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dc.contributor.authorFernández-Pacheco, Amalio-
dc.contributor.authorTeresa, José María de-
dc.contributor.authorCórdoba, R.-
dc.contributor.authorIbarra, M. Ricardo-
dc.identifier.citationJournal of Physics D: Applied Physics 42, 055005 (2009)en_US
dc.description6 pages, 6 figures.-- PACS nrs.: 75.47.-m, 73.63.-b, 81.07.-b, 81.15.Jj.en_US
dc.description.abstractHigh-quality cobalt nanowires have been grown by focused-electron-beam-induced deposition (FEBID) and their magnetic and transport properties determined. The nanowires contain up to about 95% Co atomic percentage, as measured by EDX spectroscopy, which remarkably represents a high value compared with other metal deposits grown by the same technique. The Co content has been found to correlate with the beam current used for the growth. The magnetotransport properties have been studied on individual nanowires through 4-probe measurements. For the nanowires with the highest Co content, the resistivity at room temperature is low (~40 µΩ cm), and shows metallic temperature dependence. The magnetotransport properties clearly demonstrate the ferromagnetic nature of the nanowire, with a saturation magnetization of Ms = 1329 ± 20 emu cm−3, very close to the bulk one. Due to the local character of this type of growth at targeted places and its high lateral resolution, these results pave the way for the creation of magnetic nanostructures and devices with the full potentiality of high-quality Co.en_US
dc.description.sponsorshipFinancial support by the Spanish Ministry of Science (through projects MAT2005-05565-C02 and MAT2008-06567-C02 including FEDER funding) and the Aragon Regional Government is acknowledged.en_US
dc.format.extent304359 bytes-
dc.publisherInstitute of Physics Publishingen_US
dc.subjectCobalt nanowiresen_US
dc.subjectMagnetotransport propertiesen_US
dc.subjectFocused-electron-beam-induced deposition (FEBID)en_US
dc.subjectCo contenten_US
dc.subjectSaturation magnetizationen_US
dc.subjectNanometric magnetic materialsen_US
dc.titleMagnetotransport properties of high-quality cobalt nanowires grown by focused-electron-beam-induced depositionen_US
dc.description.peerreviewedPeer revieweden_US
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