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Comparative analysis of frictional behavior and mechanism of molybdenum ditelluride with different structures

Figure 3 from “Comparative analysis of frictional behavior and mechanism of molybdenum ditelluride with different structures” by Lina Zhang et al.: Atomic-scale friction maps of MoTe 2. (a) Mapping of friction signal of 1T′-MoTe 2. (b) Reciprocal lattice obtained by 2D FFT on (a). (c) Atomic-level stick–slip map obtained by FFT filtering of (a). (d) Unit cell structure of 1T′-MoTe 2. (e) Friction profile extracted along the blue dashed line in (c). (f) Mapping of friction signal of 2H-MoTe 2 . (g) Reciprocal lattice obtained by 2D FFT on (f). (h) Atomic-level stick–slip map obtained by FFT filtering of (f). (i) Unit cell structure of 2H-MoTe2. (j) Friction profile extracted along the blue dashed line in (h). NANOSENSORS PointProbe Plus PPP-LFMR AFM probes were used.

Two-dimensional (2D) transition metal dichalcogenides (TMDCs) have layered structures with excellent tribological properties. * Since the energy difference between hexagonal-molybdenum ditelluride (2H-MoTe2) and distorted octahedral-molybdenum… Read More »Comparative analysis of frictional behavior and mechanism of molybdenum ditelluride with different structures

Rapid access to discrete and monodisperse block co-oligomers from sugar and terpenoid toward ultrasmall periodic nanostructures

Fig. 4 from : Rapid access to discrete and monodisperse block co-oligomers from sugar and terpenoid toward ultrasmall periodic nanostructures by Takuya Isono et al. Thin-film morphologies of Glc3-b-Sol and Glc4-b-Sol. AFM height images (a, b) and corresponding cross-sectional profiles (c, d) indicating the formation of 6–8-nm-thick horizontal lamellae in Glc3-b-Sol (a, c) and Glc4-b-Sol thin films (b, d). Thin-film samples were prepared by spin-coating the BCO solution onto the hydrophilic surface of a silicon substrate followed by thermal annealing at 85 °C for 1 h. NANOSENSORS PointProbe Plus PPP-NCHR standard silicon tapping mode AFM probes and NANOSENSORS SuperSharpSilicon high resolution silicon AFM probes were used

Discrete block co-oligomers (BCOs) can form highly ordered ultrasmall nanostructures which can be used for lithographic templates. These nanotemplates are promising for the low-cost, large-scale,… Read More »Rapid access to discrete and monodisperse block co-oligomers from sugar and terpenoid toward ultrasmall periodic nanostructures