Transmission Electron Microscope Zeiss CEM 902 A EFTEM

Resolution [nm] 0,344 (line), 0,5 (dot), at 80 kV
High voltage [kV] 50; 80
Nominal voltage [eV] 0 – 2000 (increment 0,5 eV)
Cathode Thermal wolfram cathode
Focus length [mm] 2,6
spheric aberration constant cs [mm] 2,2
Chromatic aberration constant cc [mm] 1,7
Astigmatism [µm] <1
Minimal focusing increment [nm] 15
Spectrometer type Castaing / Ottensmeyer
Isochromatics Energy resolution (full exposure) ± 7,5 eV
Isochromatics Energy resolution (reduced exposure) ± 1,5 eV
Allocation 1,8 µm/eV (energy allocation layer), 0,5 µm/eV (image layer)
Image acquisition - negative film (3,25 ” x 4”)
- Dage SIT Low Light video camera
IS Megaview III CCD-camera with AnalySIS image processing


Location: University of Bayreuth

Contact: Annika Pfaffenberger
Phone: +49(0)921 55 74 72
Fax: +49(0)921 55 74 73
Email: annika.pfaffenberger@uni-bayreuth.de