Title :
Quasiparticle injection into YBCO four terminal Josephson devices
Author :
Lombardi, F. ; Ivanov, Z.G. ; Claeson, T. ; Scotti di Uccio, U.
Author_Institution :
Dept. of Phys., Chalmers Univ. of Technol., Goteborg, Sweden
fDate :
6/1/1999 12:00:00 AM
Abstract :
A four terminal Josephson device, based on quasiparticle injection into an YBCO step edge Josephson junction was analysed. Two injector junctions are defined on both sides of the step edge junction using native Au/YBCO barrier. The Josephson critical current is reduced by increasing the injection current. The results are explained in terms of a non equilibrium state of the YBCO electrode under quasiparticle injection.
Keywords :
Josephson effect; barium compounds; critical currents; high-temperature superconductors; quasiparticles; superconducting junction devices; yttrium compounds; YBCO four terminal Josephson device; YBaCuO-Au; critical current; nonequilibrium state; quasiparticle injection; step edge Josephson junction; Argon; Critical current; Electrodes; Gold; Milling; Physics; Substrates; Superconducting devices; Superconductivity; Yttrium barium copper oxide;
Journal_Title :
Applied Superconductivity, IEEE Transactions on
