Charge transport in a single superconducting tin nanowire encapsulated in a multiwalled carbon nanotube

Details Charge transport in a single superconducting tin nanowire encapsulated in a multiwalled carbon nanotube Charge transport in a single superconducting tin nanowire encapsulated in a multiwalled carbon nanotube

2009-11-27

arxiv.org/abs/0911.5329v2

Nano Lett., 2008, 8 (9), pp 3060-3064

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

10.1021/nl080850t

The charge transport properties of single superconducting tin nanowires, encapsulated by multiwalled carbon nanotubes have been investigated by multi-probe measurements. The multiwalled carbon nanotube protects the tin nanowire from oxidation and shape fragmentation and therefore allows us to investigate the electronic properties of stable wires with diameters as small as 25 nm. The transparency of the contact between the Ti/Au electrode and nanowire can be tuned by argonion etching the multiwalled nanotube. Application of a large electrical current results in local heating at the contact which in turn suppresses superconductivity.

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