Browsing Conferinţe by Subject "quantum size effect"

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  • Angle dependence of the magnetoresistance in bi nanowires 
    KONOPKO, Leonid; NIKOLAEVA, Albina; HUBER, Tito; ROGACKI, Krzysztof (Tehnica UTM, 2019)
    Bulk bismuth has been classified as a trivial topological insulator (TI) where the surface states do not have topological protection. Still, the electronic mobility of surface states is exceptionally large. This is not ...
  • Magneto- seebeck coefficient Bi1-XSbX microwires for thermoelectric applications 
    NIKOLAEVA, Albina; KONOPKO, Leonid; HUBER, Tito; POPOV, Ivan; KOBYLIANSKAY, Anna (Tehnica UTM, 2019)
    Due to development of new concepts such as the low- dimensional structures [1] and influence the quantum confinement of change carrier acoustic phonon –boundary scattering for increase figure of merit ZT=2/(T) opened ...
  • Quantum electrical transport properties of topological insulator Bi0.83Sb0.17 nanowires 
    KONOPKO, Leonid; NIKOLAEVA, Albina; HUBER, Tito; ROGACKI, Krzysztof (Tehnica UTM, 2019)
    Recently a new class of insulator, namely, topological insulator (TI) [1], was proposed. A TI is a material with a bulk electronic excitation gap generated by the spin-orbit interaction, which is topologically distinct ...
  • Transport properties of a topological Insulator based on Bi0.83Sb0.17 nanowires 
    KONOPKO, Leonid; NIKOLAEVA, Albina; HUBER, Tito; ANSERMET, Jean-Philippe (Tehnica UTM, 2014)
    We have investigated the transport properties of topological insulator based on single-crystal Bi0.83Sb0.17 nanowires. The single-crystal nanowire samples in the diameter range 200 nm – 1.1 μm were prepared by the high ...

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