Magnetic properties of MoS2: Existence of ferromagnetism

We report on the magnetic properties of MoS2 measured from room temperature down to 10 K and magnetic fields up to 5 T. We find that single crystals of MoS2 display ferromagnetism superimposed onto large temperature-dependent diamagnetism and have observed that ferromagnetism persists from 10 K up t...

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Bibliographic Details
Published in:Applied physics letters 2012-09, Vol.101 (12)
Main Authors: Tongay, Sefaattin, Varnoosfaderani, Sima S., Appleton, Bill R., Wu, Junqiao, Hebard, Arthur F.
Format: Article
Language:English
Subjects:
Ferromagnetism
Grain boundaries
Ground state
Interlayers
Joining
Magnetic fields
Magnetic properties
Molybdenum disulfide
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Summary:We report on the magnetic properties of MoS2 measured from room temperature down to 10 K and magnetic fields up to 5 T. We find that single crystals of MoS2 display ferromagnetism superimposed onto large temperature-dependent diamagnetism and have observed that ferromagnetism persists from 10 K up to room temperature. We attribute the existence of ferromagnetism partly to the presence of zigzag edges in the magnetic ground state at the grain boundaries. Since the magnetic measurements are relatively insensitive to the interlayer coupling, these results are expected to be valid in the single layer limit.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.4753797