Mössbauer investigation of iron-aluminium mixed oxides.
Mixed hydroxides of iron and aluminium have been precipitated from solutions containing iron and aluminium salts. The ratio of iron and aluminium was changed from 1:1 to 1:9. The mixed oxides produced by heating the hydroxides have been investigated by the Mössbauer effect. The Mössbauer spectra were composed of two systems of lines: one is due to magnetic splitting produced by alpha-Fe(2)O(3), the other is due to quadrupole splitting (0.45 mm s ) which can be assigned to iron atoms in the lattice of alpha-Al(2)O(3). The role of the anion of the solvated salts has also been investigated.
Korecz
L
L
Department of Atomic Physics, Department of Experimental Physics and Institute of Inorganic and Analytical Chemistry, L. Eötvös University, Budapest, and Institute for General and Analytical Chemistry, Technical University, Budapest, Hungary.
Kurucz
I
I
Menczel
G
G
Papp-Molnár
E
E
Pungor
E
E
Burger
K
K