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VOLUME 47 (1988) | ISSUE 1 | PAGE 32
Sensitization of the luminescence of rare-earth ions by trivalent iron in glasses
A sensitization of the luminescence of several rare-earth activators through a charge-transfer state, О2 ~ -»Fe3 +, has been observed for the first time. The results show that the efficiency of this process can reach a value of unity in the Fe-Yb system.