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  • Title: Rashba Spin Splitting in HgCdTe Quantum Wells with Inverted and Normal Band Structures.
    Author: Gudina SV, Neverov VN, Popov MR, Turutkin KV, Podgornykh SM, Shelushinina NG, Yakunin MV, Mikhailov NN, Dvoretsky SA.
    Journal: Nanomaterials (Basel); 2022 Apr 06; 12(7):. PubMed ID: 35407355.
    Abstract:
    In quantum wells (QWs) formed in HgCdTe/CdHgTe heterosystems with a variable composition of Cd(Hg), Shubnikov-de-Haas (SdH) oscillations are investigated to characterize the Rashba-type spin-orbit coupling in QWs with both a normal and inverted band structure. Several methods of extracting the Rashba spin-splitting at zero magnetic field and their magnetic field dependences from the beatings of SdH oscillations are used for greater reliability. The large and similar Rashba splitting (25-27 meV) is found for different kinds of spectrum, explained by a significant fraction of the p-type wave functions, in both the E1 subband of the sample with a normal spectrum and the H1 subband for the sample with an inverted one.
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