zero-loss peak
zero-loss peak
A sharp peak with an energy loss of 0 (zero) appearing in an EELS spectrum. The "zero-loss peak" is composed of no-scattered electrons and elastically scattered electrons. In a real spectrum, the peak shows an energy broadening (less than 0.7 eV) due to the energy spread of the incident beam. In the analysis of low-loss EELS spectra to obtain a dielectric function, it is important to precisely subtract the tail of the zero-loss peak.
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