

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