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Title: Magnetism in MoS 2 induced by proton irradiation
Authors: Mathew, S. 
Gopinadhan, K. 
Chan, T.K. 
Yu, X.J. 
Zhan, D.
Cao, L.
Rusydi, A. 
Breese, M.B.H. 
Dhar, S. 
Shen, Z.X.
Venkatesan, T. 
Thong, J.T.L. 
Issue Date: 3-Sep-2012
Citation: Mathew, S., Gopinadhan, K., Chan, T.K., Yu, X.J., Zhan, D., Cao, L., Rusydi, A., Breese, M.B.H., Dhar, S., Shen, Z.X., Venkatesan, T., Thong, J.T.L. (2012-09-03). Magnetism in MoS 2 induced by proton irradiation. Applied Physics Letters 101 (10) : -. ScholarBank@NUS Repository.
Abstract: Molybdenum disulphide, a diamagnetic layered dichalcogenide solid, is found to show magnetic ordering at room temperature when exposed to a 2 MeV proton beam. The temperature dependence of magnetization displays ferrimagnetic behavior with a Curie temperature of 895 K. A disorder mode corresponding to a zone-edge phonon and a Mo valence higher than +4 has been detected in the irradiated samples using Raman and x-ray photoelectron spectroscopy, respectively. The possible origins of long-range magnetic ordering in irradiated MoS 2 samples are discussed. © 2012 American Institute of Physics.
Source Title: Applied Physics Letters
ISSN: 00036951
DOI: 10.1063/1.4750237
Appears in Collections:Staff Publications

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