Results 251 to 260 of about 30,381 (297)

Chiral valley edge states based on Dirac mass engineering. [PDF]

Nat Commun
Liu JW, Liu GG, Zhang B, Mo HC, Li R, Li M, Chen XD, Zhang B, Chen WJ, Dong JW.   +9 more
europepmc   +1 more source

Self-accelerating topological edge states. [PDF]

Nanophotonics
Zhang Z, Kartashov YV, Belić MR, Li Y, Zhang Y.   +4 more
europepmc   +1 more source

Moving magnetic domain walls with sound alone. [PDF]

Nat Commun
Rivelles A, Yanes R, Torres L, Abuín M, Grandal J, Sepehr M, Orero-Gámez G, Guedas R, Fernández-García L, Izquierdo-López R, Maicas M, Mar Sanz MD, Pedrós J, Calle F, Ruiz-Gómez S, Khaliq MW, Niño MA, Vélez S, Foerster M, López-Díaz L, Prieto JL.   +20 more
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Domain wall propagation in adiabatic regime

Physica B: Condensed Matter, 2008
Abstract The domain wall dynamics in the adiabatic regime has been studied. It is shown that the domain wall velocity in the low-field range (when the domain wall interacts with the distributed defects) satisfy the power law: v = S ′( H − H 0 ) β , where H 0 is the critical field. The temperature dependence of the power exponent β is treated
R Varga, M Vazquez, P Vojtanik
exaly   +2 more sources

Domain Wall Propagation in Thin Magnetic Wires

IEEE Transactions on Magnetics, 2008
We present the domain wall dynamics in amorphous glass-coated microwires. It is described by the linear dependence of the domain wall velocity on the applied magnetic field. For higher Ni content microwires, the domain wall dynamics consists of two regions: at low field, the domain wall has low mobility and a negative critical propagation field.
R Varga, K Richter, A Zhukov
exaly   +2 more sources

Detection of domain wall propagation in a mesoscopic wire

Journal of Magnetism and Magnetic Materials, 2002
Extraordinary Hall effect was used to detect the propagation of a domain wall in magnetic devices patterned in sputter grown Pt/Co(1 nm)/Pt sandwiches with perpendicular easy magnetization axis. In such films, domain walls propagate as coherent 1D nano-object in a 2D medium with weak fluctuation energy density.
D Ravelosona, V Mathet, J -P Jamet
exaly   +2 more sources

Domain Wall Propagation in Wavy Ferromagnetic Nanowire

IEEE Transactions on Magnetics, 2009
We have investigated magnetic domain wall propagation behavior in wavy nanowires using micromagnetic simulation. The wire width is set to have sinusoidal distortion with variation of spatial frequency and phase. We have analyzed domain wall speed under a constant external field with variation of wavy geometry. Interestingly, with introduction of proper
Hong-Guang Piao, S -C Yu, Dong－Hyun Kim   +2 more
exaly   +2 more sources

Domain wall propagation in Fe-rich amorphous microwires

Physica B: Condensed Matter, 2012
Abstract The domain wall (DW) propagation in magnetically bistable Fe 74 Si 11 B 13 C 2 amorphous microwires with metallic nucleus diameters of 12–16 μm has been investigated in order to explain high DW velocities observed in Sixtus–Tonks like experiments. In micrometric wires, the boundary between two head-to-head domains is very elongated.
M Ipatov, V Zhukova, A Zhukov
exaly   +2 more sources

Micromagnetic simulation of current-driven domain wall propagation

Journal of Computational Electronics, 2007
We develop a method to model the interaction of currents and domain walls in a standard micromagnetic simulator. The interaction of spin-polarized currents and localized magnetic moments can be described by a current-induced effective field, which superposes to other components of the effective magnetic field.
G. Csaba, P. Lugli, L. Ji, W. Porod
openaire   +2 more sources