Geometrical resonance effects in HTSC break junctions

A periodic structure has been observed in the tunneling characteristics of HTSC break junctions. This structure is explained in terms of the electron-hole interference effect in the surface layer, which causes the formation of bound states in the normal regions N of the SNINS-type junctions. Good qu...

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Bibliographic Details
Published in:Journal of low temperature physics 1996, Vol.105 (5-6), p.1225-1230
Main Authors: Aminov, B. A., Hein, M. A., Lorenz, M. A., M ller, G., Piel, H., Wehler, D., Kresin, V. Z., Ponomarev, Ya. G., Borisova, I. A., Chi, Chong Soon, Tsokur, E. B., Buschmann, L., Winkeler, L., G ntherodt, G., Winzer, K.
Format: Article
Language:English
Subjects:
Electron energy levels
Electron tunneling
Mathematical models
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Summary:A periodic structure has been observed in the tunneling characteristics of HTSC break junctions. This structure is explained in terms of the electron-hole interference effect in the surface layer, which causes the formation of bound states in the normal regions N of the SNINS-type junctions. Good qualitative agreement has been found between experimental data and the predictions of the Arnolds proximity model. Several parameters of the SNINS-type structures have been derived from studies of Fiske resonances in HTSC Josephson break junctions in weak magnetic fields.
ISSN:0022-2291
1573-7357
DOI:10.1007/BF00753867