Mössbauer effect study and crystallographic structure of chlorinated green rust one compounds |
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| Authors: | Ph Refait D Rézel A A Olowe J -M R Génin |
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| Institution: | 1. Laboratoire CNRS Maurice Letort UP 6851, Groupe de Spectrométrie M?ssbauer Département Sciences des Matériaux, Université de Nancy 1, ESSTIN, Parc R. Bentz, F 54500, Vandoeuvre-Nancy, France
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| Abstract: | Mössbauer spectra of green rust one run at 78 and 4.4 K exhibit two ferrous and one ferric sites in the 2/1/1 intensity ratio. Chemical formula is set at 3Fe(OH)2, Fe(OH)2Cl, nH2O. By replacing Fe2+ with Ni2+ ions, the compound is stabilized and the structure is determined on a ABiBCiCai stacking sequence. Space group is P3121 with an hexagonal unit cell of parameters a=6.17 and c=23.5 A0. |
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