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Title: | Crossed-ratchet effects for magnetic domain wall motion |
Authors: | Pérez-Junquera, Alejandro CSIC; Marconi, V. I.; Kolton, Alejandro B.; Álvarez-Prado, L. M. CSIC ORCID; Souche, Yves; Alija, Alejandro CSIC ORCID; Vélez, María CSIC ORCID; Anguita, José Virgilio CSIC; Alameda, J. M. CSIC; Martín, José Ignacio CSIC ORCID; Parrondo, J. M. R. | Keywords: | Magnetism Domain wall Ratcher effect |
Issue Date: | 23-Jan-2008 | Publisher: | American Physical Society | Citation: | Physical Review Letters 100(3): 037203 (2008) | Abstract: | We study both experimentally and theoretically the driven motion of domain walls in extended amorphous magnetic films patterned with a periodic array of asymmetric holes. We find two crossed-ratchet effects of opposite sign that change the preferred sense for domain wall propagation, depending on whether a flat or a kinked wall is moving. By solving numerically a simple 4 model we show that the essential physical ingredients for this effect are quite generic and could be realized in other experimental systems involving elastic interfaces moving in multidimensional ratchet potentials. | Publisher version (URL): | http://dx.doi.org/10.1103/PhysRevLett.100.037203 | URI: | http://hdl.handle.net/10261/17862 | DOI: | 10.1103/PhysRevLett.100.037203 | ISSN: | 0031-9007 |
Appears in Collections: | (IMN-CNM) Artículos (CINN) Artículos |
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Pérez-Junquera, A. et al Phys.Rev.Lett._100_3_2008.pdf | 1,66 MB | Adobe PDF | View/Open |
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