Explanipedia

Generation and routing of nanoscale droplet solitons without compensation of magnetic damping Open

Andrei I. Nikitchenko, N. A. Pertsev · 2022

Magnetic droplet soliton is a localized dynamic spin state which can serve as a nanoscale information carrier and nonlinear oscillator. The present opinion is that the formation of droplet solitons requires the compensation of magnetic dam…

Spin-orbit torque control of spin waves in a ferromagnetic waveguide Open

Andrei I. Nikitchenko, N. A. Pertsev · 2021

Spin-orbit torque (SOT) created by a spin current injected into a ferromagnet by an adjacent heavy metal represents an efficient tool for the excitation and manipulation of spin waves. Here we report the micromagnetic simulations describin…

Laser-Induced Magnetization Precession in Individual Magnetoelastic Domains of a Multiferroic Composite Open

L. A. Shelukhin, N. A. Pertsev, A. V. Scherbakov, Daniel Kazenwadel, Demid A. Kirilenko , et al. · 2020

Using a magneto-optical pump-probe technique with micrometer spatial\nresolution we show that magnetization precession can be launched in individual\nmagnetic domains imprinted in a Co$_{40}$Fe$_{40}$B$_{20}$ (CoFeB) layer by\nelastic coup…

Current-driven magnetization switching and dynamic spin reorientation transition in magnetic tunnel junctions Open

Andrei I. Nikitchenko, N. A. Pertsev · 2019

We present theoretical results on electrically induced magnetization dynamics in CoFeB/MgO/CoFeB tunnel junctions connected to a constant-current source. Our calculations take into account both the spin-transfer torque (STT) created by a s…

Spin injection and pumping generated by a direct current flowing through a magnetic tunnel junction Open

Andrei I. Nikitchenko, N. A. Pertsev · 2019

A charge flow through a magnetic tunnel junction (MTJ) leads to the\ngeneration of a spin-polarized current which exerts a spin-transfer torque\n(STT) on the magnetization. When the density of applied direct current exceeds\nsome critical …

Magnetization dynamics and spin pumping induced by standing elastic waves Open

Andrei V. Azovtsev, N. A. Pertsev · 2016

The magnetization dynamics induced by standing elastic waves excited in a\nthin ferromagnetic film is described with the aid of micromagnetic simulations\ntaking into account the magnetoelastic coupling between spins and lattice\nstrains. …

Domain structures and correlated out-of-plane and in-plane polarization reorientations in Pb(Zr0.96Ti0.04)O3 single crystal via piezoresponse force microscopy Open

N. V. Andreeva, N. A. Pertsev, Daria Andronikova, A. V. Filimonov, N. G. Leontiev , et al. · 2016

Pb(Zr1-xTix)O3 single crystal with a low titanium content (x = 4%) was studied by the piezoresponse force microscopy (PFM) and X-ray diffraction (XRD). The XRD studies showed that the crystal faces are orthogonal to the principal cubic axe…

<i>In situ</i>hard x-ray photoemission spectroscopy of barrier-height control at metal/PMN-PT interfaces Open

E. Kröger, A. Petraru, A. Quer, Rohit Soni, M. Kalläne , et al. · 2016

Metal-ferroelectric interfaces form the basis of novel electronic devices. A key effect determining the device functionality is the bias-dependent change of the electronic energy-level alignment at the interface. Here, hard x-ray photoelec…

Electric-field switching of perpendicularly magnetized multilayers Open

Yasuhiro Shirahata, Ryota Shiina, Diego López González, Kévin J. A. Franke, Eiji Wada , et al. · 2015

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