Enhancement of room temperature ferromagnetism of Fe-doped ZnO epitaxial thin films with Al co-doping

Epitaxial films of ZnO doped with magnetic ion Fe and, in some cases, with 1% Al show clear evidence of room temperature ferromagnetic ordering. The Al doped optimized samples with carrier concentration n c∼8.0×10 20 cm −3 show about 3 times enhanced saturation magnetization (0.58 μ B/Fe 2+) than th...

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Veröffentlicht in:	Journal of magnetism and magnetic materials 2011-04, Vol.323 (8), p.1033-1039
Hauptverfasser:	Chattopadhyay, S., Nath, T.K., Behan, A.J., Neal, J.R., Score, D., Feng, Q., Fox, A.M., Gehring, G.A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum Antiferromagnetic coupling Carrier density Carrier induced ferromagnetism Carriers Condensed matter: electronic structure, electrical, magnetic, and optical properties Defect state Dilute magnetic semiconductor Electrical properties of specific thin films Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures Epitaxy Exact sciences and technology Ferromagnetism Ii-vi semiconductors Iron Magnetic properties and materials Magnetic properties of monolayers and thin films Magnetic properties of surface, thin films and multilayers Magnetic semiconductors Magnetization Order disorder Physics Spinodal decomposition Studies of specific magnetic materials Thin films Zinc oxide
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