The synthesis of Fe3O4 spherical particles with defined size in a liquid medium


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Abstract

A method for the preparation of nanoand submicron spherical particles of magnetite which form agglomerates was described. At varying the reaction conditions, the particles of -50—200 nm were obtained and characterized by scanning electron microscopy, IR-spectroscopy, X-ray analysis, thermogravimetric analysis and differential scanning calorimetry. The scheme (zero approach) of the magnetite formation in the studied system was proposed. The investigation of magnetic properties proved that the obtained particles related to the hard magnetic materials. Curie temperature for the particles with different sizes was detected.

About the authors

A. E. Dosovitskii

Institute of Chemical Reagents and High Purity Chemical Substances

Email: el.v.gulyaeva@gmail.com
Russian Federation, 3 ul. Bogorodskiy val, Moscow, 107076

E. V. Grishechkina

Institute of Chemical Reagents and High Purity Chemical Substances

Author for correspondence.
Email: el.v.gulyaeva@gmail.com
Russian Federation, 3 ul. Bogorodskiy val, Moscow, 107076

A. L. Mikhlin

Institute of Chemical Reagents and High Purity Chemical Substances

Email: el.v.gulyaeva@gmail.com
Russian Federation, 3 ul. Bogorodskiy val, Moscow, 107076

V. M. Retivov

Institute of Chemical Reagents and High Purity Chemical Substances

Email: el.v.gulyaeva@gmail.com
Russian Federation, 3 ul. Bogorodskiy val, Moscow, 107076

A. V. Sobolev

Chemistry Department, M. V. Lomonosov Moscow State University

Email: el.v.gulyaeva@gmail.com
Russian Federation, Build. 3, 1 Leninskie Gory, Moscow, 119991

I. A. Presnyakov

Chemistry Department, M. V. Lomonosov Moscow State University

Email: el.v.gulyaeva@gmail.com
Russian Federation, Build. 3, 1 Leninskie Gory, Moscow, 119991

Yu. O. Lekina

Chemistry Department, M. V. Lomonosov Moscow State University

Email: el.v.gulyaeva@gmail.com
Russian Federation, Build. 3, 1 Leninskie Gory, Moscow, 119991

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