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Functional nanostructures grown by focused electron and ion beam induced deposition techniques

AuthorsTeresa, José María de; Córdoba, R.; Serrano-Ramón, Luis; Fernández-Pacheco, Amalio; Sesé Monclús, Javier ; Ibarra, M. Ricardo
Issue Date2012
CitationE-MRS Fall Meeting 2012
AbstractTechniques for tailored nanoscale growth of ferromagnetic and superconducting properties are crucial in the investigation of new physical phenomena. In the present contribution, I will summarize recent results obtained in the growth of ferromagnetic and superconducting nanowires grown respectively by focused electron and ion beam induced deposition techniques (FEBID and FIBID respectively). Ferromagnetic Co nanowires have been grown by FEBID using the Co2(CO)8 gas precursor, reaching lateral dimensions down to 30 nm. In L-shaped nanowires, the domain-wall propagation field is found to be lower than the domain-wall nucleation field, with potential applications in magnetic logic, sensing and storage. Ga irradiation allows the selective pinning of domain walls, opening the route for manipulation of the domain walls propagation. Superconducting W-based nanowires have been grown by FIBID using W(CO)6 gas precursor. This material shows BCS behavior and outstanding behavior of the vortex lattice. Narrow nanowires (down to 40 nm in lateral size) have been grown and their magnetotransport response studied, showing a novel re-entrance of superconductivity as a function of magnetic field.
DescriptionResumen del trabajo presentado al: "European Materials Research Society-Fall Meeting" (Symposium H), celebrado en Varsovia (Polonia) del 17 al 21 de septiembre de 2012.
Appears in Collections:(ICMA) Comunicaciones congresos
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