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Wyszukujesz frazę "Moneta, M." wg kryterium: Autor

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    Wyświetlanie 1-8 z 8
    Tytuł:
    Characteristics of H- to Be-like Ions Immersed in Electron Gas
    Autorzy:
    Moneta, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2027387.pdf
    Data publikacji:
    2001-06
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    34.50.Bw
    71.45.Gm
    Opis:
    The electronic characteristics of H- to Be-like ions immersed in degenerate electron gas were calculated. The ion was described within the Hartree- Fock-Slater formalism and the medium by the dielectric function. The ion's electrons repulsion, screening and exchange effects and, additionally, the self-binding of an electron due to the polarisation of the medium were included in the description. The results were compared with the reference corresponding to the characteristics for ions in vacuum.
    Źródło:
    Acta Physica Polonica A; 2001, 99, 6; 643-653
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Stopping and Straggling of Slow Atoms in Electron Gas
    Autorzy:
    Moneta, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1968487.pdf
    Data publikacji:
    1997-12
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    71.45.Gm
    Opis:
    New analytical formulas for the electronic stopping power and the energy loss straggling of low velocity heavy atoms in the degenerate electron gas are calculated within the dielectric function method. The stopping and straggling effective charges of a projectile were analyzed. They are found to differ each other and to depend on the electron gas density r$\text{}_{s}$, on the projectile atomic number Z$\text{}_{i}$ and on the projectile degree of ionization ζ.
    Źródło:
    Acta Physica Polonica A; 1997, 92, 6; 1169-1176
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Rutherford Backscattering Angular Yields under Channeling Conditions for H$\text{}^{+}$ and H$\text{}^{0}$ Projectiles
    Autorzy:
    Czerbniak, J.
    Moneta, M.
    Pudłowski, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/2030727.pdf
    Data publikacji:
    2002-06
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    71.45.Gm
    Opis:
    The Rutherford backscattering angular scattering yields for 100 keV H$\text{}^{+}$ and H$\text{}^{0}$ projectiles from Si crystal was measured. The analysis of results using Monte Carlo simulations leads to the conclusion that H$\text{}^{0}$ beam suffers smaller dispersion than H$\text{}^{+}$ beam, when crossing crystal surface. It means that the H$\text{}^{0}$ scattering probability is smaller at large impact parameters. For greater penetration depth the channeling process turns out to be the same.
    Źródło:
    Acta Physica Polonica A; 2002, 101, 6; 857-863
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Magnetic Study of $α^{\prime\prime}$ and $γ^{\prime\prime}$-Phases of Iron Nitride Thin Films
    Autorzy:
    Frątczak, E.
    Prieto, J.
    Moneta, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1368214.pdf
    Data publikacji:
    2014-07
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    81.15.Hi
    68.55.-a
    61.05.Qr
    Opis:
    Most of the Fe-nitride phases have been studied in much detail. Nevertheless, there is still a debate about the most efficient, exact and controlled way of obtaining thin films of the desired iron nitride phases. Thin films of iron nitrides were deposited by Molecular Beam Epitaxy in Ultra High Vacuum. By changing the growth parameters we tried to obtain the α"-phase in its purest form. We worked also on iron mononitride, FeN (γ"-FeN) which is known to exist in different phases. The stoichiometry of the samples was determined by means of resonant Rutherford Backscattering Spectroscopy. The samples were studied by room temperature Conversion Electron Mössbauer Spectroscopy. We achieved as much as 24% of pure α"-phase and provide evidence of the existence of γ"-FeN with vacancies and of the transformation of nonmagnetic γ"-phase into magnetic ε-phase after time exposure.
    Źródło:
    Acta Physica Polonica A; 2014, 126, 1; 214-215
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Channelling of H$\text{}^{0}$ and H$\text{}^{+}$ in Si Single Crystal
    Autorzy:
    Moneta, M.
    Gront, K.
    Gwizdałła, T.
    Czerbniak, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/2035636.pdf
    Data publikacji:
    2002-12
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    61.85.+p
    68.49.Sf
    61.80.Lj
    Opis:
    The differences in the Rutherford backscattering angular spectra measured for 100 keV hydrogen atoms H$\text{}^{0}$ and protons H$\text{}^{+}$ backscattered from Si crystal are reported and analysed. It was shown that the H$\text{}^{0}$ atom beam is better channelled in the pure crystal and is much more sensitive to the crystal surface coverage, particularly Au layer than the H$\text{}^{+}$ ion beam. The deep crystal regions seem to strengthen this differences.
    Źródło:
    Acta Physica Polonica A; 2002, 102, 6; 759-766
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Properties of $Fe_{73.5-x}Si_{13.5}B_9Cu_1Nb_3Mn_x$ Alloys by Means of Mössbauer Spectroscopy
    Autorzy:
    Brzozowski, R.
    Wasiak, M.
    Balcerski, J.
    Sovák, P.
    Moneta, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1813582.pdf
    Data publikacji:
    2008-01
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    75.50.Bb
    75.50.Ww
    75.60.Ej
    Opis:
    $Fe_{73.5-x}Si_{13.5}B_9Cu_1Nb_3Mn_x$ (x=1, 3÷15) amorphous alloys were studied by means of Mössbauer spectroscopy, as-quenched and after annealing. The basic alloys show stronger magnetic ordering for small values of x, than for larger x. The initially amorphous phase and the final nanocrystalline structure were determined with X-ray diffraction. The alloys were shown, by scanning calorimetry, to suffer different phase transformations, when heated.
    Źródło:
    Acta Physica Polonica A; 2008, 113, 1; 127-130
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Iron Containing Supplement Biofer Investigated by X-ray Fluorescence, Energy Dispersive X-Ray Spectroscopy and Mössbauer Spectroscopy
    Autorzy:
    Brzozowski, R.
    Szałański, P.
    Kaźmierczak, J.
    Polański, K.
    Pruba, M.
    Moneta, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1402229.pdf
    Data publikacji:
    2015-11
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    61.05.Qr
    78.70.En
    87.14.Pq
    Opis:
    Iron, an important microelement essential to the functioning of the body, plays a special role in the process of respiration. There are more and more new products available on the pharmaceutical market. Some of them were the subject of previous studies, especially by using the Mössbauer spectroscopy. One of the latest is Biofer. For the present tests three tablets from three different production series of Biofer were used for examination of elemental composition using the X-ray fluorescence and energy dispersive X-ray spectroscopy methods. Information about oxidation of iron contained in the tablets was obtained with by means of the Mössbauer spectroscopy.
    Źródło:
    Acta Physica Polonica A; 2015, 128, 5; 905-907
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sputtering and Implantation of VV-6025X Surface with Slow Heavy Ions Monitored with PIXE
    Autorzy:
    Antoszewska, M.
    Balcerski, J.
    Brzozowski, R.
    Dolecki, K.
    Frątczak, E.
    Gwizdałła, T.
    Pawłowski, B.
    Moneta, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1367499.pdf
    Data publikacji:
    2014-07
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    34.35.+a
    61.80.Lj
    Opis:
    In this work the characteristic radiation, emitted during interaction of medium energy (200 keV) ambient heavy ions (Ar) with $Fe_{4}Co_{66}Si_{12}B_{14}Nb_{1}Mo_{2}Cu_{1}$ (VV-6025X) amorphous alloy, was measured in grazing incident-exit angle geometry and in time sequence, in order to determine dynamics of formation of subsurface region, damaged through implantation, sputtering and interface mixing. It was shown that structure and composition of surface is unstable against heavy ions irradiation due to preferential sputtering and implantation of ions, and recoils, and that the dynamics of such modification can be monitored in-situ with particle induced X-ray emission (PIXE) method.
    Źródło:
    Acta Physica Polonica A; 2014, 126, 1; 136-137
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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