Room-temperature ferromagnetic properties in Mn-doped rutile thin films

作者: Kwang Joo Kim , Young Ran Park , Jung Han Lee , Seung-Li Choi , Hee Jung Lee

DOI: 10.1016/J.JMMM.2007.02.093

关键词:

摘要: Abstract Room-temperature ferromagnetic properties of Mn-doped reduced titanium dioxide ( Ti 1 - x Mn O 2 δ ) thin films with rutile structure synthesized by a sol–gel method have been detected for limited range composition . The were found to be p-type semiconducting hole concentration near 10 19 cm 3 observed ferromagnetism in the is not related but x. room-temperature attributable magnetic polaron formed trapped electron oxygen vacancy and ions around it. Thus, existence vacancies necessary ferromagnetism.

参考文章(14)
Min Sik Park, S. K. Kwon, B. I. Min, Electronic structures of doped anataseTiO2:Ti1−xMxO2(M=Co,Mn, Fe, Ni) Physical Review B. ,vol. 65, pp. 161201- ,(2002) , 10.1103/PHYSREVB.65.161201
Yuji Matsumoto, Makoto Murakami, Tomoji Shono, Tetsuya Hasegawa, Tomoteru Fukumura, Masashi Kawasaki, Parhat Ahmet, Toyohiro Chikyow, Shin-ya Koshihara, Hideomi Koinuma, Room-Temperature Ferromagnetism in Transparent Transition Metal-Doped Titanium Dioxide Science. ,vol. 291, pp. 854- 856 ,(2001) , 10.1126/SCIENCE.1056186
Nguyen Hoa Hong, Joe Sakai, W. Prellier, Awatef Hassini, Antoine Ruyter, François Gervais, Ferromagnetism in transition-metal-doped Ti O 2 thin films Physical Review B. ,vol. 70, pp. 195204- ,(2004) , 10.1103/PHYSREVB.70.195204
Tomasz Dietl, o H Ohno, a F Matsukura, J Cibert, e D Ferrand, Zener Model Description of Ferromagnetism in Zinc-Blende Magnetic Semiconductors Science. ,vol. 287, pp. 1019- 1022 ,(2000) , 10.1126/SCIENCE.287.5455.1019
Hidemi Toyosaki, Tomoteru Fukumura, Yasuhiro Yamada, Kiyomi Nakajima, Toyohiro Chikyow, Tetsuya Hasegawa, Hideomi Koinuma, Masashi Kawasaki, Anomalous Hall effect governed by electron doping in a room-temperature transparent ferromagnetic semiconductor Nature Materials. ,vol. 3, pp. 221- 224 ,(2004) , 10.1038/NMAT1099
P. A. Stampe, R. J. Kennedy, Yan Xin, J. S. Parker, Investigation of the cobalt distribution in TiO2:Co thin films Journal of Applied Physics. ,vol. 92, pp. 7114- 7121 ,(2002) , 10.1063/1.1521259
Nguyen Hoa Hong, Joe Sakai, Awatef Hassini, Ferromagnetism at room temperature with a large magnetic moment in anatase V-doped TiO2 thin films Applied Physics Letters. ,vol. 84, pp. 2602- 2604 ,(2004) , 10.1063/1.1703848
T. Droubay, S. M. Heald, V. Shutthanandan, S. Thevuthasan, S. A. Chambers, J. Osterwalder, Cr-doped TiO2 anatase: A ferromagnetic insulator Journal of Applied Physics. ,vol. 97, pp. 046103- ,(2005) , 10.1063/1.1846158
Hyeong-Do Kim, S-J Oh, In-Sang Yang, Nam H Hur, None, X-ray photoelectron spectroscopy study of HgBa2CuO4+δ Physica C-superconductivity and Its Applications. ,vol. 253, pp. 351- 356 ,(1995) , 10.1016/0921-4534(95)00528-5
J. M. D. Coey, M. Venkatesan, C. B. Fitzgerald, Donor impurity band exchange in dilute ferromagnetic oxides. Nature Materials. ,vol. 4, pp. 173- 179 ,(2005) , 10.1038/NMAT1310