Electrons have a charge and a spin, but until recently these were considered separately. In
classical electronics, charges are moved by electric fields to transmit information and are …

Current needs for further advances in the nanotechnologies of information-storage and-
processing devices have attracted a great deal of interest in spin (magnetization) dynamics …

Transfer of angular momentum from a spin-polarized current to a ferromagnet provides an
efficient means to control the magnetization dynamics of nanomagnets. A peculiar …

Amagnetic vortex is a curling magnetic structure realized in a ferromagnetic disk, which is a
promising candidate for a memory cell for future non-volatile data-storage devices. Thus, an …

We present an ultrafast route for a controlled, toggle switching of magnetic vortex cores with
ultrashort unipolar magnetic field pulses. The switching process is found to be largely …

The theoretical foundation for a nonvolatile memory device based on magnetic vortices is
presented. We propose a realization of a vortex random-access memory (VRAM) containing …

The authors investigated the technological utility of counterclockwise (CCW) and clockwise
(CW) circular-rotating fields (⁠ H CCW and H CW⁠) and spin-polarized currents with an …

We here experimentally demonstrate that gyration modes of coupled vortices can be
resonantly excited primarily by the ac current in a pair of ferromagnetic disks with variable …

Time-resolved x-ray microscopy is used to image the influence of alternating high-density
currents on the magnetization dynamics of ferromagnetic vortices. Spin-torque-induced …

We show by micromagnetic simulations that a spontaneous skyrmion ground state can exist
in Co/Ru/Co nanodisks without the Dzyaloshinsky-Moriya interaction, which can remain …