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V. A. PROKOPENKO, O. V. LAVRINENKO, and S. V. MAMUNYA
«Formation of Nanosize Iron–Oxygen Structures in Fe0–H2O–O2 System and Methods for Phase Formation Control»
PACS numbers: 81.07.Nb, 81.16.Dn, 81.20.-n, 81.65.Mq, 82.45.-h, 82.70.Uv
The nanosize iron–oxygen-structures’ nucleation in Fe0–H2O–O2 system on
the iron surface, near-surface layer and dispersion medium is investigated.
As revealed, the phase composition and structure of iron monohydrates and
oxides change depending on phase-formation process parameters. Regularities
of nano- and microsize iron–oxygen-structures’ formation in Fe0–H2O–
O2 system are analyzed depending on chemical composition and pH value of
dispersion medium, oxidant access and temperature. As shown, the control of
physicochemical parameters of phase-forming process in the systems based
on Fe0–H2O–O2 can be one of the control methods for fabrication of iron–
oxygen-compounds’ monophases of different crystallographic modifications.