期刊
APPLIED PHYSICS LETTERS
卷 101, 期 10, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4750237
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资金
- NRF-CRP grant
- NUS [C-380-003-002-001]
- MOE AcRF Tier-2 grant
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 MoS2 samples are discussed. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4750237]
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