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The scanning electron microscopy lab (SEM)

The purpose of the electron microscopy research is to study the morphology of organic material and to analyze the chemical composition, crystal structure and - orientation and microstructural features of rocks and microfossils down to the nano-scale in order to infer processes of evolution, environmental conditions, mineral reactions, phase transformations, and deformation.

The SEM lab hosts two Zeiss instruments:

  • One Zeiss Sigma field emission microscope for viewing and EDS analysis of biological and other organic material.
  • One Zeiss Merlin field emission microscope with EDS, WDS, CL, and EBSD equipment for mainly analytical and crystallographic work.

Resolution: 0,8 nm v/15 kV (MERLIN), 1,5 nm v/15 kV (ZIGMA).

Zeiss Merlin SEM Zeiss Sigma SEM

EBSD map of an experimentally sheared quartz clast (sinistral)
with twins in the clast and high misorientation angles between
clast and new grains in the recrystallised mantle region.

Images of foraminafera

A) B)
C) D)

Click on images to enlarge

The SEM lab is situated in MH-bygget, Faculty of Health Sciences. Map

Contact person for lab: