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Stacked Nb/Al AlO X/Nb long Josephson tunnel junctions

Kohlstedt, H.; Ustinov, A.V.; Cirillo, M.; Hallmanns, G.; Heiden, C.

Abstract (englisch):
We developed a technique for fabrication of small stacked tunnel junctions with up to ten tunnel barriers in a stack. This technique allowed us to fabricate long stacked tunnel junctions in order to study the fluxon motion in closely spaced Josephson tunnel barriers. Up to three long junctions were fabricated in a stack of the overlap geometry with maximum length of 800 μm. The distance between the individual tunnel barriers in each stack was 30 nm. Flux-flow steps in the current - voltage (I-V) characteristics were investigated at 4.2 K as a function of the external magnetic field.



Originalveröffentlichung
DOI: 10.1016/0921-4526(94)91355-2
Scopus
Zitationen: 1
Web of Science
Zitationen: 2
Zugehörige Institution(en) am KIT Physikalisches Institut (PHI)
Publikationstyp Zeitschriftenaufsatz
Jahr 1994
Sprache Englisch
Identifikator ISSN: 0921-4526, 1873-2135
KITopen-ID: 1000077330
Erschienen in Physica / B
Band 194-196
Heft 2
Seiten 1711–1712
Nachgewiesen in Web of Science
Scopus
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