Electron Paramagnetic Resonance Study and Magnetic Property of Ni-Doped Titanate Nanorods

Abstract:

Ni-doped titanate nanorods were synthesized from anatase TiO2 powder and Ni nitrate using a one-step hydrothermal reaction in alkaline solution. The nanorods are straight with lengths a few micrometer and diameters between 80 and 120 nm. The Ni-doped nanorods have the similar structure as hydrogen titanate nanorods of monoclinic structure. Magnetic measurement revealed that Ni-doped titanate nanorods are ferromagnetism at 300K. Electron paramagnetic resonance were studied and the spectra showed that a broad asymmetric signal and a signal in low field appeared due to the Ni ions incorporated into the titanate lattice. The results suggest that Ni-dopants play an important role in the ferromagnetism. The ferromagnetic response could be attributed to Ni intercalated into the titanate lattice.

• Periodical: Advanced Materials Research (Volume 668)
• Pages: 723-728
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.668.723
• Online since: March 2013
• Authors: Xin Wei Wang, Xue Ting Shi, Shu Peng Lv, Jun Chen, Suang Yin Wang
• Keywords: EPR, Ferromagnetism, Nanorod, Titanate

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