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   Your location > Components > Microscopy > Live Performances

STM 150 Aarhus LIVE at the DPG 2008

Following a paper from Prof. Neddermeyer, University of Halle-Wittenberg, extreme tunneling conditions were chosen at temperatures exceeding 600C to create Silicon islands. Several layers of grown Silicon could be recorded. Diffusion driven decay of the islands was observed within seconds except of the last layer.

A. Kraus et al., Appl. Phys. A 66, S953-S957 (1998)

The pictures below show a 40nm x 40nm extract from the pictures of the slide show above. The acquisition time was 50s and atomic resolution could be achieved for each image.

dpg DPG
DPG DPG

During the exhibition, the 7x7 and 1x1 structure could be recorded with unique stability, also shown by recording one image line by line with voltage change of sign:

DPG    
                  
DPG DPG

 



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The Aarhus SPM product brochure

The Aarhus SPM brochure

  

 

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