Properties of [100] Tilt Y-Ba-Cu-O Bicrystal Grain Boundary Junctions

Abstract

We have fabricated and measured high-quality [100] Y-Ba-Cu-O grain boundary junctions in both symmetric and asymmetric configurations. High values of the critical current times normal resistance I/sub c/R/sub n/ products have been systematically observed. The high I/sub c/R/sub n/ values found in these junctions may be of interest for the fabrication of high-sensitive superconducting quantum interference devices.