Progress and perspectives on electron-doped cuprates

NP Armitage, P Fournier, RL Greene - Reviews of Modern Physics, 2010 - APS
Although the vast majority of high-T c cuprate superconductors are hole-doped, a small
family of electron-doped compounds exists. Underinvestigated until recently, there has been …

Characteristics and controllability of vortices in ferromagnetics, ferroelectrics, and multiferroics

Y Zheng, WJ Chen - Reports on Progress in Physics, 2017 - iopscience.iop.org
Topological defects in condensed matter are attracting e significant attention due to their
important role in phase transition and their fascinating characteristics. Among the various …

Inertia and chiral edge modes of a skyrmion magnetic bubble

I Makhfudz, B Krüger, O Tchernyshyov - Physical review letters, 2012 - APS
The dynamics of a vortex in a thin-film ferromagnet resembles the motion of a charged
massless particle in a uniform magnetic field. Similar dynamics is expected for other …

Current controlled random-access memory based on magnetic vortex handedness

S Bohlens, B Krüger, A Drews, M Bolte, G Meier… - Applied Physics …, 2008 - pubs.aip.org
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 …

Few-nm tracking of current-driven magnetic vortex orbits using ultrafast Lorentz microscopy

M Möller, JH Gaida, S Schäfer, C Ropers - Communications Physics, 2020 - nature.com
Transmission electron microscopy is one of the most powerful techniques to characterize
nanoscale magnetic structures. In light of the importance of fast control schemes of magnetic …

Vortex oscillations induced by spin-polarized current in a magnetic nanopillar: Analytical versus micromagnetic calculations

AV Khvalkovskiy, J Grollier, A Dussaux, KA Zvezdin… - Physical Review B …, 2009 - APS
We investigate the vortex excitations induced by a spin-polarized current in a magnetic
nanopillar by means of micromagnetic simulations and analytical calculations. Damped …

Time-resolved x-ray microscopy of spin-torque-induced magnetic vortex gyration

M Bolte, G Meier, B Krüger, A Drews, R Eiselt… - Physical review …, 2008 - APS
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 …

Influence of dipolar interaction on vortex dynamics in arrays of ferromagnetic disks

A Vogel, A Drews, T Kamionka, M Bolte, G Meier - Physical review letters, 2010 - APS
The influence of the magnetostatic interaction on vortex dynamics in arrays of ferromagnetic
disks is investigated by means of a broadband ferromagnetic-resonance setup …

Universal Criterion and Phase Diagram for Switching a Magnetic Vortex Core<? format?> in Soft Magnetic Nanodots

KS Lee, SK Kim, YS Yu, YS Choi, KY Guslienko… - Physical review …, 2008 - APS
The universal criterion for ultrafast vortex-core switching between the up-and down-core
bistates in soft magnetic nanodots is investigated by micromagnetic simulations along with …

Magnetic vortex based transistor operations

D Kumar, S Barman, A Barman - Scientific reports, 2014 - nature.com
Transistors constitute the backbone of modern day electronics. Since their advent,
researchers have been seeking ways to make smaller and more efficient transistors. Here …