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Spatial variation of a giant spin-orbit effect induces Landau-like levels in graphene

AuthorsCalleja, Fabián; Ochoa, Héctor; Garnica, Manuela; Barja, Sara; Otrokov, M. M.; Chulkov, Eugene V. CSIC ORCID; Arnau, Andrés CSIC ORCID; Vázquez de Parga, A. L.; Guinea, F. CSIC ORCID; Miranda, Rodolfo CSIC
Issue Date2016
PublisherCSIC-ICN Centro de Investigación en Nanociencia y Nanotecnología (CIN2)
CitationFuerzas y Túnel (2016)
AbstractThe large spin coherence length of electrons in graphene is an interesting characteristic in the potential development of spintronic devices. However, it could be exploited only if suitable spin manipulation techniques are found for graphene. A possible mechanism is the enhancement of the weak spin-orbit (S-O) coupling present in carbon atoms, for instance through the interaction with heavy metal atoms. Our experiments and calculations suggest that the partial intercalation of lead atoms in between a graphene sheet and an underlying iridium crystal leads to a spatial modulation of the S-O coupling that generates a pseudo magnetic field able to produce Landau-like levels in the density of states of graphene.
DescriptionResumen del trabajo presentado a la 10th Conferencia Fuerzas y Túnel, celebrada en Girona (España) del 5 al 7 de septiembre de 2016.-- et al.
Appears in Collections:(CFM) Comunicaciones congresos
(ICMM) Comunicaciones congresos
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