Magnetic aftereffect in compressively strained GaMnAs studied using Kerr microscopy (Articolo in rivista)

Type
Label
  • Magnetic aftereffect in compressively strained GaMnAs studied using Kerr microscopy (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.81.094412 (literal)
Alternative label
  • Herrera Diez H., Honolka J., Kern K., Placidi E., Arciprete F., Rushforth A.W., Campion R.P., Gallagher B.L. (2010)
    Magnetic aftereffect in compressively strained GaMnAs studied using Kerr microscopy
    in Physical review. B, Condensed matter and materials physics (CD-ROM); The American Physical Society, College Park, MD 20740-3844 (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Herrera Diez H., Honolka J., Kern K., Placidi E., Arciprete F., Rushforth A.W., Campion R.P., Gallagher B.L. (literal)
Pagina inizio
  • 094412 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 81 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • http://dx.doi.org/10.1103/PhysRevB.81.094412 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, 70569 Stuttgart, Germany Max-Planck-Institut für Metallforschung, Heisenbergstrasse 3, 70569 Stuttgart, Germany Dipartimento di Fisica, CNR-INFM, Università di Roma “Tor Vergata,” Via della Ricerca Scientifica 1, I-00133 Roma, Italy School of Physics and Astronomy, University of Nottingham, University Park, Nottingham NG7 2RD, United Kingdom (literal)
Titolo
  • Magnetic aftereffect in compressively strained GaMnAs studied using Kerr microscopy (literal)
Abstract
  • We study the magnetic aftereffect in compressively strained GaMnAs by means of Kerr microscopy. Under constant magnetic field conditions, a dramatic decrease in domain-wall velocity with time is observed, which is attributed to the irreversible magnetic aftereffect. The time- and space-resolved dynamics of single domain walls are used to derive the time dependence of the magnetization that is modeled considering two coexisting relaxation processes on fast and slow time scales. From fitting of the magnetization vs time curves, the activation volumes for two different GaMnAs samples have been estimated. (literal)
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