bromine, germanium and zinc produce characteristic x-ray
Detector fluorescence peak (dead-layer peak, silicon internal fluorescence peak): A peak resulting from the emission of characteristic X-rays
in a thin layer of inactive crystal area in the front of an energy dispersive X-ray spectrometer detector.
Of greatest interest to the investigator are the secondary electrons and characteristic X-rays
produced in the specimen.
Thus, lead is more efficient in producing x-rays than tungsten, and it produces characteristic x-rays
at a more useable energy.
Measurements of the characteristic X-rays
emitted by electrons shifting from high-energy, outer shells to low-energy, inner shells allow researchers to track the process.