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Nanocrystallinity induced by heating |
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| Authors: | S Mørup T M Meaz C Bender Koch H C B Hansen |
| Institution: | 1. Department of Physics, Technical University of Denmark, Building 307, DK-2800, Lyngby, Denmark 2. Chemistry Department, Royal Veterinary and Agricultural University, Thorvaldsensvej 40, DK-1871, Frederiksberg C, Denmark |
| Abstract: | Samples of akaganeite (β-FeOOH) and goethite (α-FeOOH) have been studied after heating at various temperatures up to 800 °C. X-ray diffraction and Mössbauer spectroscopy measurements showed that slightly below the temperatures at which the samples transform to hematite (α-Fe2O3) the oxyhydroxide phases become nanocrystalline. |
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