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Theoretical calculation of positron trapping by embedded nanoclusters
2018
3rd China-Japan Joint Workshop on Positron Science (JWPS2017)
unpublished
Preserved Fulltext
The trapping and annihilation characteristics of positrons in nanosized solute atom clusters (Mg, Ag, Au) embedded in Al crystals were studied by theoretical calculations based on the atomic superposition model (ATSUP). The results confirm the effective confinement of the positron wavefunction inside clusters with a diameter less than 1 nm, which contain only a few atoms. With increasing nanocluster size, the trapping of positrons is gradually enhanced leading to an increased positron
doi:10.7567/jjapcp.7.011003
fatcat:mxh7arvdsfcbrlz2k6xmw5xyy4