Chiral symmetry breaking of magnetic vortices by sample roughness

New Journal of Physics

Volumn 11, Issue , 2009, Pages

  Vansteenkiste, A ^a   Weigand, M ^b   Curcic, M ^b   Stoll, H ^b   Schutz G ^b   Van Waeyenberge, B ^b  

^a GHENT UNIVERSITY   (Belgium)

^b MAX PLANCK INSTITUTE FOR INTELLIGENT SYSTEMS   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

CHIRAL SYMMETRY; CORE POLARIZATION; FINITE-ELEMENT; MAGNETIC VORTICES; MICROMAGNETIC SIMULATIONS; SMALL SAMPLES; THIN-FILM STRUCTURE; THREE DIMENSIONAL FINITE ELEMENTS; THRESHOLD FIELDS; VORTEX CORES;

MAGNETIC STRUCTURE; POLARIZATION; SURFACE PROPERTIES; SURFACE ROUGHNESS; THIN FILM DEVICES;

VORTEX FLOW;

EID: 67650088628     PISSN: 13672630     EISSN: None     Source Type: Journal    
DOI: 10.1088/1367-2630/11/6/063006     Document Type: Article

References (15)

1. Feldtkeller E and Thomas H 1965 Struktur und Energie von Blochlinien in dünnen ferromagnetischen Schichten Phys. Kondens. Mater. 4 8-14
2. Raabe J et al 2000 Magnetization pattern of ferromagnetic nanodisks J. Appl. Phys. 88 4437-9
3. Choe S B et al 2004 Vortex core-driven magnetization dynamics Science 304 420-2
4. Van Waeyenberge B et al 2006 Magnetic vortex core reversal by excitation with short bursts of an alternating field Nature 444 461-4
5. Curcic M et al 2008 Polarization selective magnetic vortex dynamics and core reversal in rotating magnetic fields Phys. Rev. Lett. 101 197204
6. Huber D L 1982 Equation of motion of a spin vortex in a two-dimensional planar magnet J. Appl. Phys. 53 1899-900
7. Argyle B E, Terrenzio E and Slonczewski J C 1984 Magnetic vortex dynamics using the optical Cotton-Mouton effect 1984 Digests Of Intermag '84. Int. Magnetics Conf. (Cat. No. 84ch1918-2) p 350
8. Novosad V et al 2005 Magnetic vortex resonance in patterned ferromagnetic dots Phys. Rev. B 72 024455
9. Guslienko K Y et al 2002 Eigenfrequencies of vortex state excitations in magnetic submicron-size disks J. Appl. Phys. 91 8037-9
10. Chou K W et al 2007 Direct observation of the vortex core magnetization and its dynamics Appl. Phys. Lett. 90 202505
11. Kim S K, Lee J Y, Choi Y S, Guslienko K Y and Lee K S 2008 Underlying mechanism of domain-wall motions in soft magnetic thin-film nanostripes beyond the velocity-breakdown regime Appl. Phys. Lett. 93 052503
12. Landau L and Lifshitz E 1935 Theory of the dispersion of magnetic permeability in ferromagnetic bodies Phys. Z. Sowietunion 8 153-69
13. Visscher P B and Apalkov D M 2004 Charge-based recursive fast-multipole micromagnetics Physica B 343 184-8
14. Vansteenkiste A et al 2008 Influence of domain wall pinning on the dynamic behavior of magnetic vortex structures: time-resolved scanning x-ray transmission microscopy in NiFe thin film structures Phys. Rev. B 77 144420
15. amumag micromagnetic package code available at http://code.google.com/p/ amumag