Abstract

Ferroelectric crystals of LiNb(1-x)TaxO3 solid solutions and piezoelectric crystals Ca3TaGa3Si2O14 were grown by the Czochralski method. The composition of LiNb(1-x)TaxO3 crystals was studied by mass spectrometry with inductively coupled plasma. The piezoelectric properties of crystals were studied and the independent piezoelectric moduli dij were measured. Piezoelectric and acoustic properties of the crystals were studied by the method of high resolution X-ray diffraction and scanning electron microscopy. The temperature dependences of acoustic properties of crystals were investigated.

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