The relation between deformation and thermoluminescent defect centers in LiF (TLD-100)

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Abstract
Plastic deformation after exposure to ionizing radiation is shown to increase the F‐band absorption in LiF (TLD‐100), while decreasing the absorptions at 310 and 380 nm which are related to thermoluminescent traps. The rate of change with deformation of the three bands indicates that F centers are created when 310‐ and 380‐nm absorption centers are destroyed. The results are interpreted in terms of the removal of F centers from the defect complexes causing the 310‐ and 380‐nm absorption bands; this implies that the F center may be an integral part of the thermoluminescent traps in this material.