Room temperature ferromagnetism in ZnO films due to defects

作者: Marius Grundmann , Qingyu Xu , Heidemarie Schmidt , Shengqiang Zhou , Kay Potzger

DOI: 10.1063/1.2885730

关键词:

摘要: … In this paper, we prepared undoped ZnO films under N 2 atmosphere that show clear room temperature ferromagnetic signals from defects. The importance of defects in triggering …

参考文章(20)
PP Freitas, H Ferreira, H Kroenmuller, SS Parkin, Handbook of magnetism and advanced magnetic materials John Wiley & Sons Ltd.. ,(2007) , 10.1002/9780470022184
G. L. Liu, Q. Cao, J. X. Deng, P. F. Xing, Y. F. Tian, Y. X. Chen, S. S. Yan, L. M. Mei, High TC ferromagnetism of Zn(1−x)CoxO diluted magnetic semiconductors grown by oxygen plasma-assisted molecular beam epitaxy Applied Physics Letters. ,vol. 90, pp. 052504- ,(2007) , 10.1063/1.2437111
R. Salzer, D. Spemann, P. Esquinazi, R. Höhne, A. Setzer, K. Schindler, H. Schmidt, T. Butz, Possible pitfalls in search of magnetic order in thin films deposited on single crystalline sapphire substrates Journal of Magnetism and Magnetic Materials. ,vol. 317, pp. 53- 60 ,(2007) , 10.1016/J.JMMM.2007.04.015
Qingyu Xu, Heidemarie Schmidt, Lars Hartmann, Holger Hochmuth, Michael Lorenz, Annette Setzer, Pablo Esquinazi, Christoph Meinecke, Marius Grundmann, Room temperature ferromagnetism in Mn-doped ZnO films mediated by acceptor defects Applied Physics Letters. ,vol. 91, pp. 092503- ,(2007) , 10.1063/1.2778470
T. Jungwirth, K. Y. Wang, J. Mašek, K. W. Edmonds, Jürgen König, Jairo Sinova, M. Polini, N. A. Goncharuk, A. H. MacDonald, M. Sawicki, A. W. Rushforth, R. P. Campion, L. X. Zhao, C. T. Foxon, B. L. Gallagher, Prospects for high temperature ferromagnetism in (Ga,Mn)As semiconductors Physical Review B. ,vol. 72, pp. 165204- ,(2005) , 10.1103/PHYSREVB.72.165204
Ram Seshadri, Zinc oxide-based diluted magnetic semiconductors Current Opinion in Solid State & Materials Science. ,vol. 9, pp. 1- 7 ,(2005) , 10.1016/J.COSSMS.2006.03.002
S. Banerjee, M. Mandal, N. Gayathri, M. Sardar, Enhancement of ferromagnetism upon thermal annealing in pure ZnO Applied Physics Letters. ,vol. 91, pp. 182501- ,(2007) , 10.1063/1.2804081
D. B. Buchholz, R. P. H. Chang, J.-Y. Song, J. B. Ketterson, Room-temperature ferromagnetism in Cu-doped ZnO thin films Applied Physics Letters. ,vol. 87, pp. 082504- ,(2005) , 10.1063/1.2032588
Qingyu Xu, Lars Hartmann, Heidemarie Schmidt, Holger Hochmuth, Michael Lorenz, Annette Setzer, Pablo Esquinazi, Christoph Meinecke, Marius Grundmann, Magnetotransport properties of Zn90Mn7.5Cu2.5O100 films Thin Solid Films. ,vol. 516, pp. 1160- 1163 ,(2008) , 10.1016/J.TSF.2007.06.145
Nguyen Hoa Hong, Joe Sakai, Virginie Brizé, Observation of ferromagnetism at room temperature in ZnO thin films Journal of Physics: Condensed Matter. ,vol. 19, pp. 036219- ,(2007) , 10.1088/0953-8984/19/3/036219