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The influence of iron substitution on the magnetic properties of hausmannite, Mn2+(Fe,Mn)3+2O4
iron substitution magnetic properties hausmannite Mn2+(Fe,Mn)3+2O4
2012/3/31
The occurrence of hausmannite with an apparent Curie temperature close to 750 K, instead of 41.8 K was recently described from hydrothermally altered manganese ore from the Kalahari manganese field, S...
Iron Substitution in Soil and Synthetic Anatase
Anatase Crystal chemistry EPR Fe substitution FTIR Mossbauer OH桹-substitution Pseudobrookite TA TEM XRD
2011/12/28
IronIII for TiIV substitution in the structure of pedogenic and synthetic anatase of up to Fe/(Ti+Fe) 0.1 mol/mol was indicated by an increase in unit cell size as measured by XRD line shifts. M鰏sbaue...
Iron Substitution in Montmorillonite, Illite, and Glauconite by 57Fe Mossbauer Spectroscopy
Glauconite Illite Iron Montmorillonite Mossbauer spectra
2012/1/10
The 57Fe M鰏sbauer spectra of an iron-rich montmorillonite, an illite, and two glauconites were measured and computer-fitted with appropriate Fe3+ and Fe2+ doublet resonances. The broad experimental Fe...