Nanostructuring surfaces: Deconstruction of the Pt (110 )-(1×2 ) surface by C<inf>60</inf>

X. Torrelles; V. Langlais; M. De Santis; H. C.N. Tolentino; Y. Gauthier

doi:10.1103/PhysRevB.81.041404

Nanostructuring surfaces: Deconstruction of the Pt (110 )-(1×2 ) surface by C<inf>60</inf>

X. Torrelles, V. Langlais, M. De Santis, H. C.N. Tolentino, Y. Gauthier

Research output: Contribution to journal › Article › Research › peer-review

16 Citations (Scopus)

Abstract

When deposited on metal surfaces, C60 creates nanoholes. Grazing incidence x-ray diffraction reveals a c (4×4) reconstruction induced by C60 on Pt (110) - (1×2). While the initial (1×2) missing row is partially deconstructed, under each fullerene we find double atomic vacancy involving two Pt layers. The resulting interface is deeply modified with a 75% Pt occupancy and regularly distributed double vacancy. The orientation of the molecule is compatible with local surface cm symmetry with a pentagonal ring almost parallel to the surface while hexagonal rings are almost parallel to the (111) facets of the nanohole. The short nearest-neighbor C60 distances increase the van der Waals repulsion forces that are minimized by a charge transfer between molecule and substrate involving a large number of C-Pt bonds and a reduction of 6% of the apparent diameter of the C60 molecule. © 2010 The American Physical Society.

Original language	English
Article number	041404
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	81
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevB.81.041404
Publication status	Published - 5 Jan 2010

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title = "Nanostructuring surfaces: Deconstruction of the Pt (110 )-(1×2 ) surface by C60",

abstract = "When deposited on metal surfaces, C60 creates nanoholes. Grazing incidence x-ray diffraction reveals a c (4×4) reconstruction induced by C60 on Pt (110) - (1×2). While the initial (1×2) missing row is partially deconstructed, under each fullerene we find double atomic vacancy involving two Pt layers. The resulting interface is deeply modified with a 75% Pt occupancy and regularly distributed double vacancy. The orientation of the molecule is compatible with local surface cm symmetry with a pentagonal ring almost parallel to the surface while hexagonal rings are almost parallel to the (111) facets of the nanohole. The short nearest-neighbor C60 distances increase the van der Waals repulsion forces that are minimized by a charge transfer between molecule and substrate involving a large number of C-Pt bonds and a reduction of 6% of the apparent diameter of the C60 molecule. {\textcopyright} 2010 The American Physical Society.",

author = "X. Torrelles and V. Langlais and {De Santis}, M. and Tolentino, {H. C.N.} and Y. Gauthier",

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AU - Torrelles, X.

AU - Langlais, V.

AU - De Santis, M.

AU - Tolentino, H. C.N.

AU - Gauthier, Y.

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N2 - When deposited on metal surfaces, C60 creates nanoholes. Grazing incidence x-ray diffraction reveals a c (4×4) reconstruction induced by C60 on Pt (110) - (1×2). While the initial (1×2) missing row is partially deconstructed, under each fullerene we find double atomic vacancy involving two Pt layers. The resulting interface is deeply modified with a 75% Pt occupancy and regularly distributed double vacancy. The orientation of the molecule is compatible with local surface cm symmetry with a pentagonal ring almost parallel to the surface while hexagonal rings are almost parallel to the (111) facets of the nanohole. The short nearest-neighbor C60 distances increase the van der Waals repulsion forces that are minimized by a charge transfer between molecule and substrate involving a large number of C-Pt bonds and a reduction of 6% of the apparent diameter of the C60 molecule. © 2010 The American Physical Society.

AB - When deposited on metal surfaces, C60 creates nanoholes. Grazing incidence x-ray diffraction reveals a c (4×4) reconstruction induced by C60 on Pt (110) - (1×2). While the initial (1×2) missing row is partially deconstructed, under each fullerene we find double atomic vacancy involving two Pt layers. The resulting interface is deeply modified with a 75% Pt occupancy and regularly distributed double vacancy. The orientation of the molecule is compatible with local surface cm symmetry with a pentagonal ring almost parallel to the surface while hexagonal rings are almost parallel to the (111) facets of the nanohole. The short nearest-neighbor C60 distances increase the van der Waals repulsion forces that are minimized by a charge transfer between molecule and substrate involving a large number of C-Pt bonds and a reduction of 6% of the apparent diameter of the C60 molecule. © 2010 The American Physical Society.

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