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The excited-state relaxation dynamics of Tb 3+ , Sm 3+ , and Eu 3+ doped into a 50SiO 2 –20Al 2 O 3 –10Na 2 O–20LaF 3 (mol%) oxyfluoride glass are studied. Multiphonon relaxation of the primary emitting states in Tb 3+ ( 5 D 3 and 5 D 4 ), Sm 3+ ( 4 G 5/2 ), and Eu 3+...
Oxyfluoride aluminosilicate glasses containing a high nominal concentration of 35mol% LaF 3 and CeF 3 were synthesized, and their structural, thermal, optical absorption, photoluminescence, radio-luminescence, and excited-state relaxation properties were investigated. The structural analysis confirms the amorphous nature of the glasses and finds up to 21mol% of retained dissolved LaF...
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