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Flicker Noise In Yba₂Cu₃O₇₋Δ Bicrystal Grain-Boundary Junctions In Weak Magnetic-Fields, Charles Surya, N. E. Israeloff, A. Widom, R. Seed, C. Vittoria
Flicker Noise In Yba₂Cu₃O₇₋Δ Bicrystal Grain-Boundary Junctions In Weak Magnetic-Fields, Charles Surya, N. E. Israeloff, A. Widom, R. Seed, C. Vittoria
Nathan Israeloff
Flicker noise in c-axis oriented long YBCO bicrystal grain boundary junctions was characterized as a function of temperature, biasing conditions, and magnetic field applied perpendicular to the a-b plane over a wide range of temperatures from 15 K to over 70 K. Aperiodic variations, as a function of magnetic field, were observed in both the junction voltages, V-J, and the flicker noise magnitude under constant current bias as the magnetic field was scanned from 0 to 8 G. The noise magnitudes were found to peak at the minima of V-J. Analyses of the field dependencies of the: magnitudes and the …