Phys. Rev. B 74, 024404 (2006) [8 pages]Domain-wall step motors: Controlling the motion of magnetic domain walls using patterned magnetic filmsReceived 25 January 2006; revised 17 May 2006; published 10 July 2006 Magnetic domain walls can move when driven by an applied magnetic field. This motion is important for numerous devices, including magnetic recording read/write heads, transformers, and magnetic sensors. A magnetic film with a sawtooth profile localizes magnetic domain walls in discrete positions at the narrowest parts of the film. We propose a controllable way to move these domain walls between these discrete locations by applying magnetic-field pulses. A similarly patterned magnetic film attached to a larger magnetic element at one end of the film can operate as an XOR logic gate. © 2006 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.74.024404
DOI:
10.1103/PhysRevB.74.024404
PACS:
75.60.Ch, 05.45.−a, 85.70.Kh
|
|
About | Terms and Conditions | Subscriptions | Search | Help
Use of the American Physical Society websites and journals implies that the user has read and agrees to our Terms and Conditions and any applicable Subscription Agreement. Physical Review®, Physical Review Letters®, Reviews of Modern Physics®, and Physical Review Special Topics® are trademarks of the American Physical Society.