69 citations · 433 across the 16 of their papers we have counts for
15 papers · 1 filter
Band filling and disorder effects on the normal state thermoelectric behavior in MgB2
Ilaria Pallecchi, Marco Monni, Pietro Manfrinetti +1
By a combined experimental and theoretical approach, we investigate normal state thermoelectric transport in MgB2, as a probe of selective disorder and doping in the sigma and pi b…
Theoretical investigation of FeTe magnetic ordering under hydrostatic pressure
M. Monni, F. Bernardini, G. Profeta +1
We investigate the pressure phase diagram of FeTe, predicting structural and magnetic properties in the normal state at zero temperature within density functional theory (DFT). We…
Phononic Self energy effects and superconductivity in CaC
A. Sanna, S. Pittalis, J. K. Dewhurst +5
We study the graphite intercalated compound CaC by means of Eliashberg theory, focusing on the anisotropy properties. An analysis of the electron-phonon coupling is performed,…
Isoelectronic Ru substitution at Fe-site in Sm(Fe1-xRux)As(O0.85F0.15) compound and its effects on structural, superconducting and normal state properties
M. Tropeano, M. R. Cimberle, C. Ferdeghini +10
In this work we present a systematic experimental and theoretical study of the structural, transport and superconducting properties of Sm(Fe1-xRux)As(O0.85F0.15) polycrystalline sa…
Static and Dynamical Susceptibility of LaO1-xFxFeAs
M. Monni, F. Bernardini, G. Profeta +7
The mechanism of superconductivity and magnetism and their possible interplay have recently been under debate in pnictides. A likely pairing mechanism includes an important role of…
Fluxon dynamics in Li-Al codoped MgB2 by microwave surface resistance measurements
M. Bonura, A. Agliolo Gallitto, M. Li Vigni +1
The magnetic-field-induced variations of the microwave surface resistance, R_s, have been investigated in ceramic Mg_{1-x}(LiAl)_xB_2, with x in the range 0.1 - 0.4. The measuremen…
Multi-band conductivity and multi-gap superconductivity in V3Si from optical measurements on films at terahertz frequencies
A. Perucchi, D. Nicoletti, M. Ortolani +13
The possibility of multi-band conductivity and multi-gap superconductivity is explored in oriented V3Si thin films by means of reflectance and transmittance measurements at teraher…
Multiband superconductivity in Pb, H under pressure and CaBeSi from {\it ab-initio} calculations
C. Bersier, A. Floris, P. Cudazzo +10
Superconductivity in Pb, H under extreme pressure and CaBeSi, in the framework of the density functional theory for superconductors, is discussed. A detailed analysis on how the el…
Role of Coulomb interaction in the superconducting properties of CaC6 and H under pressure
S. Massidda, F. Bernardini, C. Bersier +10
Superconductivity in intercalated graphite CaC6 and H under extreme pressure, in the framework of superconducting density functional theory, is discussed. A detailed analysis on ho…
Fully Band Resolved Scattering Rate in MgB2 Revealed by Nonlinear Hall Effect and Magnetoresistance Measurements
Huan Yang, Yi Liu, Chenggang Zhuang +10
We have measured the normal state temperature dependence of the Hall effect and magnetoresistance in epitaxial MgB2 thin films with variable disorders characterized by the residual…
Probing the electron-phonon coupling in MgB2 through magnetoresistance measurements in neutron irradiated thin films
M. Monni, I. Pallecchi, C. Ferdeghini +9
We report magnetoresistance (MR) measurements on MgB2 and the corresponding full account from ab-initio calculations; we suggest that this combination can be a useful tool to probe…
Intraband versus interband scattering rate effects in neutron irradiated MgB2
M. Putti, P. Brotto, M. Monni +3
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 to decrease the crit…
Effect of the four-sheet Fermi surface on magnetoresistivity of MgB2
I. Pallecchi, M. Monni, C. Ferdeghini +4
Recent experimental data of anisotropic magnetoresistivity measured in MgB2 films have shown an intriguing behaviour: the angular dependence of magnetoresistivity changes dramatica…
Role of charge doping and lattice distortions in codoped Mg_{1-x}(AlLi)_{x}B_2 compounds
M. Monni, C. Ferdeghini, P. Manfrinetti +10
We prepared a series of Mg_{1-x}(AlLi)_{x}B_2 samples with 0≤x≤0.45 in order to compensate with Li the electron doping induced by Al. Structural characterization by mea…
Clean and Dirty Superconductivity in Pure, Al doped, and Neutron Irradiated MgB2: a Far-Infrared Study
M. Ortolani, D. Di Castro, P. Postorino +4
The effects of Al substitution and neutron irradiation on the conduction regime (clean or dirty) of the - and -band of MgB have been investigated by means of far-infrar…