Composition dependence of the lattice constants in LiTaO3
- 1 November 1991
- journal article
- research article
- Published by Taylor & Francis in Radiation Effects and Defects in Solids
- Vol. 119-121 (2) , 975-980
- https://doi.org/10.1080/10420159108220852
Abstract
The composition range of lithium tantalate was found between 46.5 and 50.0 mole% Li. The congruent melt composition, from which homogeneous single crystals can be grown, was determined at about 48.5 mole% Li2O. Due to Li2O evaporation during the reaction of Li2CO3 and Ta2O5 the starting composition depends on the reaction conditions. The lattice constants change with the composition comparable to LiNbO3.Keywords
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