Luminescence due to iron centers in lithium niobate
- 15 December 1975
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 27 (12) , 654-656
- https://doi.org/10.1063/1.88352
Abstract
A luminescence band at 770 nm due to iron centers has been observed in lithium niobate crystals treated at 520 °C in lithium carbonate. Without this treatment only a broad background luminescence was observed. The main effect of the treatment is to reduce iron centers to the Fe2+ state but some evidence was found that destruction of shallow traps is also involved in increasing the luminescence.Keywords
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