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Combined ARPES and STM study of Pb/Au(111) Moire structure: One overlayer, two symmetries


Crepaldi, A; Pons, S; Frantzeskakis, E; Calleja, F; Etzkorn, M; Seitsonen, A P; Kern, K; Brune, H; Grioni, M (2013). Combined ARPES and STM study of Pb/Au(111) Moire structure: One overlayer, two symmetries. Physical Review B, 87(11):115138.

Abstract

The structural and electronic properties of a Pb monolayer (ML) grown on Au(111) are investigated by scanning tunneling microscopy (STM) and angle resolved photoelectron spectroscopy (ARPES). We find an incommensurate Moire structure with an approximate (5.77 x 5.77) R21.5 degrees. unit cell, and two rotational domains. We observe three Pb-derived bands of p orbital character. The symmetry properties and sharpness of their Fermi surfaces are remarkably different. They reflect the different degrees of hybridization of these bands with the Au(111) bulk continuum. DOI: 10.1103/PhysRevB.87.115138

Abstract

The structural and electronic properties of a Pb monolayer (ML) grown on Au(111) are investigated by scanning tunneling microscopy (STM) and angle resolved photoelectron spectroscopy (ARPES). We find an incommensurate Moire structure with an approximate (5.77 x 5.77) R21.5 degrees. unit cell, and two rotational domains. We observe three Pb-derived bands of p orbital character. The symmetry properties and sharpness of their Fermi surfaces are remarkably different. They reflect the different degrees of hybridization of these bands with the Au(111) bulk continuum. DOI: 10.1103/PhysRevB.87.115138

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:540 Chemistry
Language:English
Date:2013
Deposited On:15 Nov 2013 13:48
Last Modified:05 Apr 2016 17:03
Publisher:American Physical Society
ISSN:1098-0121
Publisher DOI:https://doi.org/10.1103/PhysRevB.87.115138

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