TU Berlin

AG LehmannGrandARM S/TEM

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JEOL JEM-ARM300F2 "GrandARM2" S/TEM

Lupe

This state-of-the-art S/TEM-instrument provides STEM-analytics with an extraordinary performance:

  • first GrandARM2 instrument installed outside Japan
  • high-brightness field emission gun
  • 60 kV, 80 kV, 200 kV and 300 kV acceleration voltage
  • Probe Cs-corrector
  • Wide-gap objective pole piece
  • 63 pm DF-resolution @ 300 kV, 110 pm DF-resolution @ 80 kV
  • EDS-detector with 2 x 158 mm2
  • SE/BSE-detector
  • BF, ABF, DF, and HAADF-detectors
  • Quantum Merlin pixelated Detector with 256 x 256 pixels and max. frame rate of 2400 Hz @ 6 bit
  • TVIPS TemCam XF416 Camera with 4096 x 4096 pixels
  • TVPIS Universal Scan Generator for arbitrary scan patterns

 

The GrandARM is jointly operated by AG Lehmann and ZELMI.

 

 

 

Lupe

The instrument is funded by the German Research Foundation (DFG) and TU Berlin.

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