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Abstract: Positron Annihilation Lifetime Spectroscopy (PALS) is a highly effective technique to quantify the lattice deformation in solid materials. The techniq

Keywords: positron annihilation, coincidence timing, digital spectrometer.

A digital Positron Annihilation Lifetime Spectrometer was designed and used to perform measurements on three graphite materials, reactor grade graphite, pyrolyt

Positron Annihilation Lifetime Spectroscopy (PALS) is a nuclear technique that was developed in the 1970s as a method to assess defects in materials. This techn