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Published on: June 18, 2013
NbN superconducting nanonetwork fabricated using porous silicon templates and high-resolution electron beam
M Salvato1, R Baghdadi2, C Cirillo3
1Dipartimento di Fisica, Università di Roma 'Tor Vergata', I-00133, Rome and CNR-SPIN Salerno, via Giovanni Paolo II 132, I-84084 Fisciano (Sa), Italy.
Abstract:
Superconducting NbN nanonetworks with a very small number of interconnected nanowires, with diameter of the order of 4 nm, are fabricated combining a bottom-up (use of porous silicon nanotemplates) with a top-down technique (high-resolution electron beam lithography). The method is easy to control and allows the fabrication of devices, on a robust support, with electrical properties close to a one-dimensional superconductor that can be used fruitfully for novel applications.
