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Ferromagnetism at room temperature with a large magnetic moment in anatase V-doped TiO2 thin films

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3 Author(s)
Hong, Nguyen Hoa ; Laboratoire LEMA, UMR 6157 CNRS/CEA, Université F. Rabelais, Parc de Grandmont, 37200 Tours, France ; Sakai, Joe ; Hassini, Awatef

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V-doped TiO2 thin films were grown by laser ablation on LaAlO3 substrates. In the chosen range of the growth conditions, all V:TiO2 films have an anatase structure and exhibit semiconducting and ferromagnetic behaviors at room temperature. V:TiO2 films have a giant magnetic moment and they seem to be far better ferromagnetic than Co/Fe/Ni-doped TiO2 films. This study has proved that a few percent of V substituting for Ti in TiO2 can result in a potential diluted magnetic semiconductor. © 2004 American Institute of Physics.

Published in:

Applied Physics Letters  (Volume:84 ,  Issue: 14 )