Peculiarities of LaFeO3 nanocrystals formation via glycinenitrate combustion
https://doi.org/10.17586/22208054201785647653
Abstract
Varying glycine to nitrate ratio in the initial solution the powders based on nanocrystalline LaFeO3 were synthesized by solution combustion synthesis. The powders were studied by Xray diffractometry, scanning electron microscopy, adsorption analysis and helium pycnometry. The average crystallite size of the synthesized LaFeO3 nanocrystals ranged from 182 to 859 nm, and the specific surface area of the nanopowders based on them ranged from 8 to 33 m2/g. Based on the results, the influence of redox composition of the reaction solution on the nature of the combustion processes, as well as the composition, structure and properties of LaFeO3 nanocrystals were analyzed. Here, it was shown, that the nanopowders have specific microstructure in terms of monocrystalline nanoscale layers of lanthanum orthoferrite, therefore it is allowed to consider them as a promising base for catalytically and magnetically functional materials.
Keywords
Supporting agencies: The reported study was funded by RFBR, according to the research Project No. 163300345. The powder Xray diffraction and SEM studies were performed on equipment of the Engineering Center of the SaintPetersburg State Technological Institute (Technical University).
About the Authors
A. Bachina
Saint Petersburg State Technological Institute (Technical University); Ioffe Institute, Russian Academy of Sciences
Russian Federation
Russian Federation
Moskovskiy 26, St. Petersburg, 190013
Politekhnicheskaya 26, St. Petersburg, 194021
V. A. Ivanov
Saint Petersburg State Technological Institute (Technical University)
Russian Federation
Russian Federation
Moskovskiy 26, St. Petersburg, 190013
V. I. Popkov
Saint Petersburg State Technological Institute (Technical University); Ioffe Institute, Russian Academy of Sciences
Russian Federation
Russian Federation
Moskovskiy 26, St. Petersburg, 190013
Politekhnicheskaya 26, St. Petersburg, 194021
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Review
For citations:
Bachina A., Ivanov V.A., Popkov V.I. Peculiarities of LaFeO3 nanocrystals formation via glycinenitrate combustion. Nanosystems: Physics, Chemistry, Mathematics. 2017;8(5):647-653. https://doi.org/10.17586/22208054201785647653
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