Volume 78, Number 3, May 2007
|Number of page(s)||5|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||23 April 2007|
Superconductivity in films
Laboratoire de Chimie de Coordination, UPR CNRS 8241 - 205 route de Narbonne, F-31077 Toulouse, France
2 Laboratoire de Physique des Solides, Université Paris-Sud, UMR CNRS 8502 - Orsay, F-91405, France
3 Institut de Ciència de Materials de Barcelona (ICMAB-CSIC) - Campus de la UAB, E-08193 Bellaterra, Spain
4 ENSIACET-CIRIMAT, UMR CNRS 5085 - 118 route de Narbonne, F-31077 Toulouse, France
Accepted: 26 March 2007
We report on the observation of a superconducting transition in a fiber-like film of the phase electrodeposited on silicon substrates. Superconductivity is evidenced by a broad drop of the resistance below 0.8 K under the application of a hydrostatic pressure of 7.7 kbar. Zero resistance is not reached due to the contribution of inter-fiber resistance. Superconductivity is confirmed by the application of a magnetic field perpendicular to the plane of the film. The critical field determined on the film is in agreement with that obtained in bulk single crystals.
PACS: 74.78.-w – Superconducting films and low-dimensional structures / 74.70.Kn – Organic superconductors / 73.50.-h – Electronic transport phenomena in thin films
© Europhysics Letters Association, 2007
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