Introduction to Superconductivity

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Introduction to Superconductivity
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Analysis of IVCs of nanostripes
At T ltTc interesting steps appear in the IVCs
the existence of constrictions in the width
and/or thickness of the stripe forces the current
to exceed Ic in the constrictions first, and the
superconducting order parameter collapses.
IV characteristics of the nanostrip at T6.6 K
(left) and T7K (right)
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Analysis of IVCs of nanostripes
400nm NbN(8)/NiCu(5)
The steps are much more in an intermediate region
(TBKTltTltTph) ????
a linear behaviour of Ic(T)
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Nanoparticle Surface Plasmon
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?
d ltlt
?
Nanoparticle
d
Light resonance with the surface plasmon
oscillation causes the free electrons in the
metal to oscillate.
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SURFINT_SREN III Firenze 2012
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Plasmonics Array with BCP