Superconductivity, Weak Magnetism, and Quantum Transport of Bi1-xSbx (0.07 ≤ x ≤ 0.2) Crystallite Structures with Nano-width Interfaces an at Increased Degree of Imperfection
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MUNTYANU, Fiodor M., GILEWSKI, Andrzej, NENKOV , Konstantin A., ZALESKI, Andrzej Janusz, CHISTOL, Vitalie. Superconductivity, Weak Magnetism, and Quantum Transport of Bi1-xSbx (0.07 ≤ x ≤ 0.2) Crystallite Structures with Nano-width Interfaces an at Increased Degree of Imperfection. In: Nanotechnologies and Biomedical Engineering, Ed. 5, 3-5 noiembrie 2021, Chişinău. Chişinău: Pontos, 2021, Ediția 5, p. 69. ISBN 978-9975-72-592-7.
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Nanotechnologies and Biomedical Engineering
Ediția 5, 2021
Conferința "Nanotechnologies and Biomedical Engineering"
5, Chişinău, Moldova, 3-5 noiembrie 2021

Superconductivity, Weak Magnetism, and Quantum Transport of Bi1-xSbx (0.07 ≤ x ≤ 0.2) Crystallite Structures with Nano-width Interfaces an at Increased Degree of Imperfection


Pag. 69-69

Muntyanu Fiodor M.1, Gilewski Andrzej2, Nenkov Konstantin A.3, Zaleski Andrzej Janusz4, Chistol Vitalie5
 
1 Institute of the Electronic Engineering and Nanotechnologies "D. Ghitu",
2 MagNet, Wrocław,
3 Leibniz-Institut für Festkörper und Werkstofforschung Dresden - IFW Dresden,
4 Institute of Low Temperatures and Structural Research, PAS,
5 Technical University of Moldova
 
 
Disponibil în IBN: 16 noiembrie 2021


Rezumat

The weak magnetism, superconductivity, and quantum oscillations phenomena in Bi1xSbx (0 ≤ x ≤ 0.2) crystallite structures with nano-width multilayer interfaces have been studied. We found that the Dirac charge carriers in interface layers are much heavier than in the bulk crystallites, the high imperfection at interfaces has a significant influence on carrier scattering, which predetermines the manifestation of various anomalies of electronic magneto-transport. One or two superconducting transitions with Tc ≤ 21 K were detected in all structures, some of them also showed weak ferromagnetism, while others with a rather high content of imperfections and two superconducting transitions exhibit dual superimposed ferromagnetic and superconducting hysteresis loops, indicating simultaneously coexistence of superconductivity and weak ferromagnetism.

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