High Critical-Current Superconductor-InAs Nanowire-Superconductor Junctions
Artikel i vetenskaplig tidskrift, 2012

We report on the fabrication of InAs nanowires coupled to superconducting leads with high critical current and widely tunable conductance. We implemented a double lift off nanofabrication Method to get very short nanowire devices with Ohmic contacts. We observe very high critical. currents of up to 800 nA in a wire with a diameter of 80 nm. The current- voltage characteristics of longer and suspended nanowires display,either. Coulomb blockade or supercurrent depending on a local gate voltage, combining different regimes of transport in a single device.

supercurrent

josephson-junctions

InAs nanowires

supercurrent

Coulomb blockade

devices

Andreep reflection

Författare

Simon Abay

Chalmers, Mikroteknologi och nanovetenskap (MC2), Kvantkomponentfysik

H. Nilsson

Lunds Universitet

F. Wu

Chalmers University of Technology

H. Q. Xu

Lunds Universitet

Peking University

Christopher Wilson

Chalmers, Mikroteknologi och nanovetenskap (MC2), Kvantkomponentfysik

Per Delsing

Chalmers, Mikroteknologi och nanovetenskap (MC2), Kvantkomponentfysik

Nano Letters

1530-6984 (ISSN) 1530-6992 (eISSN)

Vol. 12 5622-5625

Ämneskategorier

Kemi

DOI

10.1021/nl302740f