AFM tapping mode image

Figure 8.7 140 x 140 images of (a) AFM tapping mode image of the gold minigrid... 

Fig. 1.9 AFM tapping mode images of a spherulitic texture in isotact polypropylene. The sample was crystallized to completion at 145°C and subjected to permanganic etching prior to examination. Image (a) shows topography while (b) contains phase information. Scale bars 5 iim.

AFM tapping-mode images of a smooth surface left a-iPP, right p-iPP... 

Figure 14.7 AFM tapping mode images of cured, unfilled PDMS (a) and PDMS filled with 0.1% multiwall carbon nanotubes (b), 1 day after Immersion. (Images reproduced with permission from [35]. Copyright (2009) Journal of Nanostructured Polymers and Nanocomposites.)...

Figure 3.17 Top Application of different microscopic techniques to study the surface and interior of a hulk polymeric material. Bottom Comparison of the results from different microscopic techniques apphed to a - iPP (a) SEM image after permanganic etching, (b) TEM image of chemically stained ultrathin section, and (c) AFM tapping mode image.

Fig. 5.10. Sample of iPP AFM tapping mode image showing a granular substructure of the edge-on oriented crystal lamellae (1 pm scan). Prom Magonov et al. [38]...

There are cases in which the granular substructure is also seen in AFM tapping mode images. The example presented in Fig. 5.10 was obtained for a sample of isotactic pol3rpropylene (iPP). 

Fig. 5.21. In-situ AFM recording of crystallizing BA-C8 (at 22 °C). AFM tapping mode images of a homogeneously nucleated growing spheruhte obtained at different times. Prom Li et al. [48]. Copyright (2003) Elsevier Science Ltd...

Figure 1.7 AFM tapping mode images of BA-C8 during crystaUization at room temperature. One embryo developed into a straight founding lamella later the branching and splaying occurred [73-75],...

The presence and the thickness of irreversibly adsorbed layer were studied according to a procedure defined by Guiselin [5]. A spin coated polymer film is washed for several minutes in the same solvent used for the initial solution so that the non-adsorbed chains are removed and only those irreversibly adsorbed remain on the substrate. The thickness of the residual layer was measured via the analysis of AFM tapping mode images performed with the same instrument as for LDS measurements. 

Fig. 14 Two topview AFM images of A-DNA in AFM tapping mode imder ambient conditions a before and b after mechanically cutting a dsDNA strand in the center of the image (circles) with the AFM cantilever tip [106]. Reprinted with permission...

The sequence of AFM tapping mode phase images shows an edge-on view near the center of a growing hedrite. Somewhat different lamellar projections (closer to flat-on) are observed, e.g., in Fig. 4.34 C and D, which indicate a tilt of the crystal with respect to the surface. Images captured in time-laps series can provide unique... 

Fig. 7.8. Tapping mode images of a polyimide surface, oriented by (a) ordinary rubbing with a piece of soft cloth, and, (b) AFM rubbing, performed by scanning the AFM tip across the surface in a regular manner, rubbing force is 0.8 x 10 N.

Fig. 7.9. Tapping mode images of 80 nm polyimide films, rubbed using AFM. (a) scan force 0.2 x 10 N. (b) scan force 0.8x10 N. (c) scan force 1.5 x 10 N. Optical micrograph of twisted nematic cells, formed by AFM patterned substrate.

Figure 3 AFM (tapping mode) height image of copolymers 4 with R = C00/Bu on mica. ...

Figure 7.52. Comparative images of (a) contact-mode and (b) tapping mode AFM of oil droplets on a polystyrene surface. Whereas no surface features are evident from CM-AFM, tapping-mode AFM reveals small hemispherical-shaped features. Imaging was acquired under deionized water, and all scale bars are 1.0 micron. Reproduced with permission from Connell, S. D. A. Allen, S. Roberts, C. J. Davies, J. Davies, M. C. Tendler, S. J. B. Williams, P. M. Langmnir 2002,18,1719. Copyright 2002 American Chemical Society.

Figure 14.6 AFM tapping mode, phase images of amphiphilic, fluorinated/PECylated styrene-based copolymers. The left hand column shows morphologies of dry films after annealing at 120°. The right hand column shows the same coatings after immersion for 7 days in artificial seawater. The two coatings (A) and (B) differ in the degree of polymerization of the polystyrene (S ) and the relative lengths of...

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