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Semimetal-Semiconductor Transitions in Semimetal Bismuth-Antimony Nanowires Induced by Size Quantization, Strain, and Magnetic Field

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dc.contributor.author NIKOLAEVA, Albina A.
dc.contributor.author KONOPKO, Leonid A.
dc.contributor.author HUBER, Tito E.
dc.contributor.author BODIUL, Pavel P.
dc.contributor.author POPOV, Ivan A.
dc.contributor.author MOLOSHNIK, Eugen F.
dc.date.accessioned 2022-02-23T10:13:44Z
dc.date.available 2022-02-23T10:13:44Z
dc.date.issued 2011
dc.identifier.citation NIKOLAEVA, Albina A., KONOPKO, Leonid A., HUBER, Tito E. et al. Semimetal-Semiconductor Transitions in Semimetal Bismuth-Antimony Nanowires Induced by Size Quantization, Strain, and Magnetic Field. In: MRS Online Proceedings Library. 2011, V. 1350, N. 1, pp. 1010. ISSN 1946-4274. en_US
dc.identifier.issn 1946-4274
dc.identifier.uri https://doi.org/10.1557/opl.2011.1164
dc.identifier.uri http://repository.utm.md/handle/5014/19463
dc.description Access full text – https://doi.org/10.1557/opl.2011.1164 en_US
dc.description.abstract In this work, we study glass-coated single-crystal Bi98Sb02 wires obtained by liquid phase casting. Semimetal Bi98Sb02 nanowires exhibited a “semiconductor” behavior of the temperature dependence R(T) for wire diameters <400 nm, which is significantly higher than the critical diameter (70 nm) for similar dependences R(T) of pure bismuth nanowires. The thermopower sign reversal in the temperature dependence α(T) was found to depend on the wire diameter d. The effect is interpreted in terms of manifestation of the quantum size effect, based on the appearance a new scattering channel stimulated by fluctuations in the diameter d. The effect of negative magnetoresistance in a perpendicular magnetic field was observed for the first time both at H || C3 and H || C2 in magnetic fields of 1 T. It is shown that a semimetal-semiconductor transition can be controlled using an elastic strain and a strong magnetic field, which lead to a significant shift of the band boundaries of the energy extrema in the bands. en_US
dc.language.iso en en_US
dc.publisher Springer Nature Switzerland en_US
dc.rights Attribution-NonCommercial-NoDerivs 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/us/ *
dc.subject glass-coated single-crystals wires en_US
dc.subject single-crystals wires en_US
dc.subject wires en_US
dc.subject semimetal nanowires en_US
dc.subject nanowires en_US
dc.subject bismuth nanowires en_US
dc.subject magnetic fields en_US
dc.title Semimetal-Semiconductor Transitions in Semimetal Bismuth-Antimony Nanowires Induced by Size Quantization, Strain, and Magnetic Field en_US
dc.type Article en_US


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