Experimental magnetization evidence for two superconducting phases in Bi bicrystals with large crystallite disorientation angles
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MUNTYANU, Fiodor M., GILEWSKI, Andrzej, NENKOV , Konstantin A., WARCHULSKA, Jolanta K., ZALESKI, Andrzej Janusz. Experimental magnetization evidence for two superconducting phases in Bi bicrystals with large crystallite disorientation angles. In: Physical Review B - Condensed Matter and Materials Physics, 2006, vol. 73, p. 0. ISSN 1098-0121. DOI: https://doi.org/10.1103/PhysRevB.73.132507
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Physical Review B - Condensed Matter and Materials Physics
Volumul 73 / 2006 / ISSN 1098-0121 /ISSNe 1550-235X

Experimental magnetization evidence for two superconducting phases in Bi bicrystals with large crystallite disorientation angles

DOI:https://doi.org/10.1103/PhysRevB.73.132507

Pag. 0-0

Muntyanu Fiodor M.12, Gilewski Andrzej23, Nenkov Konstantin A.24, Warchulska Jolanta K.2, Zaleski Andrzej Janusz5
 
1 Institute of Applied Physics, Academy of Sciences of Moldova,
2 International Laboratory of High Magnetic Fields and Low Temperatures,
3 MagNet, Wrocław,
4 Leibniz-Institut für Festkörper und Werkstofforschung Dresden - IFW Dresden,
5 Institute of Low Temperatures and Structural Research, PAS
 
 
Disponibil în IBN: 28 iunie 2023


Rezumat

Magnetization measurements prove that the magnetic properties of large-angle (θ>30°) bismuth bicrystals with a crystallite interface (CI) of twisting types essentially differ from well-known results on single-crystalline specimens. Two superconducting phases with Tc ∼8.4 K and ∼4.3 K were observed at the CI of bicrystals while ordinary rhombohedral Bi is not a superconductor. We conclude that these phases have to do with the central part and the adjacent layers of the CI of bicrystals. 

Cuvinte-cheie
Bismuth, thermoelectric, thin films