Autor: Załęski, D. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Magnetic Properties of $URu_{1-x}Pd_{x}Ge$ Solid Solutions
Autorzy:: Gralak, D.
Zaleski, A.
Tran, V.
Powiązania:: https://bibliotekanauki.pl/articles/1371286.pdf
Data publikacji:: 2014-07
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 75.30.Kz
75.30.-m
75.50.-y
Opis:: The magnetic properties of the solid solutions $URu_{1-x}Pd_{x}Ge$ with x = 0.1 - 0.9, crystallizing in the orthorhombic TiNiSi-type structure, were investigated by ac magnetic susceptibility and dc magnetization measurements. The experimental data reveal that there are three different regions of magnetic behaviour. A nonmagnetic ground state occurs for x < 0.3, however, as the Pd concentration is increased, the antiferromagnetism is stabilized for x=0.35 - 0.8, and two successive transitions, antiferro- and ferromagnetic, emerge in the x=0.9 composition.
Źródło:: Acta Physica Polonica A; 2014, 126, 1; 314-315
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 2.

Tytuł:: The Influence of Ex Situ $MgB_2$ Barrier and HIP on the $I_c$ Anisotropy in Double Core $MgB_2//Cu$ Wires
Autorzy:: Gajda, D.
Morawski, A.
Zaleski, A.
Cetner, T.
Powiązania:: https://bibliotekanauki.pl/articles/1535516.pdf
Data publikacji:: 2010-11
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Opis:: The effect of large $I_{c}$ anisotropy reductions in $MgB_2//Cu$ sheathed wire is presented. The measurements of the critical current in rising magnetic field up to 14 T at 4.2 K were performed. Due to the application of the high isostatic pressure process to the copper sheathed $MgB_2$ wires with the ex situ $MgB_2$ homo barrier around the in situ core the anisotropy for such wires was very small and approached to less than 2% at magnetic field over 4 T. The presented geometry and technology show several advantages in their practical applications.
Źródło:: Acta Physica Polonica A; 2010, 118, 5; 1059-1061
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 3.

Tytuł:: Effect of Nano-SiC Doping on the Superconducting Critical Parameters in $MgB_2$/Fe Wires and Tapes
Autorzy:: Gajda, D.
Zaleski, A.
Morawski, A.
Kario, A.
Powiązania:: https://bibliotekanauki.pl/articles/1813696.pdf
Data publikacji:: 2008-01
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 74.70.Ad
74.25.Sv
Opis:: In this paper the results of critical current measurements for $MgB_2$ wires and tapes in iron sheath with and without nano-SiC doping are presented. We focus on power-in-tube processing technique, using both in situ and ex situ methods. In situ $MgB_2$ wires and tapes were fabricated from $MgH_2$ and B or Mg and B powders. The methods such as hydrostatic extrusion and rolling were used. The samples were annealed under high Ar gas pressure (hot isostatic pressing) at 750°C and 1.0 GPa for 40 min. It was found that critical current of $MgB_2$/Fe superconducting wire or tape with nano-SiC dopant increased in higher magnetic field values in comparison to pure $MgB_2$. A significant difference of $J_c$ in tapes made by in situ way from $MgH_2$ and Mg were found.
Źródło:: Acta Physica Polonica A; 2008, 113, 1; 371-374
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 4.

Tytuł:: Pinning Force in Superconducting Wires Nb-Ti
Autorzy:: Gajda, D.
Zaleski, A.
Dyakonov, V.
Matrosov, N.
Szymczak, H.
Beloshenko, V.
Spuskanyuk, V.
Chishko, V.
Powiązania:: https://bibliotekanauki.pl/articles/1537076.pdf
Data publikacji:: 2010-08
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 84.71.Mn
Opis:: In the paper we present the results of the measurements of critical current $I_{c}$ in NbTi wires. Experiments were made for the wires of 0.3 mm in diameter and the length of 25 mm. The wires were produced by means of two methods: conventional (hydroextrusion and drawing) and preliminary equal channel multiple angle pressing. The samples were heat treated at different temperatures. We describe the influence of different pinning centers on critical current density $J_{c}$.
Źródło:: Acta Physica Polonica A; 2010, 118, 2; 364-365
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

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