A semiconductor such as silicon is capable of detecting electrons (and other radiation) very efficiently by the mechanism of electron-hole creation. Provided the newly created electrons can be collected and the resulting signal amplified by low noise electronics, it is possible to use the silicon as an electron detector. A huge effort by the particle physics community has resulted in the evolution of several types of silicon detectors with positional sensitivity for use at the new Large Hadron Collider at CERN. In collaboration with the Medipix group, based at CERN, we have evaluated the properties of a hybrid pixel detector, Medipix2, for use in electron microscopy.

Publications related to Medipix work

1. Prospects for Hybrid Pixel Detectors in Electron Microscopy
   A.R.Faruqi
   Nucl.Instr. and Meth. 466, 146-154, (2001).
   
   
2. Evaluation of a Hybrid Pixel Detector for Electron Microscopy
   A.R.Faruqi, D.M.Cattermole, R.Henderson, B.Mikulec and C.Raeburn
   Ultramicroscopy, 94, 263-276, (2003).
   
   
3. Applications of Pixel Detectors to Electron Microscopy
   A.R.Faruqi, D.M.Cattermole and C.Raeburn
   Nucl.Instr. and Meth. 513, 317-321, (2003).
   
   
4. Noiseless Direct Detection of Electrons in Medipix2 for Electron Microscopy.
   A.R.Faruqi, R.Henderson and L.Tlustos
   Nucl.Instr. and Meth, 546, 160-163, (2005).
   
   
5. Electron Imaging with Medipix2 Hybrid Pixel Detector
   G.McMullan, D.M.Cattermole, S.Chen, R.Henderson, X.Llopart, C.Summerfield, L.Tlustos and A.R.Faruqi
   Ultramicroscopy, 107, (2007), 401-413.
   
   
6. Electron microscope imaging of single particles using the  Medipix2 detector
   G. McMullan, A. R. Faruqi
   Nucl Instr. and Meth., A591 (2008), 129-133.
   
   
7. Images of paraffin monolayer crystals with perfect contrast: Minimization of beam-induced specimen motion
   R.M. Glaeser, G.McMullan, A.R.Faruqi, R.Henderson
   Ultramicroscopy 111 (2011), 90 - 100.