High frequency applications of intrinsic Josephson junctions in mesa structures on Bi/sub 2/Sr/sub 2/CaCu/sub 2/O/sub 8+y/ single crystals

We report on high frequency experiments with mesa structures patterned on Bi/sub 2/Sr/sub 2/CaCu/sub 2/O/sub 8+y/ single crystals (BSCCO). Due to the intrinsic Josephson effect between adjacent CuO/sub 2/ bilayers these mesas form stacks of 100 to 500 Josephson junctions. The ac-Josephson effect was...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 1997-06, Vol.7 (2), p.2723-2726
Main Authors: Hechtfischer, G., Walkenhorst, W., Kunkel, G., Schlenga, K., Kleiner, R., Muller, P., Johnson, H.L.
Format: Article
Language:English
Subjects:
Bismuth compounds
Contacts
Critical current density
Crystals
Frequency
Josephson effect
Josephson junctions
Lithography
Local oscillators
Surface resistance
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Summary:We report on high frequency experiments with mesa structures patterned on Bi/sub 2/Sr/sub 2/CaCu/sub 2/O/sub 8+y/ single crystals (BSCCO). Due to the intrinsic Josephson effect between adjacent CuO/sub 2/ bilayers these mesas form stacks of 100 to 500 Josephson junctions. The ac-Josephson effect was investigated in the frequency range between 6 GHz and 120 GHz. We focus our interest on possible applications of intrinsic Josephson junctions as flux-flow oscillators and high-frequency mixers. These components form the essential parts of an integrated mm-wave receiver in BSCCO technology.
ISSN:1051-8223
1558-2515
DOI:10.1109/77.621800