Study of Superconductivty of Lead Nano Structure
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Date
2009-06
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Addis Ababa University
Abstract
Quantum confinement of electrons in clean nanowires and nanofilms results in the formation
of a series of subbands that move in energy with changing wire/film thickness.
When the bottom of such a subband moves through the Fermi surface, the density of
states changes and a size-dependent superconducting resonance appears, leading to
quantum-size oscillations in the critical temperature Tc and the order parameter 4
. Our theoretical formulation is based on a numerical solution of the Bogoliubovde
Gennes equations in the clean limit
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Keywords
Leading to Quantum-size Oscillations