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Pis'ma v Zh. Èksper. Teoret. Fiz., 2015, Volume 102, Issue 11, Pages 864–869 (Mi jetpl4808)  

This article is cited in 6 scientific papers (total in 6 papers)

CONDENSED MATTER

Spin Hall conductivity in three-dimensional topological insulator/normal insulator heterostructures

V. N. Men'shovab, V. V. Tugushevcba, E. V. Chulkovdebfg

a National Research Centre Kurchatov Institute, 123182 Moscow, Russia
b Tomsk State University, 634050 Tomsk, Russia
c Prokhorov General Physics Institute of the RAS, 119991 Moscow, Russia
d Centro de Física de Materiales CFM-MPC, 20080 San Sebastián, Basque Country, Spain
e St. Petersburg State University, 198504 St. Petersburg, Russia
f Centro Mixto CSIC-UPV/EHU, 20080 San Sebastián, Basque Country, Spain
g Departamento de Física de Materiales, Facultad de Químicas, UPV/EHU, 20080 San Sebastián, Basque Country, Spain

Abstract: In the framework of an effective functional approach based on the $\mathbf{k}\cdot\mathbf{p}$ method, we study the combined effect of an interface potential and a thickness of a three-dimensional (3D) topological insulator (TI) thin film on the spin Hall conductivity in layered heterostructures comprising TI and normal insulator (NI) materials. We derive an effective two-dimensional (2D) Hamiltonian of a 3D TI thin film sandwiched between two NI slabs and define the applicability limits of approximations used. The energy gap and mass dispersion in the 2D Hamiltonian, originated from the hybridization between TI/NI interfacial bound electron states at the opposite boundaries of a TI film, are demonstrated to change sign with the TI film thickness and the interface potential strength. Finally, we argue that the spin Hall conductivity can efficiently be tuned varying the interface potential characteristics and TI film thickness.

Funding Agency Grant Number
Saint Petersburg State University 11.50.202.2015
We acknowledge partial support from Saint Petersburg State University (project #11.50.202.2015).


DOI: https://doi.org/10.7868/S0370274X15230113

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English version:
Journal of Experimental and Theoretical Physics Letters, 2015, 102:11, 754–759

Bibliographic databases:

Received: 14.10.2015
Revised: 27.10.2015
Language:

Citation: V. N. Men'shov, V. V. Tugushev, E. V. Chulkov, “Spin Hall conductivity in three-dimensional topological insulator/normal insulator heterostructures”, Pis'ma v Zh. Èksper. Teoret. Fiz., 102:11 (2015), 864–869; JETP Letters, 102:11 (2015), 754–759

Citation in format AMSBIB
\Bibitem{MenTug15}
\by V.~N.~Men'shov, V.~V.~Tugushev, E.~V.~Chulkov
\paper Spin Hall conductivity in three-dimensional topological insulator/normal insulator heterostructures
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2015
\vol 102
\issue 11
\pages 864--869
\mathnet{http://mi.mathnet.ru/jetpl4808}
\crossref{https://doi.org/10.7868/S0370274X15230113}
\elib{http://elibrary.ru/item.asp?id=25373107}
\transl
\jour JETP Letters
\yr 2015
\vol 102
\issue 11
\pages 754--759
\crossref{https://doi.org/10.1134/S0021364015230113}
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\scopus{http://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-84969211437}


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    Citing articles on Google Scholar: Russian citations, English citations
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    This publication is cited in the following articles:
    1. V. N. Men'shov, V. V. Tugushev, E. V. Chulkov, JETP Letters, 104:7 (2016), 453–459  mathnet  crossref  crossref  isi  elib
    2. S. V. Eremeev, I. A. Nechaev, E. V. Chulkov, Phys. Rev. B, 96:15 (2017), 155309  crossref  isi  scopus
    3. V. N. Men'shov, I. A. Shvets, V. V. Tugushev, E. V. Chulkov, Phys. Rev. B, 96:7 (2017), 075302  crossref  mathscinet  isi  scopus
    4. V. N. Men'shov, I. A. Shvets, V. V. Tugushev, E. V. Chulkov, J. Magn. Magn. Mater., 459:SI (2018), 231–235  crossref  isi  scopus
    5. V. V. Tugushev, V. N. Men'shov, I. A. Shvets, E. V. Chulkov, J. Magn. Magn. Mater., 459:SI (2018), 335–339  crossref  isi  scopus
    6. Men'shov V.N. Shvets I.A. Chulkov V E., Phys. Rev. B, 99:11 (2019), 115301  crossref  isi  scopus
  •       Pis'ma v Zhurnal ksperimental'noi i Teoreticheskoi Fiziki
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