Direct Imaging of Stochastic Domain-Wall Motion Driven by Nanosecond Current Pulses

by: Guido Meier, Markus Bolte, René Eiselt, Benjamin Krüger, Dong H Kim, Peter Fischer

Physical Review Letters, Vol. 98, No. 18. (2007)

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摘要

Magnetic transmission x-ray microscopy is used to directly visualize the influence of a spin-polarized current on domain walls in curved permalloy wires. Pulses of nanosecond duration and of high current density up to 1.0×1012 A/m2 are used to move and to deform the domain wall. The current pulse drives the wall either undisturbed, i.e., as composite particle through the wire, or causes structural changes of the magnetization. Repetitive pulse measurements reveal the stochastic nature of current-induced domain-wall motion.

@article{citeulike:2754251, abstract = {Magnetic transmission x-ray microscopy is used to directly visualize the influence of a spin-polarized current on domain walls in curved permalloy wires. Pulses of nanosecond duration and of high current density up to 1.0\×1012 A/m2 are used to move and to deform the domain wall. The current pulse drives the wall either undisturbed, i.e., as composite particle through the wire, or causes structural changes of the magnetization. Repetitive pulse measurements reveal the stochastic nature of current-induced domain-wall motion.}, author = {Meier, Guido and Bolte, Markus and Eiselt, Ren\'e and Kr\"uger, Benjamin and Kim, Dong H. and Fischer, Peter }, citeulike-article-id = {2754251}, doi = {10.1103/PhysRevLett.98.187202}, journal = {Physical Review Letters}, keywords = {2007, focus, magnetic, material}, number = {18}, posted-at = {2008-05-04 17:35:20}, priority = {2}, publisher = {APS}, title = {Direct Imaging of Stochastic Domain-Wall Motion Driven by Nanosecond Current Pulses}, url = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal\&id=PRLTAO000098000018187202000001\&idtype=cvips\&gifs=yes}, volume = {98}, year = {2007} }

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TY - JOUR ID - citeulike:2754251 L3 - citeulike-article-id:2754251 TI - Direct Imaging of Stochastic Domain-Wall Motion Driven by Nanosecond Current Pulses JF - Physical Review Letters VL - 98 IS - 18 PB - APS N2 - Magnetic transmission x-ray microscopy is used to directly visualize the influence of a spin-polarized current on domain walls in curved permalloy wires. Pulses of nanosecond duration and of high current density up to 1.0×1012 A/m2 are used to move and to deform the domain wall. The current pulse drives the wall either undisturbed, i.e., as composite particle through the wire, or causes structural changes of the magnetization. Repetitive pulse measurements reveal the stochastic nature of current-induced domain-wall motion. KW - 2007 KW - focus KW - magnetic KW - material AU - Meier, Guido AU - Bolte, Markus AU - Eiselt, Ren\'e AU - Kr\"uger, Benjamin AU - Kim, Dong AU - Fischer, Peter PY - 2007/// UR - http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRLTAO000098000018187202000001&idtype=cvips&gifs=yes ER -

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