Investigations of LiNb1−xTaxO3 nanopowders obtained with mechanochemical method

Vasylechko, Leonid; Sydorchuk, Volodymyr; Lakhnik, Andrey; Suhak, Yuriy; Wlodarczyk, Damian; Hurskyy, Stepan; Yakhnevych, Uliana; Zhydachevskyy, Yaroslav; Sugak, Dmytro; Syvorotka, Ihor I.; Solskii, Ivan; Buryy, Oleh; Suchocki, Andrzej; Fritze, Holger GND

Nanocrystalline compounds LiNb1−xTaxO3 of various compositions (x = 0, 0.25, 0.5, 0.75, 1) were synthesized by high-energy ball milling of the initial materials (Li2CO3, Nb2O5, Ta2O5) and subsequent high-temperature annealing of the resulting powders. Data on the phase composition of the nanopowders were obtained by X-ray diffraction methods, and the dependence of the structural parameters of LiNb1−xTaxO3 compounds on the value of x was established. As a result of the experiments, the optimal parameters of the milling and annealing runs were determined, which made it possible to obtain single-phase compounds. The Raman scattering spectra of LiNb1−xTaxO3 compounds (x = 0, 0.25, 0.5, 0.75, 1) have been investigated. Preliminary experiments have been carried out to study the temperature dependences of their electrical conductivity

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Vasylechko, Leonid / Sydorchuk, Volodymyr / Lakhnik, Andrey / et al: Investigations of LiNb1−xTaxO3 nanopowders obtained with mechanochemical method. 2021.

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