Influence of nitrogen-cluster states on the gyromagnetic factor of electrons in GaAs1-xNx (Articolo in rivista)

Type
Label
  • Influence of nitrogen-cluster states on the gyromagnetic factor of electrons in GaAs1-xNx (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.74.245202 (literal)
Alternative label
  • Pettinari, G; Masia, F; Polimeni, A; Felici, M; Frova, A; Capizzi, M; Lindsay, A; O'Reilly, EP; Klar, PJ; Stolz, W; Bais, G; Piccin, M; Rubini, S; Martelli, F; Franciosi, A (2006)
    Influence of nitrogen-cluster states on the gyromagnetic factor of electrons in GaAs1-xNx
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Pettinari, G; Masia, F; Polimeni, A; Felici, M; Frova, A; Capizzi, M; Lindsay, A; O'Reilly, EP; Klar, PJ; Stolz, W; Bais, G; Piccin, M; Rubini, S; Martelli, F; Franciosi, A (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 74 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Sapienza Univ Roma, CNISM, I-00185 Rome, Italy; Sapienza Univ Roma, Dipartimento Fis, I-00185 Rome, Italy; Tyndall Natl Inst, Cork, Ireland; Univ Marburg, Dept Phys, D-35032 Marburg, Germany; Univ Marburg, Mat Sci Ctr, D-35032 Marburg, Germany; TASC CNR, I-34012 Trieste, Italy (literal)
Titolo
  • Influence of nitrogen-cluster states on the gyromagnetic factor of electrons in GaAs1-xNx (literal)
Abstract
  • The effective gyromagnetic factor of electrons, g(e)(*), has been determined by Zeeman splitting measurements in a large number of GaAs1-xNx/GaAs (x < 0.7%) samples. Upon N incorporation, g(e)(*) shows first a sign reversal with respect to that of GaAs, then increases abruptly for a nitrogen concentration of order of 0.04%, and finally displays a nonmonotonic dependence on composition for higher x values. This behavior is well reproduced by a modified k center dot p model taking into account a nonmonotonic loss of Gamma character of the conduction band minimum due to multiple crossings between the redshifting conduction band edge and N-cluster states. (literal)
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