Abstract
Abstract We investigate here the magneto-transport properties of a 10 nm-wide p-type PbTe single quantum well doped with BaF2 as a function of temperature in the presence and absence of infrared light. Magnetoresistance measurements indicated the presence of Shubnikov-de Haas oscillations that are slightly altered at illuminated conditions. The fast Fourier transform analysis showed that, in dark conditions, the electrical transport occurs mainly via confined states derived from the longitudinal valley, while transport through the oblique valley is enhanced when light is switched on. Detailed analysis provided a full description of the transport properties including cyclotronic masses, Lande g-factors, and Rashba splitting.
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More From: Physica E: Low-dimensional Systems and Nanostructures
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