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Applied Physics Letters / Volume 96 / Issue 18 / MAGNETISM AND SUPERCONDUCTIVITY

Appl. Phys. Lett. 96, 182507 (2010); http://dx.doi.org/10.1063/1.3428367 (3 pages)

The effect of transverse field on fast domain wall dynamics in magnetic microwires

K. Richter1,2, R. Varga1, G. A. Badini-Confalonieri2, and M. Vázquez2

1Institute of Physics, Faculty of Science, UPJS, 041 54 Kosice, Slovakia
2Instituto de Ciencia de Materiales de Madrid, CSIC, 28049 Madrid, Spain

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(Received 11 January 2010; accepted 18 April 2010; published online 7 May 2010)

We have studied the domain wall longitudinal propagation and its dynamics under the influence of transverse magnetic field in thin magnetic wires. A different behavior was observed for strong and weak transverse fields. In weak transverse field Ht, the domain wall dynamics depends on the direction of Ht. Transverse field applied in one direction increases the Walker limit and shifts the existence of transverse domain wall to higher axial field. Transverse magnetic field applied in opposite direction decreases the Walker limit and favors vortex domain wall even at low fields. Different behavior was obtained in strong transverse field which speeds up the domain wall velocity to its saturation value of 9 km/s independently on the orientation of transverse field.

© 2010 American Institute of Physics

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KEYWORDS and PACS

Keywords

boron alloys, iron alloys, magnetic domain walls, magnetic moments, magnetostriction, phosphorus alloys, silicon alloys, wires

PACS

  • 75.78.Fg

    Dynamics of domain structures

  • 75.80.+q

    Magnetomechanical effects, magnetostriction

  • 75.40.Gb

    Dynamic properties (dynamic susceptibility, spin waves, spin diffusion, dynamic scaling, etc.)

  • 75.30.Cr

    Saturation moments and magnetic susceptibilities

  • 75.60.Ch

    Domain walls and domain structure

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3428367

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
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