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Nanoscience and Technology: An International Journal
ESCI SJR: 0.228 SNIP: 0.484 CiteScore™: 0.37

ISSN Druckformat: 2572-4258
ISSN Online: 2572-4266

Nanoscience and Technology: An International Journal

Formerly Known as Nanomechanics Science and Technology: An International Journal

DOI: 10.1615/NanomechanicsSciTechnolIntJ.v5.i4.60
pages 323-336

THE STRUCTURE OF NANOCOMPOSITES BASED ON MAGNETITE AND HUMIC ACIDS PRODUCED BY CHEMICAL COPRECIPITATION AND MECHANOCHEMICAL SYNTHESIS

A. A. Yurishcheva
Moscow Aviation Institute (National Research University), 4 Volokolamskoe Shosse, Moscow A80, 125993, Russian Federation
G. I. Dzhardimalieva
Institute of Problems of Chemical Physics, Russian Academy of Sciences, 1 Academician Semenov Ave., Chernogolovka, Moscow Region, 142432, Russian Federation
E. J. Kasymova
Institute of Chemistry and Chemical Technology, National Academy of Sciences, Kyrgyzstan
S. I. Pomogailo
Institute of Problems of Chemical Physics, Russian Academy of Sciences, 1 Akademik Semenov Ave., Chernogolovka, Moscow Region, 142432, Russia
Kamila Kydralieva
Moscow Aviation Institute (National Research University), 4 Volokolamskoe Highway, Moscow, 125993, Russia
S. P. Li
Kyrgyz Zh. Balasagyn National University, 547 Frunze Str., Bishkek, 720033, Kyrgyzstan

ABSTRAKT

A comparative analysis of methods used for obtaining hybrid functional materials based on magnetite nanoparticles and humic acids by in situ chemical co-deposition or mechanochemical dispersion showed that the method of in situ chemical co-deposition is optimal for producing Fe3O4−HA nanocomposites with reproducible sizes and structure. The possibility of regulating the sizes and magnetic properties of magnetite nanoparticles by varying the Fe3O4 and HAs ratio in the composite is demonstrated. The mechanochemical synthesis method provided opposite results in terms of decrease and increase of particle sizes, which varied in a broad range from nanoscale to micrometer sizes depending on synthesis conditions, accompanied by their increased size distribution. X-ray phase and Mossbauer studies of the hybrid material samples produced by mechanochemical synthesis showed parameters not typical of the magnetite phase.


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