Action of co-dopant in electron-trapping materials: The case of Sm3+ in Mn2+-activated zinc borosilicate glasses

摘要

The action of electron-trapping materials (ETMs) consists of three sequential steps, i.e., the storage, the transfer, and the release of energy. It is generally considered that the co-dopant acts as a trapping center to enhance the storage ability of ETMs, which focus on the first step. In this letter, by the abnormal phosphorescence of Sm3+ in zinc borosilicate glasses doped with samarium and manganese (ZSBMS), we suggest that the co-dopant is able to change the energy transfer in the material. (C) 2004 American Institute of Physics.