Near-Surface Depth Profiling of Solids by Mono-Energetic Positrons

Volume is indexed by Thomson Reuters BCI (WoS).This work reflects the wide and fascinating range of fields to which positrons have made important contributions.

This covers, in particular, the development of low-energy (eV-keV) beams of essentially mono-energetic positrons, in the late 1960s, which opened the door to an even wider range of fundamental and technological studies: from surface physics to polymer films.

In her introduction Professor Ganguly offers some background knowledge on the extent to which positrons have influenced and contributed to work in numerous fields.Physicists explain how beams of positrons-anti-electrons-can be created and used to analyze the interior of solids in materials science, chemistry, and the life sciences.

Their topics include designing and constructing a slow positron beam for solid and surface investigations, a low background digital coincidence spectrometer to investigate positron annihilation in flight, depth-resolved positron annihilation studies of silicon and metal silicides, structural studies of nanocrystalline thin palladium films electrochemically doped with hydrogen, defect behavior in yttria-stabilized zirconia nanomaterials studied by positron annihilation techniques, and positron chemistry in polymers.