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9 Result(s)

within N. Pompeo Remove this filter Condensed Matter Physics Remove this filter Magnetism, Magnetic Materials Remove this filter Strongly Correlated Systems, Superconductivity Remove this filter

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  1. No Access

    Article

    Superfluid Density and Vortex Dynamics in S/F/S Heterostructures

    We present electrical transport measurements in the microwave range in Superconductor/Ferromagnet/ Superconductor Nb/Pd 0.84Ni 0.16/Nb heterostructures, with different thickness of the ferromagnetic layer. We emp...

    N. Pompeo, K. Torokhtii, E. Silva in Journal of Superconductivity and Novel Magnetism (2015)

  2. No Access

    Article

    Directional Vortex Pinning at Microwave Frequency in YBa2Cu3O7−x Thin Films with BaZrO3 Nanorods

    We investigate the effect of the anisotropy and of the directional pinning in YBa2Cu3O7−x films grown by pulsed laser ablation from targets containing BaZrO3 at 5 mol%. BaZrO3 inclusions ...

    N. Pompeo, K. Torokhtii, A. Augieri… in Journal of Superconductivity and Novel Mag… (2013)

  3. No Access

    Article

    Superconducting and Structural Properties of Nb/PdNi/Nb Trilayers

    The superconducting and structural properties of S/F/S (Superconductor/Ferromagnet/Superconductor) heterostructures have been studied by means of microwave measurements (1–20 GHz) and x-ray absorption fine str...

    N. Pompeo, K. Torokhtii, C. Meneghini… in Journal of Superconductivity and Novel Mag… (2013)

  4. No Access

    Article

    Microwave Properties of Nb/PdNi/Nb Trilayers

    We combine wideband (1–20 GHz) Corbino Disk and Dielectric Resonator (8.2 GHz) techniques to study the microwave properties in Nb/PdNi/Nb trilayers, grown by UHV dc magnetron sputtering, composed by Nb layers ...

    K. Torokhtii, N. Pompeo, C. Meneghini… in Journal of Superconductivity and Novel Mag… (2013)

  5. No Access

    Article

    Vortex Motion and Quasiparticle Resistivity in MgB2 at Microwave Frequencies

    The electrical transport in superconductors at nonzero frequencies is affected by the normal and superfiuid fractions, as well as moving vortices, resulting in intricate expressions for the complex resistivity...

    S. Sarti, C. Amabile, R. Fastampa, M. Giura… in Journal of Superconductivity and Novel Mag… (2007)

  6. No Access

    Article

    Vortex State Microwave Resistivity in Tl-2212 Thin Films

    We present measurements of the field induced changes in the 47 GHz complex resistivity, Δρ~(H, T), in Tl2Ba2CaCu2O8+x (TBCCO) thin films with T c ...

    N. Pompeo, S. Sarti, R. Marcon… in Journal of Superconductivity and Novel Mag… (2007)

  7. No Access

    Article

    Dielectric Resonators for the Measurement of Superconductor Thin Films Surface Impedance in Magnetic Fields at High Microwave Frequencies

    We present the design and realization of cylindrical dielectric resonators operating in the 40–60 GHz frequency range, designed for the measurement of the surface resistance and of the surface reactance shift ...

    N. Pompeo, R. Marcon, E. Silva in Journal of Superconductivity and Novel Magnetism (2007)

  8. No Access

    Article

    Mixed-State Microwave Response in Superconducting Cuprates

    We report measurements of the magnetic field induced microwave complex resistivity in REBa2Cu3O7−δ thin films, with RE = Y, Sm. Measurements are performed at 48 GHz by means of a resonant cavity in the end-wall-r...

    E. Silva, N. Pompeo, R. Marcon, R. Fastampa… in Journal of Superconductivity and Novel Mag… (2006)

  9. No Access

    Article

    Substrate Contribution to the Surface Impedance of HTS Films on Si

    We study the effects of semiconductor substrates on the surface impedance of high-T c Superconductor (HTS) YBa2Cu3O7−δ (YBCO) films. The characteristic impedanc...

    N. Pompeo, R. Marcon, E. Silva in Journal of Superconductivity and Novel Magnetism (2006)