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Manipulating the topological interface by molecular adsorbates: adsorption of co-phthalocyanine on Bi2Se3 M. Caputo, M. Panighel, S. Lisi [et.al.]

Contributor(s): Caputo, Marco | Babanly, Mahammad B | Otrokov, Mikhail M | Politano, Antonio | Chulkov, Evgueni V | Arnau, Andrés | Marinova, Vera | Das, Pranab K | Fujii, Jun | Vobornik, Ivana | Perfetti, Luca | Mugarza, Aitor | Goldoni, Andrea | Marsi, Marino | Panighel, Mirko | Khalil, Lama | Lisi, Simone | Di Santo, Giovanni | Papalazarou, Evangelos | Hruban, Andrzej | Konczykowski, Marcin | Krusin-Elbaum, Lia | Aliev, Ziya SMaterial type: ArticleArticleSubject(s): селенид висмута | топологические изоляторы | фталоцианины | Дирака конусы | поверхностные состоянияGenre/Form: статьи в журналах Online resources: Click here to access online In: Nano letters Vol. 16, № 6. P. 3409-3414Abstract: Topological 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)/Bi2Se3 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.
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Библиогр.: 45 назв.

Topological 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)/Bi2Se3 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.

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