Josephson effect and macroscopic quantum interference in high-T sub(c) superconducting thin-film weak links at 77 K

Josephson effect and macroscopic quantum interference in high-T sub(c) superconducting thin-film weak links at 77 K

The authors have studied properties of single and double superconducting weak links ("Dayem" microbridges) fabricated by direct photolithography from thin films of 1-2-3 copper oxides, deposited on SrTiO sub(3) and LiNbO sub(3) substrates by laser sputtering of ceramics targets. Macroscopi...

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Veröffentlicht in:IEEE transactions on magnetics 1989-01, Vol.25 (2), p.943-945
Hauptverfasser: Golovashkin, A I, Gudkov, A L, Krasnosvobodtsev, S I, Kuzmin, L S, Likharev, K K, Maslennikov, Yu V, Pashkin, Yu A, Pechen, E V, Snigirev, O V
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Sprache:eng
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Zusammenfassung:The authors have studied properties of single and double superconducting weak links ("Dayem" microbridges) fabricated by direct photolithography from thin films of 1-2-3 copper oxides, deposited on SrTiO sub(3) and LiNbO sub(3) substrates by laser sputtering of ceramics targets. Macroscopic quantum interference was clearly registrated in double microbridge structures at the same temperature.
ISSN:0018-9464