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Characterization of Fe(III)-Zr(IV) mixed and Sn(III)-doped hydrous oxides

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Abstract

Surface and structural properties of iron-zirconium mixed and Sn(II)-doped hydrous oxide gels have been compared with ferric oxide hydrate gel using thermal analysis, infrared spectroscopy, X-ray diffraction, electron microscopy and magnetic measurements. The mixed and doped oxide gels were found to consist of a hexagonal close packed arrangement of oxygen sublattices similar to those present in α-FeOOH and α-Fe2O3, with the iron ion quite randomly distributed in the gels. The gels were found to be composed of hexagonal to rounded and thin rod-like particles and their agglomerates. The particles in the superparamagnetic state have an incompletely compensated antiferromagnetic character.

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Authors and Affiliations

  1. Department of Chemistry, University of Roorkee, 247667, Roorkee, India

    S. K. Srivastava & C. K. Jain

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  1. S. K. Srivastava
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  2. C. K. Jain
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Srivastava, S.K., Jain, C.K. Characterization of Fe(III)-Zr(IV) mixed and Sn(III)-doped hydrous oxides. J Mater Sci 20, 1079–1084 (1985). https://doi.org/10.1007/BF00585752

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  • DOI: https://doi.org/10.1007/BF00585752

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