Change in the room temperature magnetic property of ZnO upon Mn doping
- 15 August 2008
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 104 (4)
- https://doi.org/10.1063/1.2969945
Abstract
We present in this paper the changes in the room temperature magnetic property of ZnO on Mn doping prepared using solvo-thermal process. The zero field cooled (ZFC) and field cooled (FC) magnetisation of undoped ZnO showed bifurcation and magnetic hysteresis at room temperature. Upon Mn doping the magnetic hysteresis at room temperature and the bifurcation in ZFC-FC magnetization vanishes. The results seem to indicate that undoped ZnO is ferromagnetic while on the other hand the Mn doped ZnO is not a ferromagnetic system. We observe that on addition of Mn atoms the system shows antiferromagnetism with very giant magnetic moments.Comment: 5 figureKeywords
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This publication has 31 references indexed in Scilit:
- Enhancement of ferromagnetism upon thermal annealing in pure ZnOApplied Physics Letters, 2007
- Ferromagnetism as a universal feature of nanoparticles of the otherwise nonmagnetic oxidesPhysical Review B, 2006
- Evidence for magnetism due to oxygen vacancies in Fe-doped HfO2 thin filmsApplied Physics Letters, 2006
- Oxygen-defect-induced magnetism to 880 K in semiconducting anatase TiO2−δfilmsJournal of Physics: Condensed Matter, 2006
- Room-temperature ferromagnetism observed in undoped semiconducting and insulating oxide thin filmsPhysical Review B, 2006
- Magnetism in hafnium dioxidePhysical Review B, 2005
- Role of defects in tuning ferromagnetism in diluted magnetic oxide thin filmsPhysical Review B, 2005
- Reversible 300 K Ferromagnetic Ordering in a Diluted Magnetic SemiconductorAdvanced Materials, 2004
- Unexpected magnetism in a dielectric oxideNature, 2004
- High-Temperature Ferromagnetism in-Doped ZnO Aggregates Prepared from Colloidal Diluted Magnetic Semiconductor Quantum DotsPhysical Review Letters, 2003