Autor: Jóźwiak, K. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Magnetic Properties in Mn Pure Powder
Autorzy:: Szlaferek, A.
Baszyński, J.
Waplak, S.
Jóźwiak, K.
Powiązania:: https://bibliotekanauki.pl/articles/1964612.pdf
Data publikacji:: 1997-08
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 75.50.-y
75.50.Tt
Opis:: The structural and magnetic properties of deformed powder of Mn obtained by mechanical grinding have been investigated using X-ray diffraction and magnetic measurements. The small values of ferromagnetic moment of Mn after grinding are attributed to the formation of a deformed phase at the surface of grains with enlargement of the interatomic spacings at the grains boundaries.
Źródło:: Acta Physica Polonica A; 1997, 92, 2; 311-314
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

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

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Skocz do pozycji: 3.

Tytuł:: Tracking Underwater Noise Sources with the Use of a Passive Method
Autorzy:: Gloza, I.
Buszman, K.
Józwiak, R.
Powiązania:: https://bibliotekanauki.pl/articles/1400098.pdf
Data publikacji:: 2013-06
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 43.30.Nb
Opis:: It is possible to track a source of noise by determining the intensity of sound that informs about the sound energy flow direction. One of the methods of determining the sound intensity of acoustic signals is the so-called gradient method in which the pressure is measured with the use of two hydrophones placed close to each other. Tetrahedral antenna consists of four hydrophones spaced at regular tetrahedron vertices so that distances between hydrophones are the same. The tetrahedral antenna determines six virtual points in the middle of each edge and allows using sound intensity calculation algorithm to determine the noise source bearing. In our experiment, the antenna was located 23 meters below the sea surface and a source of noise was moving over it. The object that was moving along a straight line with a specific course was equipped with a GPS receiver. This allowed comparison of the obtained targeting results with the real track of moving object. The paper presents the object tracking algorithm which was implemented in the MATLAB environment as well as some of the results of research carried out on passive source noise tracking.
Źródło:: Acta Physica Polonica A; 2013, 123, 6; 1090-1093
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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