TY  - JOUR
AU  - Romijn, J.
AU  - Klapwijk, T. M.
AU  - Renne, M. J.
AU  - Mooij, J. E.
PY  - 1982
DA  - 1982//
TI  - Critical pair-breaking current in superconducting aluminum strips far below Tc
T2  - Phys. Rev. B
JO  - Phys. Rev. B
SP  - 3648
EP  - 3655
VL  - 26
IS  - 7
KW  - superconducting nanowire
AB  - Critical currents of narrow, thin aluminum strips have been measured as a function of temperature. For the smallest samples uniformity of the current density is obtained over a large temperature range. Hence the intrinsic limit on the currentcarrying capacity of the superconductor was measured outside the Ginzburg-Landau -regime. The experimental values are compared with recent theoretical predictions by Kupriyanov and Lukichev. An approximate method of solving their equations is given, the results of which agree with the exact solution to within 1%. Experimental data are in excellent agreement with theoretical predictions. The absolute values agree if one assumes a ρl value of 4×10–16 Ωm2 with vF=1.3×106 m/s. This value for ρl is the same as that found from measurements of the anomalous skin effect but differs from values extracted from size-effect-limited resistivity.
UR  - https://doi.org/10.1103/PhysRevB.26.3648
DO  - 10.1103/PhysRevB.26.3648
N1  - Recommended by Klapwijk
ID  - Romijn_etal1982
ER  -