New Memory Concept for Superconducting Electronics
R. Held, J. Xu, A. Schmehl, C. W. Schneider, J. Mannhart, M. R. Beasley
Abstract
A new concept for nonvolatile superconducting memories is proposed. The devices combine ferromagnetic dots for the storage of the data and Josephson junctions for their readout. Good scalability is expected for large scale integration. First memory cells have been implemented using 3 μm-Nb-technology and permalloy dots. Nonvolatile data storage at 300 K was demonstrated.
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