Quantum Effects of Non-Ballistic Transport in Films Based on Compound PbSnAgTe
Author(s) -
O.B. Kostyuk,
M. A. Ruvinskiı̆,
Е. В. Ивакин,
M. Yu. Pereginchuk
Publication year - 2017
Publication title -
physics and chemistry of solid state
Language(s) - English
Resource type - Journals
eISSN - 2309-8589
pISSN - 1729-4428
DOI - 10.15330/pcss.18.4.403
Subject(s) - condensed matter physics , magnetoresistance , scattering , materials science , weak localization , crystallite , spin–orbit interaction , ballistic conduction , magnetic field , perpendicular , muscovite , spin (aerodynamics) , giant magnetoresistance , electron , physics , optics , quantum mechanics , composite material , geometry , mathematics , quartz , metallurgy , thermodynamics
Based on the theory of weak localization, taking into account the mechanism of spin-orbit scattering, the patterns of change in the magnetic conductivity of films PbSnAgTe are considered. The dependences of the magnetoresistance of PbSnAgTe films in a magnetic field perpendicular to the surface of the film are studied. It is shown that for polycrystalline films on mica-muscovite substrates, the time of spin-orbital interaction depends on the composition and may change the sign of the magnetoresistance.
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