Article ID Journal Published Year Pages File Type
5422925 Surface Science 2011 5 Pages PDF
Abstract
►We calculate the electric conductances of atomic contacts consisting of Au, Al and Pt based on nonequilibrium Green's function theory and phase shift analysis. ►We analytically introduce the charge neutrality condition through the Friedel sum rule. ►We have analytically shown that the electric conductances are quantized and can increase when the distance between two electrodes increases. ►We conclude that the increment of the electric conductance is interpreted by the Friedel sum rule.
Related Topics
Physical Sciences and Engineering Chemistry Physical and Theoretical Chemistry
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