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Professorship for Experimental Physics - X-ray Photoelectron Spectroscopy

Prof. Dr. Carsten Westphal

Department of Physics
Otto-Hahn-Str. 4a
44227 Dortmund

Room: CP-03-196
E-Mail: carsten2.westphaltu-dortmundde
Tel.: +49 (0)231 755-3511

Portrait of Carsten Westphal © Carsten Westphal​/​TU Dortmund


"My research group studies structural and electronic properties of thin film systems on metal and semiconductor surfaces as well as internal interfaces using atomic scale electron scattering experiments. Through various preparation methods, we fabricate layered systems and low-dimensional structures. In such systems, the atomic and electronic structure of the system is very sensitive to minute changes, such as the variation of the layer thickness, which we can precisely control down to a fraction of an atomic layer. At the university's own 1.5 GeV electron storage ring DELTA, we operate a dedicated beamline for the use of soft X-rays. The UHV experimental chamber connected there can be used, for example, to perform high-resolution XPS and XPD measurements. Currently, this apparatus is being extended by helium cooling to 10 K. In addition to X-rays, UV radiation is also used for UPS and ARPES measurements. Complementary to spectroscopy, we use a tunneling microscope to analyze the topography of surfaces, supported by LEED and PEEM studies."

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Location & approach

The campus of the Technical University of Dortmund is located near the freeway junction Dortmund West, where the Sauerland line A45 crosses the Ruhr expressway B1/A40. The Dortmund-Eichlinghofen exit on the A45 leads to the South Campus, the Dortmund-Dorstfeld exit on the A40 leads to the North Campus. The university is signposted at both exits.

The "Dortmund Universität" S-Bahn station is located directly on the North Campus. From there, the S-Bahn line S1 runs every 20 or 30 minutes to Dortmund main station and in the opposite direction to Düsseldorf main station via Bochum, Essen and Duisburg. In addition, the university can be reached by bus lines 445, 447 and 462. Timetable information can be found on the homepage of the Rhine-Ruhr transport association, and DSW21 also offer an interactive route network map.



One of the landmarks of the TU Dortmund is the H-Bahn. Line 1 runs every 10 minutes between Dortmund Eichlinghofen and the Technology Center via Campus South and Dortmund University S, while Line 2 commutes every 5 minutes between Campus North and Campus South. It covers this distance in two minutes.



From Dortmund Airport, it takes just over 20 minutes to get to Dortmund Central Station by AirportExpress and from there to the university by S-Bahn. A wider range of international flight connections is offered by Düsseldorf Airport, about 60 kilometers away, which can be reached directly by S-Bahn from the university's train station.

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The facilities of TU Dortmund University are spread over two campuses, the larger Campus North and the smaller Campus South. Additionally, some areas of the university are located in the adjacent "Technologiepark".

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