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Electrostatic Interaction across a Single-Layer Carbon Shell.
Stania, R; Seitsonen, A P; Kunhardt, D; Büchner, B; Popov, A A; Muntwiler, M; Greber, T.
Afiliación
  • Stania R; Physik-Institut , Universität Zürich , CH-8057 Zürich , Switzerland.
  • Seitsonen AP; Département de Chimie , École Normale Supérieure , F-75005 Paris , France.
  • Kunhardt D; Leibniz Institute of Solid State and Materials Research , D-01069 Dresden , Germany.
  • Büchner B; Leibniz Institute of Solid State and Materials Research , D-01069 Dresden , Germany.
  • Popov AA; Leibniz Institute of Solid State and Materials Research , D-01069 Dresden , Germany.
  • Muntwiler M; Paul Scherrer Institut , CH-5232 Villigen , Switzerland.
  • Greber T; Physik-Institut , Universität Zürich , CH-8057 Zürich , Switzerland.
J Phys Chem Lett ; 9(13): 3586-3590, 2018 Jul 05.
Article en En | MEDLINE | ID: mdl-29902014
Ions inside of fullerene molecules are model systems for the study of the electrostatic interaction across a single layer of carbon. For TbSc2N@C80 on h-BN/Ni(111), we observe with high-resolution X-ray photoelectron spectroscopy a splitting of the C 1s core level. The data may be explained quantitatively with density functional theory. The correlation of the C 1s eigenvalues and the Coulomb potential of the inside ions at the corresponding carbon sites indicates incomplete screening of the electric field due to the endohedral ions. The screening comprises anisotropic charge transfer to the carbon atoms and their polarization. This behavior is essential for the ordering of endohedral single-molecule magnets and is expected to occur in any single-layer material.

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: J Phys Chem Lett Año: 2018 Tipo del documento: Article País de afiliación: Suiza Pais de publicación: Estados Unidos

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: J Phys Chem Lett Año: 2018 Tipo del documento: Article País de afiliación: Suiza Pais de publicación: Estados Unidos