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A versatile photoelectron spectrometer for pressures up to 30 mbar
Uppsala University, Sweden .
Uppsala University, Sweden .
University of London Imperial Coll Science Technology and Med, England .
University of London Imperial Coll Science Technology and Med, England .
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2014 (English)In: Review of Scientific Instruments, ISSN 0034-6748, E-ISSN 1089-7623, Vol. 85, no 7, 075119- p.Article in journal (Refereed) Published
Abstract [en]

High-pressure photoelectron spectroscopy is a rapidly developing technique with applications in a wide range of fields ranging from fundamental surface science and catalysis to energy materials, environmental science, and biology. At present the majority of the high-pressure photoelectron spectrometers are situated at synchrotron end stations, but recently a small number of laboratory-based setups have also emerged. In this paper we discuss the design and performance of a new laboratory based high pressure photoelectron spectrometer equipped with an Al Ka X-ray anode and a hemispherical electron energy analyzer combined with a differentially pumped electrostatic lens. The instrument is demonstrated to be capable of measuring core level spectra at pressures up to 30 mbar. Moreover, valence band spectra of a silver sample as well as a carbon-coated surface (graphene) recorded under a 2 mbar nitrogen atmosphere are presented, demonstrating the versatility of this laboratory-based spectrometer.

Place, publisher, year, edition, pages
American Institute of Physics (AIP) , 2014. Vol. 85, no 7, 075119- p.
National Category
Chemical Sciences
URN: urn:nbn:se:liu:diva-110982DOI: 10.1063/1.4890665ISI: 000341176600066PubMedID: 25085185OAI: diva2:751623

Funding Agencies|Swedish Governmental Agency for Innovation Systems (VINNOVA); Swedish Research Council [621-2010-4799]; Knut and Alice Wallenberg Foundation; Royal Society [UF100105]; EPSRC; EPSRC [EP/K004913/1, EP/J021199/1]

Available from: 2014-10-01 Created: 2014-10-01 Last updated: 2014-10-22

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