Abstract
The impact of doping the Fe component of barium hexaferrite with Ni0.5Ti0.5 is investigated using x-ray powder diffraction, 57Fe Mössbauer spectroscopy and microwave network analysis. The dopant ions exhibit a preference for the 2b, 4f 2 and 12k-sites and the unit cell volume is observed to decrease. The ferromagnetic resonance frequency is reduced by about 11.5 GHz for each additional dopant ion per formula unit.
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Proceedings of the 5th Joint International Conference on Hyperfine Interactions and International Symposium on Nuclear Quadrupole Interactions (HFI/NQI 2014), Canberra, Australia, 21-26 September 2014
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Harker, S.J., Stewart, G.A., Hutchison, W.D. et al. Microwave absorption and 57Fe Mössbauer properties of Ni-Ti doped barium hexaferrite. Hyperfine Interact 230, 205–211 (2015). https://doi.org/10.1007/s10751-014-1116-6
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DOI: https://doi.org/10.1007/s10751-014-1116-6