Ab initio electronic structure, optical, and magneto-optical properties of MnGaAs digital ferromagnetic heterostructures (Articolo in rivista)

Type
Label
  • Ab initio electronic structure, optical, and magneto-optical properties of MnGaAs digital ferromagnetic heterostructures (Articolo in rivista) (literal)
Anno
  • 2015-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.91.075207 (literal)
Alternative label
  • Patrizia Rosa, 1,2 Davide Sangalli, 2,3,4 Giovanni Onida, 1,4 and Alberto Debernardi 2 (2015)
    Ab initio electronic structure, optical, and magneto-optical properties of MnGaAs digital ferromagnetic heterostructures
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Patrizia Rosa, 1,2 Davide Sangalli, 2,3,4 Giovanni Onida, 1,4 and Alberto Debernardi 2 (literal)
Pagina inizio
  • 075207-1 (literal)
Pagina fine
  • 075207-9 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 91 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 9 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopus (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [1]Dipartimento di Fisica, Univesit`a degli studi di Milano, via Celoria 16, I-20133 Milano, Italy [2]CNR-IMM, Unit`a Operativa di Supporto Agrate Brianza, via Olivetti 2, I-20864 Agrate Brianza, Italy [3] CNR-ISM, Unit`a Operativa di Supporto di Montelibretti, via Salaria Km 29.3, I-00016 Montelibretti, Italy [4] European Theoretical Spectroscopy Facility, Via Celoria 16, 20133 Milano, Italy (literal)
Titolo
  • Ab initio electronic structure, optical, and magneto-optical properties of MnGaAs digital ferromagnetic heterostructures (literal)
Abstract
  • We report on a theoretical study of the electronic, optical, and magneto-optical properties of digital ferromagnetic heterostructures based on Mn ?-doped GaAs. We consider different structures corresponding to Mn contents within the range 12%-50% and we study how the system changes as a function of the doping con- centration. Our first-principles approach includes the spin-orbit interaction in a fully relativistic pseudopotential scheme and the local-field effect in the description of the optical absorption. We show that Mn ?-doped GaAs shares many properties with the uniformly doped Ga 1-x Mn x As system, i.e., half-metallicity, similar absorption spectra, and moderate Kerr rotation angles in the visible spectral region. (literal)
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