- Room-temperature Ferromagnetism in Fe-doped Reduced TiO2-δ
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H.M. Lee, C.S. Kim, Y.R. Uhm, C.K. Rhee
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J Korean Powder Metall Inst. 2006;13(6):401-407.
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DOI: https://doi.org/10.4150/KPMI.2006.13.6.401
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 Abstract
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- Effects of oxygen deficiency on the room temperature ferromagnetism in Fe-doped reduced TiO_2 have been investigated by comparing the air-annealed Ti_0.97Fe_0.03O_2 compound with secondly post-annealed one in vacuum ambience. The air-annealed sample showed a paramagnetic behavior at room temperature. However, when the sample was further annealed in vacuum, a strongly enhanced ferromagnetic behavior was observed at same temperature. M"ossbauer spectra of air-annealed sample at 295K showed a single doublet of Fe3+
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