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Features of thermomagnetic transport due to the superconducting interfaces in inclination bicrystals of Bi and 3D topological insulator Bi1−xSbx

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dc.contributor.author MUNTYANU, F. M.
dc.contributor.author V. CHISTOL, V.
dc.date.accessioned 2021-10-07T08:00:39Z
dc.date.available 2021-10-07T08:00:39Z
dc.date.issued 2019
dc.identifier.citation MUNTYANU, F. M., CHISTOL, V. Features of thermomagnetic transport due to the superconducting interfaces in inclination bicrystals of Bi and 3D topological insulator Bi1−xSbx. In: Physica B: Condensed Matter, 2019, V. 568, pp. 66-69. ISSN 0921-4526. en_US
dc.identifier.uri https://doi.org/10.1016/j.physb.2019.05.032
dc.identifier.uri http://repository.utm.md/handle/5014/17604
dc.description Access full text - . https://doi.org/10.1016/j.physb.2019.05.032 en_US
dc.description.abstract We studied the thermomagnetic power Sii (B) and Nernst–Ettingshausen effect Sii (B) in inclination bicrystals of Bi and 3D topological insulator Bi1−x Sbx (0.04 < x ≤ 0.12) with superconducting nano-width interfaces (Tc ≤ 21 K). High values of thermomagnetic effects in small disorientation angle (SDA) bicrystals far exceeding values in single-crystalline samples were found. It was established that Sii (B) linearly increases in high fields without saturation and change the sign from negative in positive in bicrystals of 3D Dirac point forming (x - 0.04), specifying the signature of 3D topological semimetal. Contrarily, Sii (B) in LDA bicrystals with 0.06 ≤ x ≤ 0.12 undergoes saturation or increases smoothly, the Landau level index depends linearly on 1/Bn, and extrapolate to – 0.5 if 1/Bn → 0, what is typical for the 3D topological insulators. Two new quantum oscillation harmonics are reviled in high fields; they characterize different densities of electronic states and different levels of disorder at LDA and SDA interfaces. en_US
dc.language.iso en en_US
dc.publisher Elsevier 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 bismuth en_US
dc.subject bismuth-antimony alloys en_US
dc.subject bicrystal interfaces en_US
dc.subject interfaces en_US
dc.subject superconductivity en_US
dc.subject ferromagnetism en_US
dc.subject topological insulators en_US
dc.subject insulators en_US
dc.title Features of thermomagnetic transport due to the superconducting interfaces in inclination bicrystals of Bi and 3D topological insulator Bi1−xSbx en_US
dc.type Article en_US


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