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Title

Manipulating the topological interface by molecular adsorbates: adsorption of Co-phthalocyanine on Bi2Se3

AuthorsCaputo, Marco; Panighel, Mirko ; Chulkov, Eugene V. ; Arnau, Andrés ; Mugarza, Aitor ; Goldoni, Andrea
KeywordsTopological insulator
Charge transfer
Surface states
Dirac cone
ARPES
Phthalocyanine
Issue Date2016
PublisherAmerican Chemical Society
CitationNano Letters 16(6): 3409-3414 (2016)
AbstractTopological insulators are a promising class of materials for applications in the field of spintronics. New perspectives in this field can arise from interfacing metal-organic molecules with the topological insulator spin-momentum locked surface states, which can be perturbed enhancing or suppressing spintronics-relevant properties such as spin coherence. Here we show results from an angle-resolved photemission spectroscopy (ARPES) and scanning tunnelling microscopy (STM) study of the prototypical cobalt phthalocyanine (CoPc)/BiSe interface. We demonstrate that that the hybrid interface can act on the topological protection of the surface and bury the Dirac cone below the first quintuple layer.
Descriptionet al.
URIhttp://hdl.handle.net/10261/159692
DOIhttp://dx.doi.org/10.1021/acs.nanolett.5b02635
Identifiersdoi: 10.1021/acs.nanolett.5b02635
e-issn: 1530-6992
issn: 1530-6984
Appears in Collections:(CFM) Artículos
(CIN2) Artículos
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