“…The inorganic TL compounds are composed by hosts and doping luminescent centers. The inorganic hosts include the halides (e.g., KCl, KBr, NaF, RbBr, and RbI [21]), oxides (e.g., Al 2 O 3 [22] and ZrO 2 [23]), sulfides (e.g., ZnS [24]), oxysulfides (e.g., CaZnOS [10] and BaZnOS [25]), aluminates (e.g., SrAl 2 O 4 [1], Sr 3 Al 2 O 6 [7], and CaYAl 3 O 7 [9]), silicates (e.g., Sr 2 MgSi 2 O 7 and SrCaMgSi 2 O 7 [26]), phosphates (e.g., Li 3 PO 4 [27] and SrMg 2 (PO 4 ) 2 [28]), borates (e.g., BaB 4 O 7 [29]), titanates (e.g., BaTiO 3 and CaTiO 3 [30]), niobates (e.g., Ca 2 Nb 2 O 7 [31] and LiNbO 3 [32]), stannates (e.g., Sr 2 SnO 4 [33]), sulfates (e.g., BaSO 4 [34]), and oxynitrides (e.g., BaSi 2 O 2 N 2 [35]). Rare earth ions are the common doped ions in inorganic TL compounds, such as Eu 2+ , Eu 3+ , Pr 3+ , Dy 3+ , Ce 3+ , Tb 3+ , Er 3+ , and Sm 3+ [4].…”