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MLZ (eng)
Lichtenbergstr.1
85748 Garching
PAES
Positron annihilation induced Auger electron spectrometer
Positron annihilation induced Auger electron spectroscopy (PAES) is a newly developed application for surface studies with high elemental selectivity and exceptional surface sensitivity. The instrument is operated at NEPOMUC.
In PAES, the emission of Auger electrons is initiated by positron-electron annihilation that leads to several major advantages compared with conventional electron induced AES. The main features are:
PAES is part of the surface spectrometer (SuSpect) which also enables sample preparation in UHV conditions, conventional AES and XPS. Examples for PAES studies are surfaces covered with sub-monolayers of foreign atoms, high-resolution determination of Auger line shapes, element-selective surface studies.
Instrument Scientist
Prof. Dr. Christoph Hugenschmidt
Phone: +49 (0)89 289-14609
E-Mail: christoph.hugenschmidt@frm2.tum.de
PAES
Phone: +49 (0)89 289-14774
Operated by
Heinz Maier-Leibnitz Zentrum. (2015). PAES: Positron annihilation induced Auger electron spectrometer. Journal of large-scale research facilities, 1, A24. http://dx.doi.org/10.17815/jlsrf-1-51
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