Probing the electron-phonon coupling in MgB2 through magnetoresistance measurements in neutron irradiated thin films (Articolo in rivista)

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  • Probing the electron-phonon coupling in MgB2 through magnetoresistance measurements in neutron irradiated thin films (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1209/0295-5075/81/67006 (literal)
Alternative label
  • Monni, M; Pallecchi, I; Ferdeghini, C; Ferrando, V; Floris, A; D'Agliano, EG; Lehmann, E; Sheikin, I; Tarantini, C; Xi, XX; Massidda, S; Putti, M (2008)
    Probing the electron-phonon coupling in MgB2 through magnetoresistance measurements in neutron irradiated thin films
    in Europhysics letters (Print); IOP Publishing Ltd. (Institute of Physics Publishing Ltd), "Bristol ; London" (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Monni, M; Pallecchi, I; Ferdeghini, C; Ferrando, V; Floris, A; D'Agliano, EG; Lehmann, E; Sheikin, I; Tarantini, C; Xi, XX; Massidda, S; Putti, M (literal)
Pagina inizio
  • 67006 (literal)
Pagina fine
  • 67006 (literal)
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  • 81 (literal)
Rivista
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  • 6 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1 CNR-INFM-SLACSandDipartimentodiFisica,Universit`adiCagliari-CittadellaUniversitaria, I-09124Monserrato(CA),Italy 2 CNR-INFM-LAMIAandDipartimentodiFisica,Universit`adiGenova-ViaDodecaneso33,I-16146Genova,Italy 3 Institutf¨urTheoretischePhysik,FreieUniversit¨atBerlin-Arnimallee14,D-14195Berlin,Germany 4 PaulScherrerInstitut-CH-5232Villigen,Switzerland 5 GHMFL,MPI-FKF/CNRS-28AvenuedesMartyrs,BP166,F-38042GrenobleCedex9,France 6 ThePennsylvaniaStateUniversity-UniversityPark,PA16802,USA (literal)
Titolo
  • Probing the electron-phonon coupling in MgB2 through magnetoresistance measurements in neutron irradiated thin films (literal)
Abstract
  • \"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 electron-phonon coupling. We obtain good quantitative agreement between high-field measurements on neutron-irradiated epitaxial thin films and calculations within Bloch-Boltzmann transport theory over a wide range of magnetic fields (0-28 T) and temperatures (40-300 K), and as a function of the field orientation. The crossovers between in-plane and out-of-plane MR, experimentally observed as a function of either disorder or temperature are well reproduced indicating that disorder and interaction with phonons strongly affect the scattering rate of sigma-carriers. Copyright (c) EPLA, 2008.\" (literal)
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