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Digitale Medien

The structure of Ni(II)−Fe(III) hydroxy-chloride green rusts by Mössbauer spectroscopy and X-ray diffraction (1992)

Refait, Ph. ; Génin, J. -M. R.

Springer

Hyperfine interactions 69 (1992), S. 827-830

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Details

ISSN: 1572-9540

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract The crystallographic structure of Ni(II)−Fe(III) hydroxy-chloride green rusts obtained by oxidation of a FexNi1−x(OH)2 precipitate is isomorphous with that of the ferrousferric green rust one and independent of the value of P=Fe/Ni. Mössbauer spectra exhibit two quadrupole doublets after further oxidation of the compounds which correspond to a formula (3-x)Ni(OH)2 · xFeOOH · Fe(OH)2Cl. The Fe3+ ions are found to occupy preferentially the sites close to the Cl− ions and the Ni2+ those far from them. However the ordering of the Fe3+ ions is not perfect.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF02401954

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