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Chemistry for Sustainable Development

2016 year, number 2

Analysis of the Effect of Various Defects on Diffraction from Aluminium Hydroxides and Structural Features of Aluminium Oxides Obtained from Different Pseudoboehmites

1Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences, Pr. Akademika Lavrentyeva 5, Novosibirsk 630090 (Russia)
2Novosibirsk State University, Ul. Pirogova 2, Novosibirsk 630090 (Russia)
Keywords: гидроксиды и оксиды алюминия, рентгенографические методы исследования, структура, наноматериалы, aluminium hydroxides and oxides, X-ray analysis methods, structure, nanomaterials


Aluminium oxide systems were studied using a set of X-ray diffraction methods: Rietveld method, modelling of diffraction patterns of one-dimensionally disordered materials, modelling of fine dispersed substances, method of the radial distribution of electron density. Modelling of diffraction patterns of aluminium hydroxide and the curves of the radial distribution of electron density of oxides and hydroxides was carried out. Using the data of previous modelling, the real structure of aluminium hydroxides with different physicochemical properties and oxides obtained from them was studied. The results may be used in the analysis of any real object containing aluminium oxide systems, first of all nanometre-sized ones.