Self activated luminescence of lithium tantalate

  title={Self activated luminescence of lithium tantalate},
  author={Alberto Munoz and Maria Elena Villafuerte-Castrej{\'o}n and A. R. West},
Abstract The influence of Li/Ta ration on the luminescence behavior of lithium tantalate has been studied. The emission spectra of single crystals with composition (Li 0.95 Ta 1.01 O 3 ) and powder specimens with either lithium excess, lithium deficiency or with stoichiometric composition were recorded and analyzed. Up to three fluorescence bands were detected in the emission spectra. They were tentatively associated with the luminescence of different kinds of tantalate species. 


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