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

Journal Article · Sat Apr 01 00:00:00 EST 2006 · Physical Review. B, Condensed Matter and Materials Physics

DOI:https://doi.org/10.1103/PHYSREVB.73.1· OSTI ID:20788035

Muntyanu, F M ^[1]; Gilewski, A ^[2]; Magnet, PL-50421 Wroclaw ^[3]; Nenkov, K ^[2]; Warchulska, J ^[2]; Zaleski, A J ^[4]

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1. Institute of Applied Physics, Academy of Sciences of Moldova, MD-2028 Chisinau (Moldova, Republic of)
2. International Laboratory of High Magnetic Fields and Low Temperatures, PL-53421 Wroclaw (Poland)
3. Poland
4. Institute of Low Temperatures and Structural Research, Polish Academy of Sciences, Wroclaw (Poland)

Magnetization measurements prove that the magnetic properties of large-angle ({theta}>30 deg. ) bismuth bicrystals with a crystallite interface (CI) of twisting types essentially differ from well-known results on single-crystalline specimens. Two superconducting phases with T{sub c}{approx}8.4 K and {approx}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.

• OSTI ID: 20788035
• Journal Information: Physical Review. B, Condensed Matter and Materials Physics, Vol. 73, Issue 13; Other Information: DOI: 10.1103/PhysRevB.73.132507; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1098-0121
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BICRYSTALS
BISMUTH
INTERFACES
LAYERS
MAGNETIC PROPERTIES
MAGNETIZATION
MONOCRYSTALS
ORIENTATION
TRANSITION TEMPERATURE
TYPE-II SUPERCONDUCTORS