Nonlinear current-voltage characteristics due to quantum tunneling of phase slips in superconducting Nb nanowire networks
- CNR-SPIN Salerno and Dipartimento di Fisica “E. R. Caianiello”, Università degli Studi di Salerno, Fisciano I-84084 (Italy)
- Belarusian State University of Informatics and Radioelectronics, P. Browka 6, Minsk 220013 (Belarus)
We report on the transport properties of an array of N∼30 interconnected Nb nanowires, grown by sputtering on robust porous Si substrates. The analyzed system exhibits a broad resistive transition in zero magnetic field, H, and highly nonlinear V(I) characteristics as a function of H, which can be both consistently described by quantum tunneling of phase slips.
- OSTI ID:
- 22217764
- Journal Information:
- Applied Physics Letters, Vol. 103, Issue 25; Other Information: (c) 2013 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6951
- Country of Publication:
- United States
- Language:
- English
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