Grain-size dependence of superconductivity in dc sputtered Nb films

Grain-size dependence of superconductivity in dc sputtered Nb films

The superconducting transition temperature and grain size of dc sputtered Nb films are systematically investigated. The results show that the superconductivity is closely related to the grain size, rather than to the scattering strength of electrons or the surface layer proximity effect of the films...

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Veröffentlicht in:Science China. Physics, mechanics & astronomy mechanics & astronomy, 2009-09, Vol.52 (9), p.1289-1292
Hauptverfasser: Jin, YiRong, Song, XiaoHui, Zhang, DianLin
Format: Artikel
Sprache:eng
Schlagworte:
Astronomy
Classical and Continuum Physics
effect
grain
Grain size
localization
Observations and Techniques
Particle size
Physics
Physics and Astronomy
proximity
size
sputtering
Superconductivity
Surface layers
Transition temperature
Transition temperatures
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Beschreibung
Zusammenfassung:The superconducting transition temperature and grain size of dc sputtered Nb films are systematically investigated. The results show that the superconductivity is closely related to the grain size, rather than to the scattering strength of electrons or the surface layer proximity effect of the films.
ISSN:1674-7348
1672-1799
1869-1927
1862-2844
DOI:10.1007/s11433-009-0196-9