Abstract
Several samples of hematite, one a natural specimen, are considered in order to study the specific effect of the morphology on the magnetic structure and especially on the Morin transition. It seemed that mainly the weak-ferromagnetic contribution is affected by the morphology, as well as the transition temperature and region.
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References
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Verbeeck, A.E., De Grave, E. & Vandenberghe, R.E. The effect of the particle morphology on the Mössbauer effect in αFe2O3 . Hyperfine Interact 28, 639–642 (1986). https://doi.org/10.1007/BF02061529
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DOI: https://doi.org/10.1007/BF02061529