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γ-Alumina: a single-crystal X-ray diffraction study

Lubomir Smrcok ; Vratislav Langer (Institutionen för kemi- och bioteknik, Oorganisk miljökemi) ; Jan Krestan
Acta Crystallographica Section C: Crystal Structure Communications Vol. C62 (2006), 9, p. i83-i84.
[Artikel, refereegranskad vetenskaplig]

The structure of γ-alumina (Al21+1/32+2/3O32) crystals obtained as a product of a corrosion reaction between β-sialon and steel was refined in the space group Fd-3m. The oxygen sublattice is fully occupied. The refined occupancy parameters are 0.83(3), 0.818(13), 0.066(14) and 0.044(18) for Al ions in 8a, 16d, 16c and 48f positions, respectively. The Al ions are distributed over octahedral and tetrahedral sites in a 63:37 ratio, with 6% of all Al ions occupying non-spinel positions.

Nyckelord: X-ray strucrure determination

Denna post skapades 2006-08-25.
CPL Pubid: 22237


Institutioner (Chalmers)

Institutionen för kemi- och bioteknik, Oorganisk miljökemi (2005-2014)


Fasta tillståndets kemi

Chalmers infrastruktur