XPEEM WITH ENERGY-FILTERING: ADVANTAGES AND FIRST RESULTS FROM THE SMART PROJECT

Author:

SCHMIDT TH.1,GROH U.1,FINK R.1,UMBACH E.1,SCHAFF O.2,ENGEL W.2,RICHTER B.2,KUHLENBECK H.2,SCHLÖGL R.2,FREUND H.-J.2,BRADSHAW A. M.2,PREIKSZAS D.3,HARTEL P.3,SPEHR R.3,ROSE H.3,LILIENKAMP G.4,BAUER E.4,BENNER G.5

Affiliation:

1. Experimentelle Physik II, Universität Würzburg, Am Hubland, D-97074 Würzburg, Germany

2. Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 6-8, D-14195 Berlin, Germany

3. Angewandte Physik, Hochstuhlstraße 6, D-64289 Darmstadt, Germany

4. Physikalisches Institut, Technische Universität Clausthal, Leibnizstraße 4, D-38678, Germany

5. LEO Elektronenmikroskopie GmbH, D-73446 Oberkochen, Germany

Abstract

The second development step of the SMART project, i.e. an energy-filtered but not yet corrected photoelectron emission microscope, operates at the undulator U49/1-PGM beamline at BESSY II. It already demonstrates the variety of methods of the final version: microscopy, spectroscopy and electron diffraction. Some recent experimental results are reported for these three operation modes. In addition, the theoretical improvement of lateral resolution and transmission of PEEMs in general by using an energy filter is discussed for systems without and with aberration correction.

Publisher

World Scientific Pub Co Pte Lt

Subject

Materials Chemistry,Surfaces, Coatings and Films,Surfaces and Interfaces,Condensed Matter Physics

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