Search Results - "Massidda, S"

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    Ab initio description of high-temperature superconductivity in dense molecular hydrogen by Cudazzo, P, Profeta, G, Sanna, A, Floris, A, Continenza, A, Massidda, S, Gross, E K U

    Published in Physical review letters (27-06-2008)
    “…We present a first-principles study of the electron-phonon interaction and the prediction of the superconducting critical temperature in molecular metallic…”
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    Role of Dirac cones in magnetotransport properties of REFeAsO (RE = rare earth) oxypnictides by Pallecchi, I., Bernardini, F., Caglieris, F., Palenzona, A., Massidda, S., Putti, M.

    “…In this work we study the effect of the rare earth element in iron oxypnictides of composition REFeAsO (RE = rare earth). On one hand we carry out density…”
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    Superconductivity in lithium, potassium, and aluminum under extreme pressure: a first-principles study by Profeta, G, Franchini, C, Lathiotakis, N N, Floris, A, Sanna, A, Marques, M A L, Lüders, M, Massidda, S, Gross, E K U, Continenza, A

    Published in Physical review letters (03-02-2006)
    “…Extreme pressure strongly affects the superconducting properties of "simple" elemental metals, such as Li, K, and Al. Pressure induces superconductivity in Li…”
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    Superconducting properties of MgB2 from first principles by FLORIS, A, PROFETA, G, LATHIOTAKIS, N. N, LÜDERS, M, MARQUES, M. A. L, FRANCHINI, C, GROSS, E. K. U, CONTINENZA, A, MASSIDDA, S

    Published in Physical review letters (28-01-2005)
    “…Solid MgB(2) has rather interesting and technologically important properties, such as a very high superconducting transition temperature. Focusing on this…”
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    Evidence for gap anisotropy in CaC6 from directional point-contact spectroscopy by Gonnelli, R S, Daghero, D, Delaude, D, Tortello, M, Ummarino, G A, Stepanov, V A, Kim, J S, Kremer, R K, Sanna, A, Profeta, G, Massidda, S

    Published in Physical review letters (23-05-2008)
    “…We present the first results of directional point-contact spectroscopy in high-quality CaC6 samples both along the ab plane and in the c-axis direction. The…”
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    Universal conductivity and the electrodynamics of graphite at high pressures by Perucchi, A., Baldassarre, L., Marini, C., Postorino, P., Bernardini, F., Massidda, S., Lupi, S.

    “…We address the in-plane pressure-dependent electrodynamics of graphite through synchrotron-based infrared spectroscopy and ab initio density functional theory…”
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    First-principle investigation of native and impurity defects in MgB2 by Bernardini, F, Massidda, S

    Published in Europhysics letters (01-11-2006)
    “…We use first-principles techniques to investigate the properties of native defects and impurities in MgB2. We focus our investigation on those defects that…”
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    Intraband vs. interband scattering rate effects in neutron irradiated MgB2 by Putti, M, Brotto, P, Monni, M, Galleani d'Agliano, E, Sanna, A, Massidda, S

    Published in Europhysics letters (01-03-2007)
    “…One of the most important predictions of the two-gap theory of superconductivity concerns the role of interband scattering (IBS) by impurities. IBS is expected…”
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    Two-band Eliashberg equations and the experimental Tc of the diboride Mg1-xAlxB2 by UMMARINO, G. A, GONNELLI, R. S, MASSIDDA, S, BIANCONI, A

    Published in Physica. C, Superconductivity (15-08-2004)
    “…The variation of the superconducting critical temperature Tc as a function of x in the diboride Mg1-xAlxB2 has been studied in the framework of the two-bands…”
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    The optical phonon spectrum of SmFeAsO by Marini, C, Mirri, C, Profeta, G, Lupi, S, Di Castro, D, Sopracase, R, Postorino, P, Calvani, P, Perucchi, A, Massidda, S, Tropeano, G. M, Putti, M, Martinelli, A, Palenzona, A, Dore, P

    Published in Europhysics letters (01-12-2008)
    “…We measured the Raman and the infrared phonon spectrum of SmFeAsO polycrystalline samples. We also performed density functional theory calculations within the…”
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    Superconducting properties of MgB2 from first principles by Floris, A., Sanna, A., Lüders, M., Profeta, G., Lathiotakis, N.N., Marques, M.A.L., Franchini, C., Gross, E.K.U., Continenza, A., Massidda, S.

    Published in Physica. C, Superconductivity (01-06-2007)
    “…The discovery of superconductivity in MgB2, with a rather high transition temperature, has triggered a large number of theoretical and experimental…”
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    Metamaterial Lens of Specifiable Frequency-Dependent Focus and Adjustable Aperture for Electron Cyclotron Emission in the DIII-D Tokamak by Hammond, K. C., Massidda, S. D., Capecchi, W. J., Volpe, F. A.

    “…Electron Cyclotron Emission (ECE) of different frequencies originates at different locations in non-uniformly magnetized plasmas. For simultaneous observation…”
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