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TT: Tiefe Temperaturen

TT 9: Postersitzung I: TT-Teilchendetektoren (1-7), TT-Techniken (8-11), 2-D-Systeme (12-21), Meso- u. nanoskopische Strukturen (22-44), Niederdim. Spinsysteme (45-60), Tunneln u. Symmetrien (61-65), SQUID-Anwendungen (66-73), Massive HTSL, Bandleiter (74-96)

TT 9.64: Poster

Dienstag, 23. März 1999, 09:30–12:30, Z

YBCO-junctions and theit leakage current, jc RR−1 and other tunnel anomalies — •Juergen Halbritter — Forschungszentrum Karlsruhe, IMF1, Postfach 3640, 76021 Karlsruhe

Whereas in Nb2O5 -junctions large leakage currents, large noise and jc R2=const. occur for bad junctions only, those properties are common to HTS in-plane junctions. The present day understanding of HTS-tunneling with respect to barrier properties is analyzed. An explanation for the often overlooked leakage current and noise and jc R2 = const. are given and new atomistic barrier information are presented.

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DPG-Physik > DPG-Verhandlungen > 1999 > Münster