Abstract
Elastic and electromechanical (piezoelectric) constants for six langasite family crystals Ca3TaGa3Si2O14, Sr3TaGa3Si2O14, Ba3TaGa3Si2O14, La3Ta0.5Ga5.5O14, La3Nb0.5Ga5.5O14, La3Ga5SiO14 are calculated within the density-functional perturbation theory.
Published Version
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