TY - JOUR
T1 - Dimensional crossover and its effects on localization/interaction and superconductivity in Si/Nb multilayers
AU - Song, S. N.
AU - Ketterson, J. B.
PY - 1991/5/13
Y1 - 1991/5/13
N2 - The effect of the dimensional crossover on localization/interaction and superconductivity in ultrathin Si/Nb multilayers has been studied by systematically varying the Nb and Si layer thicknesses to separately control the degree of disorder and the anisotropy. A small coupling is sufficient to drive the strongly localized states into the weak localization regime. As a result, superconductivity may persist up to an R□ much larger than h (2e)2. The results are in qualitative agreement with a recently proposed anisotropic tight-binding model for localization.
AB - The effect of the dimensional crossover on localization/interaction and superconductivity in ultrathin Si/Nb multilayers has been studied by systematically varying the Nb and Si layer thicknesses to separately control the degree of disorder and the anisotropy. A small coupling is sufficient to drive the strongly localized states into the weak localization regime. As a result, superconductivity may persist up to an R□ much larger than h (2e)2. The results are in qualitative agreement with a recently proposed anisotropic tight-binding model for localization.
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U2 - 10.1016/0375-9601(91)90492-Q
DO - 10.1016/0375-9601(91)90492-Q
M3 - Article
AN - SCOPUS:3042969585
SN - 0375-9601
VL - 155
SP - 325
EP - 330
JO - Physics Letters, Section A: General, Atomic and Solid State Physics
JF - Physics Letters, Section A: General, Atomic and Solid State Physics
IS - 4-5
ER -