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Enhanced magnetotransport in nanopatterned manganite nanowires

AuthorsMarín, Lorena; Morellón, Luis; Algarabel, Pedro A. ; Rodríguez, Luis A.; Magen, Cesar; Teresa, José María de; Ibarra, M. Ricardo
Focused ion beam lithographies
Metal−insulator transition
Issue Date2014
PublisherAmerican Chemical Society
CitationNano Letters 14(2): 423-428 (2014)
AbstractWe have combined optical and focused ion beam lithographies to produce large aspect-ratio (length-to-width >300) single-crystal nanowires of La 2/3Ca1/3MnO3 that preserve their functional properties. Remarkably, an enhanced magnetoresistance value of 34% in an applied magnetic field of 0.1 T in the narrowest 150 nm nanowire is obtained. The strain release at the edges together with a destabilization of the insulating regions is proposed to account for this behavior. This opens new strategies to implement these structures in functional spintronic devices. © 2014 American Chemical Society.
Identifiersdoi: 10.1021/nl402911w
issn: 1530-6984
e-issn: 1530-6992
Appears in Collections:(ICMA) Artículos
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