Investigations of LiNb1−xTaxO3 Nanopowders Obtained with Mechanochemical Method
Authors:
- Leonid VasylechkoLVLeonid Vasylechko
- Volodymyr SydorchukVSVolodymyr Sydorchuk
- Andrey LakhnikALAndrey Lakhnik
- Yuriy SuhakYSYuriy Suhak
- Damian WlodarczykDWDamian Wlodarczyk
- Stepan HurskyySHStepan Hurskyy
- Uliana YakhnevychUYUliana Yakhnevych
- Yaroslav ZhydachevskyyYZYaroslav Zhydachevskyy
- Dmytro SugakDSDmytro Sugak
- Ihor I. SyvorotkaISIhor I. Syvorotka
- Ivan SolskiiISIvan Solskii
- Oleh BuryyOBOleh Buryy
Open Access
Abstract
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.Keywords
Funding Information
- Bundesministerium für Forschung, Technologie und Raumfahrt (FKZ: 01DK20009)
- Ministry of Education and Science of Ukraine (M/48-2020)
- Deutsche Forschungsgemeinschaft (SU1261/1-1, FR1301/42-1)
- Narodowe Centrum Nauki (No. 2019/33/B/ST8/02142)
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