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LiF films grown on glass and Si(100) substrates by thermal evaporation were used as radiation imaging detectors to evaluate the Bragg peak position of a 3 MeV proton beam produced by a linear accelerator. The proton irradiation of LiF films induces the formation of stable color centers, mainly the primary F centers and the aggregate F2 and F3+ defects, whose local concentrations are proportional to...
Proton beams of energy 3 and 7 MeV, produced by a linear accelerator for protontherapy under development at ENEA Frascati, were used to irradiate lithium fluoride (LiF) crystals and 1 µm thick LiF films grown by thermal evaporation on glass substrates, in a fluence range from 1011 to 1015 protons/cm2. The irradiation of LiF induced the stable formation of aggregate visible-emitting F2 and F3+ color...
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