Abstract

We detect the photo-induced carriers in near-stoichiometric irondoped LiNbO3 crystal by the holographic technique. Theresults show that the dominant carriers are electrons in the samplewith Li/Nb ratio of 0.9988. By analysis of the OH− absorption spectra ofthe crystal, we contribute the electron domination innear-stoichiometric Fe-doped LiNbO3 crystal to theexistence of NbLi which provides the anti-site defect toFe2+.

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