Results 61 to 70 of about 1,910 (135)

Phenomenological description of the nonlocal magnetization relaxation in magnonics, spintronics, and domain-wall dynamics [PDF]

, 2015
A phenomenological equation called Landau-Lifshitz-Baryakhtar (LLBar) equation, which could be viewed as the combination of Landau-Lifshitz (LL) equation and an extra "exchange damping" term, was derived by Baryakhtar using Onsager's relations.
Albert, Maximilian, Beg, Marijan, Bisotti, Marc-Antonio, Chernyshenko, Dmitri, Dvornik, Mykola, Fangohr, Hans, Kruglyak, Volodymyr V., Kuchko, Andriy N., Vansteenkiste, Arne, Waeyenberge, Bartel V., Wang, Weiwei   +10 more
core   +2 more sources

Tuneable Vertical Hysteresis Loop Shift in Exchange Coupled La0.67Sr0.33MnO3‐SrRuO3 Bilayer

Advanced Physics Research, Volume 3, Issue 5, May 2024.
A simple method of obtaining a tuneable vertical magnetic hysteresis loop shift is demonstrated in a magnetic bilayer system. The proposed generalized model of controllable vertical shift is also applicable for other material systems possessing glassy phases, uncompensated/canted spins, absent interfacial exchange coupling, etc.
Manisha Bansal, Muireann Anna de h‐Óra, Wasim Akram, Samir Kumar Giri, Weiwei Li, Judith L. MacManus‐Driscoll, Tuhin Maity   +6 more
wiley   +1 more source

Micromagnetic Analysis of Monolayer L10-FePt and Bilayer L10-FePt/Fe Ultrathin Films

Magnetism
This work presents a micromagnetic investigation of monolayer L10 FePt and FePt/Fe bilayer thin films to clarify the role of thickness, composition, and exchange coupling in their magnetic behavior.
Nikolaos Maniotis
doaj   +1 more source

Control of dissipation in superconducting films by magnetic stray fields

, 2013
Hybrid superconducting/magnetic nanostructures on Si substrates have been built with identical physical dimensions but different magnetic configurations.
Gilbert, D. A., Gomez, A., Gonzalez, E. M., Liu, Kai, Vicent, J. L.   +4 more
core   +1 more source

Anisotropic magnetoresistance and anisotropic tunneling magnetoresistance due to quantum interference in ferromagnetic metal break junctions [PDF]

, 2006
We measure the low-temperature resistance of permalloy break junctions as a function of contact size and the magnetic field angle, in applied fields large enough to saturate the magnetization.
D. C. Ralph, E. L. Wolf, Ferdinand Kuemmeth, Kirill I. Bolotin   +3 more
core   +2 more sources

Influence of physical and material parameters on switching current density in perpendicular STT-MTJ: a micromagnetic study

Journal of Physics Communications
Switching in magnetic tunnel junctions (MTJs) is considered to be coherent according to the macrospin model but above a critical characteristic length (R _c ) this process becomes incoherent.
Abhishree Shaw, Vinod Kumar Joshi
doaj   +1 more source

Switching of +/-360deg domain wall states in a nanoring by an azimuthal Oersted field

, 2011
We demonstrate magnetic switching between two $360^\circ$ domain wall vortex states in cobalt nanorings, which are candidate magnetic states for robust and low power MRAM devices.
A S Licht, Castano F J, K E Aidala, Klaui M, M T Tuominen, N R Pradhan, Vaz C A F, Y Li, Y Sun   +8 more
core   +1 more source

Proposal for a standard problem for micromagnetic simulations including spin-transfer torque [PDF]

, 2009
The spin-transfer torque between itinerant electrons and the magnetization in a ferromagnet is of fundamental interest for the applied physics community. To investigate the spin-transfer torque, powerful simulation tools are mandatory.
Antoine Vanhaverbeke, Benjamin Krüger, Bolte M. -A. B. W., Brown W. F., Daniela Pfannkuche, Dietmar P. F. Möller, Donahue M. J., Guido Meier, Hans Fangohr, Hopster H., Hubert A., Markus Bolte, Massoud Najafi, Matteo Franchin, Najafi M., Rolf Allenspach, Stellan Bohlens, Ulrich Merkt, Vladimirescu A.   +18 more
core   +1 more source

Electric-dipole-induced spin resonance in a lateral double quantum dot incorporating two single domain nanomagnets

, 2015
On-chip magnets can be used to implement relatively large local magnetic field gradients in na- noelectronic circuits. Such field gradients provide possibilities for all-electrical control of electron spin-qubits where important coupling constants depend
Forster, F., Ludwig, S., Mühlbacher, M., Schuh, D., Wegscheider, W.   +4 more
core   +1 more source

Off-centered immobile magnetic vortex under influence of spin-transfer torque

, 2010
Equilibrium magnetization distribution of the vortex state magnetic nanoparticle is affected by the influence of the spin-transfer torque: an off-center out--of--plane vortex appears in the case of the disk shape particle and pure planar vortex in the ...
Gaididei, Yuri, Kravchuk, Volodymyr P., Mertens, Franz G., Sheka, Denis D.   +3 more
core   +1 more source