| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Nashchekina, Olga
National Technical University "Kharkiv Polytechnic Institute"
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2021Percolation effects and self-organization processes in cold-pressed Bi2(Te1−xSex)3 solid solutionscitations
- 2020Transport properties of the bismuth telluride thin films with different stoichiometry in the temperature range 77-300 Kcitations
- 2020Size effects and thermoelectric properties of Bi0.98Sb0.02 thin films
- 2020Percolation transition and physical properties of Bi1-xSbx solid solutions at low Bi concentrationcitations
- 2019Thickness-dependent quantum oscillations of the transport properties in bismuth selenide thin filmscitations
- 2019Effect of Deviation from Stoichiometry on Thermoelectric Properties of Bi₂Te₃ Polycrystals and Thin Films in the Temperature Range 77-300 Kcitations
- 2019Percolation effects and self-organization processes in Bi₂(Te₁₋ₓSeₓ)₃ solid solutionscitations
- 2018Structure of thermally evaporated bismuth selenide thin filmscitations
- 2017Heat capacity and microhardness of the topological crystalline insulator Pb₁₋ₓSnₓTe near the band inversion compositioncitations
- 2016Growth and structure of thermally evaporated Bi2Te3 thin filmscitations
Places of action
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article
Thickness-dependent quantum oscillations of the transport properties in bismuth selenide thin films
Abstract
The objects of the present study were thin n-Bi2Se3 films with thicknesses d = 10–100 nm, grown by thermal evaporation of n-Bi2Se3 crystals in vacuum onto heated glass substrates. The room temperature d-dependences of the Seebeck coefficient, the Hall coefficient, and the electrical conductivity of the films exhibited an oscillatory behavior, which we attribute to quantum size effects. Such interpretation of the results is supported by the fact that experimentally determined values of the oscillation period are in quite good agreement with the theoretically calculated ones. We suggest that the large amplitude and undamped character of the oscillations in the studied range of thicknesses are connected with the topologically protected gapless surface states of Bi2Se3. The observed oscillatory character of the d-dependences of the transport coefficients should be taken into account when 2D-structures are applied in nanothermoelectricity and other fields of nanoscience and nanotechnology.