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Microwave radiation from 2-D arrays of high-Tc Josephson junctions

โœ Scribed by Gennadi A. Ovsyannikov; Zdravko G. Ivanov; Jesper Mygind; Niels F. Pedersen

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
145 KB
Volume
194-196
Category
Article
ISSN
0921-4526

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โœฆ Synopsis

Dynamic properties of two-dimensional arrays of high-To weak links have been investigated. The basic structure is a microbridge patterned in a laser deposited YBa2Cu3 O~ thin film. A submicron rectangular mesh of aluminium strips, diffused by heating to ~300 ยฐC, is used to form a 2-D array of inter-grain Josephson junctions (JJs) in the bridge. Microwave radiation emission has been measured as a function of temperature and magnetic field. The experimental data are interpreted in terms of coherent motion of magnetic flux quanta (vortices).

๐Ÿ“œ SIMILAR VOLUMES

Phase locking of an array of five High-T
Phase locking of an array of five High-Tc Josephson junction oscillators
โœ J. Edstam; P. Larsson; E.A. Stepantsov; H.K. Olsson ๐Ÿ“‚ Article ๐Ÿ“… 1994 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 182 KB

We have phase locked a lumped array of five High-T c Josephson junction oscillators in the frequency range 140-400 GHz. The oscillator junctions were dc-biased in parallel using superconducting leads to ensure identical dc-voltages and oscillations frequencies (f=2eV/h). However, the junctions were