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|Title:||Magnetic molybdenum disulfide nanosheet films|
|Citation:||Zhang, J., Soon, J.M., Loh, K.P., Yin, J., Ding, J., Sullivian, M.B., Wu, P. (2007-08). Magnetic molybdenum disulfide nanosheet films. Nano Letters 7 (8) : 2370-2376. ScholarBank@NUS Repository. https://doi.org/10.1021/nl071016r|
|Abstract:||Bulk molybdenum disulfide is known to be a nonmagnetic material. We have synthesized edge-oriented MoS2 nanosheet-like films that exhibit weak magnetism (∼1-2 emu/g) and 2.5% magnetoresistance effects with a Curie temperature of 685 K. The magnetization is related to the presence of edge spins on the prismatic edges of the nanosheets. Spin-polarized calculations were performed on triangular-shaped cluster models in order to provide insight into the origin of magnetism on the edges as well as the size-property correlation in these MoS2 nanosheets. Our results imply that nanostructured films with a high density of edge spins can give rise to magnetism even though the bulk material is nonmagnetic. © 2007 American Chemical Society.|
|Source Title:||Nano Letters|
|Appears in Collections:||Staff Publications|
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