Abstract
Sm-doped TiO2 nanorods are synthesized by a molten salt method. The expansion of lattice parameters of Sm-doped TiO2 samples verified by XRD and TEM characterizations suggests the successful incorporation of Sm ions into TiO2 matrix. M-H loops show weak room temperature ferromagnetism in Sm-doped samples. Sm and N co-doped TiO2 nanorods are also prepared to study the magnetic behaviour. The results indicate that the co-doping does not enhance the room temperature ferromagnetism but leading to a strong paramagnetic signal at 5 K.
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