نتایج جستجو برای: magnetostatic wave

تعداد نتایج: 218840  

2013
K. Janicka Evgeny Y. Tsymbal

Effects of magnetostatic coupling on stripe domain structures in magnetic multilayers with perpendicular anisotropy" (2007). We investigate the effects of magnetostatic interlayer coupling on the formation of magnetic domains in exchange-coupled ferromagnetic films exhibiting perpendicular magnetic anisotropy. Using simple models for the stripe domain structures we investigate how the magnetost...

2017
Zhifeng Chen Yong Yan Shufa Li Xiaoguang Xu Yong Jiang Tianshu Lai

Spin-wave dynamics in full-Heusler Co2FeAl0.5Si0.5 films are studied using all-optical pump-probe magneto-optical polar Kerr spectroscopy. Backward volume magnetostatic spin-wave (BVMSW) mode is observed in films with thickness ranging from 20 to 100 nm besides perpendicular standing spin-wave (PSSW) mode, and found to be excited more efficiently than the PSSW mode. The field dependence of the ...

2007
AKHLESH LAKHTAKIA

When a strong magnetostatic field is present, vacuum effectively appears as a linear, uniaxial, dielectric–magnetic medium for small–magnitude optical fields. The availability of the frequency–domain dyadic Green function when the magnetostatic field is spatially uniform facilitates the formulation of an integral equation for the scattering of an optical field by a spatially varying magnetostat...

2010
F. Fiuza L. O. Silva C. Joshi

Using multidimensional particle-in-cell simulations, we show that the magnetic undulator-type field of the plasma magnetostatic mode is indeed produced by the interaction of a laser pulse with a relativistic ionization front, as predicted by linear theory for a cold plasma. When the front with this magnetostatic mode is followed by a relativistic electron beam, the interaction of the beam with ...

Journal: :Physical review letters 2013
Y Au M Dvornik T Davison E Ahmad P S Keatley A Vansteenkiste B Van Waeyenberge V V Kruglyak

An all-optical experiment long utilized to image phonons excited by ultrashort optical pulses has been applied to a magnetic sample. In addition to circular ripples due to surface acoustic waves, we observe an X-shaped pattern formed by propagating spin waves. The emission of spin waves from the optical pulse epicenter in the form of collimated beams is qualitatively reproduced by micromagnetic...

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