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NANOSYSTEMS: PHYSICS, CHEMISTRY, MATHEMATICS, 2021, 12 (3), P. 303–310

Formation of cobalt ferrite nanopowders in an impinging-jets microreactor

K. I. Barashok – Saint Petersburg State Electrotechnical University “LETI”, Professora Popova St., 5, Saint Petersburg, 197376, Russia
V.V. Panchuk – Saint Petersburg State University, Universitetskaya emb., 7-9, Saint Petersburg, 199034, Russia
V. G. Semenov – Saint Petersburg State University, Universitetskaya emb., 7-9, Saint Petersburg, 199034, Russia
O.V. Almjasheva – Saint Petersburg State Electrotechnical University “LETI”, Professora Popova St., 5, Saint Petersburg, 197376; Ioffe Institute, Politekhnicheskaya St. 26, Saint Petersburg, 194021, Russia; almjasheva@mail.ru
R. Sh. Abiev – Saint Petersburg State Institute of Technology, Moskovsky Pr., 26, Saint Petersburg, 190013; Institute of Silicate Chemistry RAS, Makarova emb., 2 Saint Petersburg, 199034, Russia; rufat.abiev@gmail.com

The dependence of cobalt ferrite nanosized powder production process on the synthesis method and conditions was studied. The paper shows the possibility for producing nanocrystalline CoFe2O4 with an average particle size of 12 nm under conditions of an impinging-jets microreactor at room temperature. The influence exerted by the parameters of process implementation in the microreactor on phase formation in the CoO–Fe2O3–H2O system was analyzed.

Keywords: cobalt ferrite, nanosized powders, impinging jet microreactor.

DOI 10.17586/2220-8054-2021-12-3-303-310

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