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19 April 2024 |
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Article overview
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Magnetization patterning induced by electrical spin-polarized current in nanostripes | | Oleksii M. Volkov
; Volodymyr P. Kravchuk
; Denis D. Sheka
; Yuri Gaididei
; Franz G. Mertens
; | | Date: |
20 Feb 2015 | | Abstract: | The combined action of a transverse spin-polarized current and the
current-induced {O}rsted field on long ferromagnetic nanostripes is studied
numerically and analytically. The magnetization behavior is analyzed for
stripes with various widths and for all range of the applied current density.
It is established that {O}rsted field does not destroy periodical
magnetization structures induced by the spin-torque, e.g. vortex-antivortex
crystal and cross-tie domain walls. However, the action of the {O}rsted field
disables the saturation state for the strong currents: a stationary state with
a single longitudinal domain wall appears instead. Shape of this wall remains
constant with the current increasing. The latter phenomenon is studied both
numerically and analytically. | | Source: | arXiv, 1502.5885 | | Services: | Forum | Review | PDF | Favorites | |
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