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Tailoring magnetism of novel 3D nano-architectures based on focused electron beam induced deposition

AuthorsMagén, César ; Pablo-Navarro, Javier; Teresa, José María de
Issue Date2018
Citation14th International Workshop on Magnetism & Superconductivity at the Nanoscale (2018)
AbstractFocused Electron Beam Induced Deposition (FEBID) has demonstrated unparalleled capabilities for the growth of individual three-dimensional (3D) magnetic nanostructures of numerous materials with tailored geometry on virtually any substrate in a single lithographic step. However, in some cases the purity of the deposited material (for instance, FEBID Co and Fe) is not optimum and diminishes drastically the magnetism of the nanodevices. This fact limits the potential use of these nano-objects in multiple applications in information storage, logics and nano-sensing. Here we will review our last advances in the growth and optimization of magnetic properties of complex 3D nano-architectures based on ferromagnetic FEBID Co and Fe deposits. Surface coating to prevent natural oxidation and high vacuum thermal annealing will be illustrated as methods to strengthen the magnetism and/or improve crystallinity of as-grown 3D nanowires. Microstructure and magnetism will be quantitatively monitored at the nanoscale by Transmission Electron Microscopy and Off-Axis Electron Holography.
DescriptionResumen del trabajo presentado al 14th International Workshop on Magnetism & Superconductivity at the Nanoscale, celebrado en Coma-Ruga, El Vendrell (España) del 1 al 6 de julio de 2018.
Appears in Collections:(ICMA) Comunicaciones congresos
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