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FE-LEEM P90
The SPECS LEEM instrument FE-LEEM P90 is a next generation Low Energy Electron Microscope with unsurpassed 5 nm resolution for dynamic LEEM microscopy experiments. With this instrument, based on the design of Dr. Rudolf Tromp, nanometer scale processes on surfaces can be observed in real-time.

Guiding the design of the SPECS FE-LEEM P90 was the goal to achieve an extremely high resolution with a minimum number of electronoptical elements.
In order to achieve this incoming and outgoing electrons are separated by a 90° magnetic prism array. This geometry allows a simple, intuitive step by step adjustment of all lens parameters. The magnetic prism transfers both the LEEM image and the LEED pattern astigmatically, allowing routine switching between real image and diffraction. Both image and LEED pattern are transferred without the negative effects of chromatic dispersion, offering superior image and diffraction capabilities.
A sophisticated energy filter enables imaging with an energy resolution down to 250 meV with a minimal impact on the high spatial resolution of the instrument.
The FE-LEEM P90 is integrated into a UHV LEEM sample analysis chamber with facilities for sample preparation and in-situ high temperature sample processing.

The SPECS LEEM instrument can be upgraded with an electron mirror for aberration correction, which is currently developed by Dr. Rudolf Tromp. The design resolution for the corrected FE-LEEM P90 is below 2nm.

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Company
SPECS GmbH
Voltastrasse 5
13355 Berlin ()
Homepage: http://www.specs.de

Contact

Phone: +49 (0)30 467 824 0
Fax: +49 (0)30 464 2083
sales@specs.de