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Direct visualization of superconducting vortex lattices under a constant current flow

AuthorsMaldonado, Ana; Guillamón, I.; Suderow, H.; Vieira, S.; Córdoba, R.; Sesé Monclús, Javier ; Teresa, José María de; Ibarra, M. Ricardo
Issue Date2012
CitationInternational Workshop Science and Technology at High Magnetic Fields (2012)
AbstractWe have developed a method to make scanning tunneling microscopy/spectroscopy imaging at very low temperatures while driving a constant electric current up to some tens of mA through the sample. It gives a new local probe, which we term current driven scanning tunneling microscopy/spectroscopy (CDSTM/S) [1]. Applications include local vortex motion experiments and local density of states studies. In this poster, the possibilities of this technique will be introduced by showing CDSTM/S studies in NbSe2 and W-based amorphous superconducting thin films. Both are the prototype systems to study the electronic structure of superconducting vortex cores and the dynamics of a two dimensional superconducting vortex lattice, respectively. Perspectives of applications will be also presented.
DescriptionResumen del trabajo presentado al: "International Workshop Science and Technology at High Magnetic Fields" celebrado en Miraflores de la Sierra (Madrid) del 6 al 9 de Noviembre de 2012.
Appears in Collections:(ICMA) Comunicaciones congresos
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