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|Title:||Effect of cobalt doping concentration on the structural and magnetic properties of Fe3O4||Authors:||Tripathy, D.
|Issue Date:||18-May-2006||Citation:||Tripathy, D., Adeyeye, A.O., Piramanayagam, S.N., Mah, C.S., Gao, X., Wee, A.T.S. (2006-05-18). Effect of cobalt doping concentration on the structural and magnetic properties of Fe3O4. Thin Solid Films 505 (1-2) : 45-49. ScholarBank@NUS Repository. https://doi.org/10.1016/j.tsf.2005.10.036||Abstract:||In this work, we investigate the effects of cobalt doping on the structural, magnetic and transport properties of half metallic Fe 3O4 films fabricated on MgO (100) substrates by co-sputtering. The doped films exhibit a highly broadened metal-insulator Verwey transition as compared to that of undoped Fe3O4 films. The magnetic and transport properties of the doped films are markedly sensitive to the Co doping concentration; films with high Co doping exhibit almost negligible coercivity at room temperature. Magnetoresistance (MR) curves show linear magnetic field dependence for the undoped films, while a reduction in MR and departure from linear field dependence is observed for Co-doped films. © 2005 Elsevier B.V. All rights reserved.||Source Title:||Thin Solid Films||URI:||http://scholarbank.nus.edu.sg/handle/10635/82191||ISSN:||00406090||DOI:||10.1016/j.tsf.2005.10.036|
|Appears in Collections:||Staff Publications|
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