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Nanosized superconducting constrictions

M. Poza, E. Bascones, J. G. Rodrigo, N. Agrait, S. Vieira, F. Guinea

cond-mat.mes-hallarXiv:cond-mat/9804039

Abstract

Nanowires of lead between macroscopic electrodes are produced by means of an STM. Magnetic fields may destroy the superconductivity in the electrodes, while the wire remains in the superconducting state. The properties of the resulting microscopic Josephson junctions are investigated.

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