Referenced Items are not available for this document.
We have successfully fabricated superconducting niobium nitride thin films on single crystals of magnesium oxide using a pulsed laser deposition technique where 1064 nm (photon energy ~1.16 eV) laser pulses from an Nd:YAG laser were used for ablation. A correlation between the superconducting transition temperature, the nitrogen base pressure during deposition and the lattice parameter of the produced NbN films was observed. Superconductor-insulator-normal metal junctions fabricated using these NbN films as the superconductor revealed nonlinear electrical characteristics at 4.2 K associated with quasiparticle tunneling.
Published in:
Applied Superconductivity, IEEE Transactions on
(Volume:21
,
Issue:
3
)
Date of Publication: June 2011
- Page(s):
- 143 - 146
- ISSN :
- 1051-8223
- INSPEC Accession Number:
- 12022830
- Digital Object Identifier :
- 10.1109/TASC.2010.2081656
- Date of Publication :
- 01 November 2010
- Date of Current Version :
- 27 May 2011
- Issue Date :
- June 2011
- Sponsored by :
- The IEEE Council on Superconductivity
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