Superconducting crystallite interfaces with Tc up to 21 K in Bi and Bi-Sb bicrystals of inclination type

Muntyanu Fiodor M.; Gilewski Andrzej; Nenkov  Konstantin A.; Zaleski Andrzej Janusz; Chistol Vitalie

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MUNTYANU, Fiodor M., GILEWSKI, Andrzej, NENKOV , Konstantin A., ZALESKI, Andrzej Janusz, CHISTOL, Vitalie. Superconducting crystallite interfaces with Tc up to 21 K in Bi and Bi-Sb bicrystals of inclination type. In: Solid State Communications, 2008, vol. 147, pp. 183-185. ISSN 0038-1098. DOI: https://doi.org/10.1016/j.ssc.2008.05.024

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Solid State Communications

Volumul 147 / 2008 / ISSN 0038-1098 /ISSNe 1879-2766

Superconducting crystallite interfaces with T_c up to 21 K in Bi and Bi-Sb bicrystals of inclination type

DOI:https://doi.org/10.1016/j.ssc.2008.05.024

Pag. 183-185

Muntyanu Fiodor M.¹², Gilewski Andrzej², Nenkov Konstantin A.²³, Zaleski Andrzej Janusz⁴, Chistol Vitalie⁵

¹ Institute of Electronic Engineering and Industrial Technologies, Academy of Sciences of Moldova,
² Laboratory of High Magnetic Field and the Low Temperature,
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: 14 noiembrie 2023

Rezumat

Magnetic properties of high quality Bi and Bi_1-x-Sb_x (x ≤ 0.07) bicrystals of inclination type were studied in the temperature range (1.8-30) K using a quantum design SQUID magnetometer. It is found that the crystallite interfaces of some of these bicrystals show clear evidence for a superconducting transition at much higher critical temperatures (∼ 21 K) than other Bi nanoobjects.

Cuvinte-cheie
A. Bismuth bicrystal, A. superconductors, C. Superconducting crystallite interface, D. Electron-phonon interactions, D. Magnetic properties