Abstract
A Pb(Zr0.52Ti0.48)O3–LaNiO3–Si composition and LaNiO3 thin films are synthesized using chemical solution deposition and studied by transmission electron microscopy. The polycrystalline, porous structure of LaNiO3 is found to misalign the columnar structure of lead zirconate titanate. The effect that thermal treatment has on the structure and phase composition of lanthanum nickelate is addressed. The morphological features of LaNiO3 film structure such as its layered character, porosity, and misalignment are observed in samples subjected to annealing at a temperature of 550°C and are more pronounced upon raising the temperature to 800°C.
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Funding
The structural studies were supported by the Ministry of Science and Higher Education of the Russian Federation within a state assignment by the Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences. The work was carried out using the facilities of the Shared Research Center FSRC “Crystallography and Photonics,” Russian Academy of Sciences (project RFMEFI62119X0035). The synthesis of heterostructures in Russian Technological University (MIREA) was partly funded by the Russian Foundation for Basic Research (grant no. 19-29-03058).
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Translated by A. Kukharuk
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Atanova, A.V., Zhigalina, O.M., Khmelenin, D.N. et al. Layer Crystallization in PZT/LNO/Si Heterostructures. Phys. Solid State 61, 2464–2467 (2019). https://doi.org/10.1134/S1063783419120035
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DOI: https://doi.org/10.1134/S1063783419120035