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Chirality-mediated bistability and strong frequency downshifting of the gyrotropic resonance of a dynamically de-stiffened magnetic vortex
Manu Sushruth, Jasper Fried, Abdelmadjid Anane +4
We demonstrate an enhanced, bidirectional, in-plane magnetic field tuning of the gyrotropic resonance frequency of a magnetic vortex within a disk by introducing a flat edge. When…
Electrical measurement of magnetic-field-impeded polarity switching of a ferromagnetic vortex core
Manu Sushruth, Jasper P. Fried, Abdelmadjid Anane +5
Vortex core polarity switching in NiFe disks has been evidenced using an all-electrical rectification scheme. Both simulation and experiments yield a consistent loss of the rectifi…
High-performance ferroelectric memory based on fully patterned tunnel junctions
S. Boyn, S. Girod, V. Garcia +9
In tunnel junctions with ferroelectric barriers, switching the polarization direction modifies the electrostatic potential profile and the associated average tunnel barrier height.…