Kinetics and mechanism of doped corundum structure formation in water fluid

2008, №4

сс. 11-34

Yu.D. Ivakin, M.N. Danchevskaya, O.G. Ovchinnikova, G.P. Muravieva, V.A. Kreisberg

Key words: supercritical CO₂, inactivation, sterilization, microorganisms

The kinetics and mechanism of corundum  formation from hydrargillite in a water
fluid in sub- and supercritical conditions  in the presence of manganese ions are
investigated. It was established that the  formation of corundum structure with uniform
distribution of manganese ions takes place  due to a high solid-phase mobility, which
arises in the conditions of  quasi-equilibrium dehydroxylation of hydrargillite solid
matrix in a water fluid. During isomorphous  substitution of Al⁺³  ions by manganese
ions, the composite defects containing Mn²⁺ and Mn⁴⁺ ions with hydroxyl groups and
oxygen vacancies are formed. The corundum  samples doped with manganese exhibits
ferromagnetic properties at room  temperature.

Translated article

doi:10.1134/S199079310907001X

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ГОСТ
7.0.100-2018

Ивакин, Ю.Д. Kinetics and mechanism of doped corundum structure formation in water fluid / Ю.Д. Ивакин, М.Н. Данчевская, О.Г. Овчинникова [и др.]. – Текст : непосредственный // Сверхкритические Флюиды: Теория и Практика.. – 2008. – Т. 3. – № 4. – С. 11-34.

TRANSLIT

Ivakin, YU.D. Kinetika i mekhanizm formirovaniya struktury legirovannogo korunda v vodnom flyuide / YU.D. Ivakin, M.N. Danchevskaya, O.G. Ovchinnikova [i dr.]. – Sverhkriticheskie Flyuidy: Teoriya i Praktika.. – 2008. – Т. 3. – № 4. – S. 11-34.

Yu.D. Ivakin, M.N. Danchevskaya, O.G. Ovchinnikova, G.P. Muravieva, V.A. Kreisberg Kinetics and mechanism of doped corundum structure formation in water fluid. Sverhkriticheskie Flyuidy: Teoriya i Praktika, 4, 11-34 (2008). https://doi.org/

Kinetics and mechanism of doped corundum structure formation in water fluid

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