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  • Spin-related phenomena in the two-dimensional hopping regime in magnetic field
    Shumilin, Andrei ; Smirnov, D. S. ; Golub, L. E.
    The spin relaxation time of localized charge carriers is a few orders of magnitude larger than that of free electrons and holes. Therefore, mutual conversion of spin polarization, charge current, and ... spin current turns out to be underlined in the hopping conductivity regime. We reveal different regimes of the coupled spin and charge dynamics depending on the relation between the spin relaxation time and the characteristic hopping time. We derive kinetic equations to describe electrical spin orientation, dc spin Hall effect, and spin-galvanic effect in the transverse magnetic field. The generalized macroscopic conductivities describing these effects are calculated using percolation theory supported by numerical simulation. The conductivities change the sign at least once as functions of magnetic field for all values of the spin relaxation time
    Vir: Physical review. B. [Elektronski vir]. - ISSN 2469-9969 (Vol. 98, Art. 155304, 2018, 12 str.)
    Vrsta gradiva - e-članek ; neleposlovje za odrasle
    Leto - 2018
    Jezik - angleški
    COBISS.SI-ID - 147512835

    Povezava(-e):

    https://journals.aps.org/prb/abstract/10.1103/PhysRevB.98.155304
    DOI

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