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|Title:||Reversible ferromagnetism in rutile TiO 2 single crystals induced by nickel impurities|
|Citation:||Zhao, Y.L., Motapothula, M., Yakovlev, N.L., Liu, Z.Q., Dhar, S., Rusydi, A., Ariando, Breese, M.B.H., Wang, Q., Venkatesan, T. (2012-10-01). Reversible ferromagnetism in rutile TiO 2 single crystals induced by nickel impurities. Applied Physics Letters 101 (14) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.4756799|
|Abstract:||We report a Ni impurity induced reversible ferromagnetism and surface conduction in rutile TiO 2 crystals subjected to specific thermal annealing. For annealing in vacuum at 800 °C, a growing ferromagnetic signal is seen with time while for a similar annealing in air, the magnetism vanishes. The magnetism is concomitant with a surface conductivity which at low temperatures shows tunneling characteristics. Here, we show that Ni magnetic impurity (in TiO 2 crystals at|
|Source Title:||Applied Physics Letters|
|Appears in Collections:||Staff Publications|
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