Please use this identifier to cite or link to this item:
|Title:||Oscillating edge states in one-dimensional MoS2 nanowires||Authors:||Xu H.
atomic force microscopy
density functional theory
electron energy loss spectroscopy
scanning tunneling microscopy
X ray photoelectron spectroscopy
|Issue Date:||2016||Publisher:||Nature Publishing Group||Citation:||Xu H., Liu S., Ding Z., Tan S.J.R., Yam K.M., Bao Y., Nai C.T., Ng M.-F., Lu J., Zhang C., Loh K.P. (2016). Oscillating edge states in one-dimensional MoS2 nanowires. Nature Communications 7 : 12904. ScholarBank@NUS Repository. https://doi.org/10.1038/ncomms12904||Abstract:||Reducing the dimensionality of transition metal dichalcogenides to one dimension opens it to structural and electronic modulation related to charge density wave and quantum correlation effects arising from edge states. The greater flexibility of a molecular scale nanowire allows a strain-imposing substrate to exert structural and electronic modulation on it, leading to an interplay between the curvature-induced influences and intrinsic ground-state topology. Herein, the templated growth of MoS2 nanowire arrays consisting of the smallest stoichiometric MoS2 building blocks is investigated using scanning tunnelling microscopy and non-contact atomic force microscopy. Our results show that lattice strain imposed on a nanowire causes the energy of the edge states to oscillate periodically along its length in phase with the period of the substrate topographical modulation. This periodic oscillation vanishes when individual MoS2 nanowires join to form a wider nanoribbon, revealing that the strain-induced modulation depends on in-plane rigidity, which increases with system size. © The Author(s) 2016.||Source Title:||Nature Communications||URI:||https://scholarbank.nus.edu.sg/handle/10635/174929||ISSN:||20411723||DOI:||10.1038/ncomms12904|
|Appears in Collections:||Elements|
Show full item record
Files in This Item:
|10_1038_ncomms12904.pdf||2.14 MB||Adobe PDF|
checked on Apr 7, 2021
checked on Apr 9, 2021
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.