Formation of Interatomic Bonds of the Fumed Synthesis of Composites SiO2+Al2O3 | Zendy

Ya.V. Zaulychnyy | Zendy; М.V. Karpetz | Zendy; Yurii Yavorskyi | Zendy; В.М. Гунько | Zendy; V.I. Zarko | Zendy; V.Ya. Lkiv | Zendy

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Formation of Interatomic Bonds of the Fumed Synthesis of Composites SiO2+Al2O3

Author(s) -

Ya.V. Zaulychnyy,

М.V. Karpetz,

Yurii Yavorskyi,

В.М. Гунько,

V.I. Zarko,

V.Ya. Lkiv

Publication year - 2015

Publication title -

physics and chemistry of solid state

Language(s) - English

Resource type - Journals

eISSN - 2309-8589

pISSN - 1729-4428

DOI - 10.15330/pcss.16.2.425-431

Subject(s) - materials science , redistribution (election) , composite material , oxygen , population , valence (chemistry) , oxide , silicon , silicon dioxide , aluminium , chemistry , metallurgy , organic chemistry , demography , sociology , politics , political science , law

Crystalline and electronic structures of SiO2/Al2O3 mixtures have been analyzed using X-ray diffraction (XRD) and ultra-soft X-ray emission spectroscopy (USXES). Comparison of ultrasoft X-ray emission AlLα-, SiLα- and OKα-bands redistribution Alsp-, Sisp- and Op-valence electrons when changing the mass ratio (0,23Al2O3+0,77 SiO2;, 0,30Al2O3+0,70SiO2; 0,75Al2O3+25 SiO2) and depending on the method of obtaining them. Expansion OKα-emission bands showed an increase in population of Opπ-levels of oxygen in the formation of pyrogenic composites with different contents of aluminum oxide and silicon dioxide. Analysis AlLα-, SiLα- emission bands allowed to explain the increase of population Opπ-levels of oxygen and present the morphology formation of particles different of pyrogenic composites during synthesis.

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