Contact

M. Sc. Jonas Kaltenbach

Tel. 0721 608-48682, -46507, -45264 (jonas kaltenbach ∂does-not-exist.kit edu)
Room Bldg. 30.22, R. -133.2

Source

Schottky field emitter

Energy

Some 100 eV to 30 keV (secondary and backscatter electrons)

Detectors

Bruker EDXS Quantax 400 with SDD detector

Everhart-Thornley-Detektor (ETD) in high vacuum mode

Large field detector (LFD) in low vacuum mode

Backscatter electron (BSE) detector in high and low vacuum mode
Secondary electron (SE) detector for ESEM mode
Backscatter electron (BSE) detector for ESEM mode
WetSTEM detector

Sample holder

Cryo sample stage for examinations at temperatures down to -100 °C in combination with cryo transfer system and Leica MED 020 with freeze fracture preparation e.g. for aqueous samples
Sample holder with Peltier element for temperatures between -20 °C and +55 °C

Auflösung

1.2 nm at 30 keV , 3 nm at 1 keV in high vacuum mode
1.5 nm at 30 keV in low vacuum and ESEM modes

Imaging / Spectroscopic methods

Energy dispersive X-ray spectroscopy (EDXS)

Environmental scanning electron microscope (ESEM) imaging of samples containing water at pressures up to 4000 Pa, depending on type of gas