Answering to the need for dense superconducting memories, the authors propose a memory concept that combines ferromagnetic dots for the storage of the data and Josephson junctions for their readout. Good scalability is expected for large scale integration. Exploratory memory cells have been implemented using 3μm Nb technology and Permalloy dots. Nonvolatile data storage at 300K was demonstrated.
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Held et al. (2006) studied this question.
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