Properties of ferromagnetic Josephson junctions for memory applications
Roberta Caruso, Davide Massarotti, Alessandro Miano, Vitaly V., Bolginov, Aymen Ben Hamida, Liubov N. Karelina, Gabriele Campagnano, Igor V., Vernik, Francesco Tafuri, Valery V. Ryazanov, Oleg A. Mukhanov, Giovanni, Piero Pepe
TL;DR
This paper characterizes the RF effects and electrodynamical properties of ferromagnetic Josephson junctions, exploring their potential for enhancing superconducting memory devices through microwave tuning of switching parameters.
Contribution
It provides a detailed analysis of RF effects in ferromagnetic Josephson junctions and compares them with standard tunnel junctions, advancing memory application research.
Findings
RF effects depend on magnetic pulse parameters
Microwave tuning influences switching behavior
Comparison shows distinct electrodynamical properties
Abstract
In this work we give a characterization of the RF effect of memory switching on Nb-Al/AlOx-(Nb)-PdFe-Nb Josephson junctions as a function of magnetic field pulse amplitude and duration, alongside with an electrodynamical characterization of such junctions, in comparison with standard Nb-Al/AlOx-Nb tunnel junctions. The use of microwaves to tune the switching parameters of magnetic Josephson junctions is a step in the development of novel addressing schemes aimed at improving the performances of superconducting memories.
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