Role of charge doping and lattice distortions in codoped Mg1-x(AlLi)(x)B-2 compounds (Articolo in rivista)

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  • Role of charge doping and lattice distortions in codoped Mg1-x(AlLi)(x)B-2 compounds (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Monni, M; Ferdeghini, C; Putti, M; Manfrinetti, P; Palenzona, A; Affronte, M; Postorino, P; Lavagnini, M; Sacchetti, A; Di Castro, D; Sacchetti, F; Petrillo, C; Orecchini, A (2006)
    Role of charge doping and lattice distortions in codoped Mg1-x(AlLi)(x)B-2 compounds
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Monni, M; Ferdeghini, C; Putti, M; Manfrinetti, P; Palenzona, A; Affronte, M; Postorino, P; Lavagnini, M; Sacchetti, A; Di Castro, D; Sacchetti, F; Petrillo, C; Orecchini, A (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 73 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Genoa, CNR, INFM, LAMIA, I-16146 Genoa, Italy; Univ Genoa, Dipartimento Fis, I-16146 Genoa, Italy; Univ Genoa, CNR, INFM, LAMIA, I-16146 Genoa, Italy; Univ Genoa, Dipartimento Chim & Chim Ind, I-16146 Genoa, Italy; Univ Modena, CNR, INFM, S3, I-41100 Modena, Italy; Univ Modena, Dipartimento Fis, I-41100 Modena, Italy; Univ Roma La Sapienza, CNR, INFM, COHERENTIA, I-00185 Rome, Italy; Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy; Univ Perugia, CNR, INFM, CRS,SOFT, I-06123 Perugia, Italy; Univ Perugia, Dipartimento Fis, I-06123 Perugia, Italy (literal)
Titolo
  • Role of charge doping and lattice distortions in codoped Mg1-x(AlLi)(x)B-2 compounds (literal)
Abstract
  • We prepared a series of Mg1-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 means of neutron and x-ray diffraction confirms that Li enters the MgB2 structure even though in an amount less than nominal one. We performed susceptibility, resistivity, and specific heat measurements. Vibrational properties were also investigated by means of Raman spectroscopy. We compare these results with those obtained on a homologous series of Mg1-xAlxB2 samples. The systematic success of scaling the relevant properties with the Al content rather than with the electron doping suggests that lattice deformation plays an important role in tuning the superconducting properties. (literal)
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