Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/12587
Title: Intercalation leads to inverse layer dependence of friction on chemically doped MoS2
Authors: Açıkgöz, Oğulcan
Guerrero, Enrique
Yanılmaz, Alper
Dağdeviren, Ömür E.
Çelebi, Cem
Strubbe, David A.
Baykara, Mehmet Z.
Keywords: Chemical doping
Density functional theory
Molybdenum disulfide
Issue Date: Jan-2023
Publisher: IOP Publishing
Abstract: We present results of atomic-force-microscopy-based friction measurements on Re-doped molybdenum disulfide (MoS2). In stark contrast to the widespread observation of decreasing friction with increasing number of layers on two-dimensional (2D) materials, friction on Re-doped MoS2 exhibits an anomalous, i.e. inverse, dependence on the number of layers. Raman spectroscopy measurements combined with ab initio calculations reveal signatures of Re intercalation. Calculations suggest an increase in out-of-plane stiffness that inversely correlates with the number of layers as the physical mechanism behind this remarkable observation, revealing a distinctive regime of puckering for 2D materials.
URI: https://doi.org/10.1088/1361-6528/ac9393
https://hdl.handle.net/11147/12587
Appears in Collections:Physics / Fizik
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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