Maghemite in basalt studied by Mössbauer spectroscopy in external magnetic field

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ID: 117266
1970
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Abstract
In the present study, we investigate the feasibility of detecting and determining the presence of maghemite in rock samples, by obtaining Mössbauer spectra in an external magnetic field of 1.6 T at room temperature. The interaction of the external magnetic field and the magnetic moments of the sublattices will induce differential shifts in the peak positions. By this method, we can assign some lower limit of the amount of maghemite in the sample. The results are compared with a model for a mixture of maghemite and stoichiometric magnetite.
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Authors Helgason, Ö.;Gunnlaugsson, H. P.;Steinthorsson, S.;Koch, C. Bender;Mørup, S.;Helgason, Ö.;Gunnlaugsson, H. P.;Steinthorsson, S.;Koch, C. Bender;Mørup, S.;
Journal hyint
Year 1970
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doi:10.1007/BF02064574
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