Abstract
Modification of ferrihydrite nanoparticles with boron is investigated using Mössbauer spectroscopy and powdered X-ray diffraction. These materials were heated to temperatures up to 600°C. The addition of the boron in the fabrication of ferrihydrite nanoparticles raises the transition temperature of the phase transformation of ferrihydrite to hematite. Evidence is that the boron does not penetrate the iron oxihydroxide structure, but attaches itself to the surface of the particles.
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On the occasion of the 80th birthday of Hendrik de Waard
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Stevens, J.G., Khasanov, A.M. & Grasette White, M.S. Ferrihydrite modification by boron doping. Hyperfine Interact 151, 283–290 (2003). https://doi.org/10.1023/B:HYPE.0000020420.52514.49
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DOI: https://doi.org/10.1023/B:HYPE.0000020420.52514.49