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Title: Room temperature ferromagnetism in N-doped rutile TiO2 films
Authors: Bao, N.N. 
Fan, H.M. 
Ding, J. 
Yi, J.B. 
Issue Date: 1-Apr-2011
Citation: Bao, N.N., Fan, H.M., Ding, J., Yi, J.B. (2011-04-01). Room temperature ferromagnetism in N-doped rutile TiO2 films. Journal of Applied Physics 109 (7) : -. ScholarBank@NUS Repository.
Abstract: Room temperature ferromagnetism has been experimentally observed in TiO2:N films prepared by pulse laser deposition under N2O atmosphere. The ferromagnetism appears when the N2O partial pressure is higher than 10-5 Torr. XPS study has revealed that N substitutes O at the partial pressure of 10-5 Torr, whereas additional N atoms occupy interstitial sites besides substituting N at higher N2O partial pressures. Our study indicates that the origin of the ferromagnetism is the O substitution with N. Each substituted N has a magnetic moment of approximately 0.9 B. The substitution of O also resulted in p-type behavior, accompanied with magnetoresistance and anomalous Hall effect. © 2011 American Institute of Physics.
Source Title: Journal of Applied Physics
ISSN: 00218979
DOI: 10.1063/1.3535427
Appears in Collections:Staff Publications

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