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Strength of the symmetry spin filtering effect in magnetic tunnel junctions
Sergey V. Faleev, Stuart S. P. Parkin, Oleg N. Mryasov
Strength of the the symmetry spin filtering effect (as defined by the asymptotic behavior of the tunneling magnetoresistance (TMR) at large barrier thicknesses induced by this effe…
Brillouin zone spin filtering mechanism of enhanced TMR and correlation effects in Co(0001)/h-BN/Co(0001) magnetic tunnel junction
Sergey V. Faleev, Stuart S. P. Parkin, Oleg N. Mryasov
The 'Brillouin zone spin filtering' mechanism of enhanced tunneling magnetoresistance (TMR) is described for magnetic tunnel junctions (MTJ) and studied on an example of the MTJ wi…
Effect of electron correlations on (001) Fe/MgO interfaces
Sergey V. Faleev, Oleg N. Mryasov, Mark van Schilfgaarde
We developed a parametrization of transmission probability that reliably captures essential elements of the tunneling process in magnetic tunnel junctions. The electronic structure…
Ferroelectric domain scaling and electronic properties in ultrathin BiFeO3 films on vicinal substrates
Vilas Shelke, Dipanjan Mazumdar, Sergey Faleev +5
We report electrically switchable polarization and ferroelectric domain scaling over a thickness range of 5-100 nm in BiFeO3 films deposited on [110] vicinal substrates. The BiFeO3…
QSGW calculation of the work functions of Al(111) and Al(100) surfaces
Sergey V. Faleev, Oleg N. Mryasov, Thomas R. Mattsson
Modifications to the quasiparticle self-consistent GW (QSGW) method needed to correctly describe metal/vacuum interfaces and other systems having extended regions with small electr…
Theory of enhancement of thermoelectric properties of materials with nanoinclusions
Sergey V. Faleev, François Léonard
Based on the concept of band bending at metal/semiconductor interfaces as an energy filter for electrons, we present a theory for the enhancement of the thermoelectric properties o…