Abstract
Secondary electrons generated in polycrystalline iron samples due to nuclear resonant absorption of 14.4 keV gamma-rays in 57Fe and subsequent reemission of internal conversion and Auger electrons were investigated for an energy range between 0 and 100 eV with a cylindrical mirror analyzer. It was found that the resonance absorption of gamma-rays is accompanied by an intensive emission of secondary electrons, particularly at energies about 5–10 eV. It was shown that those electrons can be utilized for more efficient registration of conversion electron Mössbauer spectra due to their large collection and detection efficiency in equipment using channel electron multipliers.
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More From: Nuclear Instruments and Methods In Physics Research
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