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Superconductivity in centimeter length Indium-Gallium nanowires

Zhao, W., Bischof, J., Singh, M., Fitzgibbons, T.C., Liu, X., Liu, C., Wang, L., Cai, Z., Chen, S., Hayes, J., Sazio, P.J.A., Badding, J.V. and Chan, M.H.W. (2013) Superconductivity in centimeter length Indium-Gallium nanowires At The American Physical Society (APS) March Meeting 2013, United States. 18 - 22 Mar 2013.

Record type: Conference or Workshop Item (Paper)


In-doped Ga nanowires ~150 nm in diameter and ~6mm in length have been formed in silica nanocapillaries. X-ray fluorescence and diffraction measurements performed at the Advanced Photon Source have been used to characterize their chemical composition and crystal structure. Investigation of the low temperature transport properties of these wires reveals a two stage superconducting transition. Magnetoresistance measurements are suggestive of vortex trapping in the wire. The X-ray fluorescence measurements suggest phase separation in the capillaries into Ga nanodroplets and In-Ga eutectic wires. A model to explain the vortex trapping consistent with this observation is being developed.
This work is supported by the Penn State Materials Research Science and Engineering Center, funded by the National Science Foundation (DMR 0820404). TCF and LW are supported by the Energy Frontier Research Center ( DE-0001057), DOE.

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e-pub ahead of print date: 2013
Venue - Dates: The American Physical Society (APS) March Meeting 2013, United States, 2013-03-18 - 2013-03-22
Organisations: Optoelectronics Research Centre


Local EPrints ID: 376003
PURE UUID: e3be1ed9-7f47-4d31-a36f-359fe6647092
ORCID for P.J.A. Sazio: ORCID iD

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Date deposited: 22 Apr 2015 14:06
Last modified: 17 Jul 2017 21:12

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Author: W. Zhao
Author: J. Bischof
Author: M. Singh
Author: T.C. Fitzgibbons
Author: X. Liu
Author: C. Liu
Author: L. Wang
Author: Z. Cai
Author: S. Chen
Author: J. Hayes
Author: P.J.A. Sazio ORCID iD
Author: J.V. Badding
Author: M.H.W. Chan

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