Magnetoelectric and multiferroic media

AP Pyatakov, AK Zvezdin - Physics-Uspekhi, 2012 - iopscience.iop.org
The last decade has witnessed a significant growth of research into materials with coupled
magnetic and electric properties. Reviewed here are the main types and mechanisms of …

Магнитоэлектрические материалы и мультиферроики

АП Пятаков, АК Звездин - Успехи физических наук, 2012 - mathnet.ru
АППятаков, АКЗвездин, “Магнитоэлектрические материалы и мультиферроики”, УФН,
182:6 (2012), 593–620; Phys. Usp., 55:6 (2012), 557–581 Успехи физических наук RUS …

Large microwave generation from current-driven magnetic vortex oscillators in magnetic tunnel junctions

A Dussaux, B Georges, J Grollier, V Cros… - Nature …, 2010 - nature.com
Spin-polarized current can excite the magnetization of a ferromagnet through the transfer of
spin angular momentum to the local spin system. This pure spin-related transport …

Efficient synchronization of dipolarly coupled vortex-based spin transfer nano-oscillators

N Locatelli, A Hamadeh, F Abreu Araujo… - Scientific reports, 2015 - nature.com
Due to their nonlinear properties, spin transfer nano-oscillators can easily adapt their
frequency to external stimuli. This makes them interesting model systems to study the effects …

Dynamics of two coupled vortices in a spin valve nanopillar excited by spin transfer torque

N Locatelli, VV Naletov, J Grollier… - Applied Physics …, 2011 - pubs.aip.org
We investigate the dynamics of two coupled vortices driven by spin transfer. We are able to
independently control with current and perpendicular field and to detect the respective …

Spin-torque resonant expulsion of the vortex core for an efficient radiofrequency detection scheme

AS Jenkins, R Lebrun, E Grimaldi, S Tsunegi… - Nature …, 2016 - nature.com
It has been proposed that high-frequency detectors based on the so-called spin-torque
diode effect in spin transfer oscillators could eventually replace conventional Schottky …

Field dependence of spin-transfer-induced vortex dynamics in the nonlinear regime

A Dussaux, AV Khvalkovskiy, P Bortolotti, J Grollier… - Physical Review B …, 2012 - APS
We derive an analytical model to describe the nonlinear vortex dynamics driven by spin-
transfer torque in nanopillar systems. We consider the nonlinearity arising from the …

Phase locking dynamics of dipolarly coupled vortex-based spin transfer oscillators

AD Belanovsky, N Locatelli, PN Skirdkov… - Physical Review B …, 2012 - APS
Phase locking dynamics of dipolarly coupled vortices excited by spin-polarized current in
two identical nanopillars is studied as a function of the interpillar distance L. Numerical study …

Spin-torque oscillators

JV Kim - Solid State Physics, 2012 - Elsevier
Spin-transfer torques in magnetic heterostructures give rise to a number of dynamical
processes that are not accessible with magnetic fields alone. A prominent example involves …

Understanding of phase noise squeezing under fractional synchronization of a nonlinear spin transfer vortex oscillator

R Lebrun, A Jenkins, A Dussaux, N Locatelli… - Physical review …, 2015 - APS
We investigate experimentally the synchronization of vortex based spin transfer nano-
oscillators to an external rf current whose frequency is at multiple integers, as well as at an …