Topic: Spectroscopy

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Silicon drift detector

Physics Spectroscopy

Silicon drift detectors (SDDs) are X-ray radiation detectors used in x-ray spectrometry (XRF and EDS) and electron microscopy. Their chief characteristics compared with other X-ray detectors are:

  • high count rates
  • comparatively high energy resolution (e.g. 125 eV for Mn Kα wavelength)
  • Peltier cooling