Josephson Effect in Pb/I/NbSe2 Scanning Tunneling Microscope Junctions
نویسندگان
چکیده
منابع مشابه
Tunneling rates in electron transport through double-barrier molecular junctions in a scanning tunneling microscope.
The scanning tunneling microscope enables atomic-scale measurements of electron transport through individual molecules. Copper phthalocyanine and magnesium porphine molecules adsorbed on a thin oxide film grown on the NiAl(110) surface were probed. The single-molecule junctions contained two tunneling barriers, vacuum gap, and oxide film. Differential conductance spectroscopy shows that electro...
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The expression for additional subgap current in the presence of electron– phonon interaction is derived. We show that the phonon assisted tunneling leads to the appearance of peaks on current-voltage characteristics at the Josephson frequencies corresponding to the Raman-active phonons. The relation of the obtained results to the experimental observation are discussed. 72.20 Fg., 74.50.+r Types...
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Scanning tunneling microscopy and spectroscopy are employed in studies of the proximity effect between normal metals and superconductors. The experimental configuration is unique, in that the tunneling current flows in parallel to the interfaces between different materials. The samples are superconducting wires consisting of ordered arrays of submicron diameter normal-metal filaments, either Cu...
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ژورنال
عنوان ژورنال: International Journal of Modern Physics B
سال: 2003
ISSN: 0217-9792,1793-6578
DOI: 10.1142/s0217979203021423