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Surface science at the PEARL beamline of the Swiss Light Source

Muntwiler, Matthias and Zhang, Jun and Stania, Roland and Matsui, Fumihiko and Oberta, Peter and Flechsig, Uwe and Patthey, Luc and Quitmann, Christoph and Glatzel, Thilo and Widmer, Roland and Meyer, Ernst and Jung, Thomas A. and Aebi, Philipp and Fasel, Roman and Greber, Thomas. (2017) Surface science at the PEARL beamline of the Swiss Light Source. Journal of Synchrotron Radiation, 24 (1). pp. 354-366.

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Abstract

The Photo-Emission and Atomic Resolution Laboratory (PEARL) is a new soft X-ray beamline and surface science laboratory at the Swiss Light Source. PEARL is dedicated to the structural characterization of local bonding geometry at surfaces and interfaces of novel materials, in particular of molecular adsorbates, nanostructured surfaces, and surfaces of complex materials. The main experimental techniques are soft X-ray photoelectron spectroscopy, photoelectron diffraction, and scanning tunneling microscopy (STM). Photoelectron diffraction in angle-scanned mode measures bonding angles of atoms near the emitter atom, and thus allows the orientation of small molecules on a substrate to be determined. In energy scanned mode it measures the distance between the emitter and neighboring atoms; for example, between adsorbate and substrate. STM provides complementary, real-space information, and is particularly useful for comparing the sample quality with reference measurements. In this article, the key features and measured performance data of the beamline and the experimental station are presented. As scientific examples, the adsorbate-substrate distance in hexagonal boron nitride on Ni(111), surface quantum well states in a metal-organic network of dicyano-anthracene on Cu(111), and circular dichroism in the photoelectron diffraction of Cu(111) are discussed.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Nanomechanik (Meyer)
UniBasel Contributors:Meyer, Ernst
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:International Union of Crystallography
ISSN:1600-5775
Note:Publication type according to Uni Basel Research Database: Journal article
Language:English
Identification Number:
Last Modified:19 Feb 2019 16:54
Deposited On:15 Jan 2018 15:16

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