Nanomaterials for Nanoscience and Nanotechnology part 4 docx
Nanomaterials for Nanoscience and Nanotechnology part 4 docx
... images for a decahedral Au particle at various orientations and at focuses of (A) Áf = 42 nm and (B) Áf = 70 nm. The Fourier transform of the image is also displayed (Courtsey of Drs. Ascencio and ... the objective lens and the specimen thickness are two important pa- 44 Wang Figure 3 -4. (a) A schematic diagram showing the physical approach of the multislice theory for image a...
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Nanomaterials for Nanoscience and Nanotechnology part 1 pptx
... levels, bands are formed. An energy gap between the con- duction band and the valence band would be formed, which is a key factor in deter- Nanomaterials for Nanoscience and Nanotechnology 5 Part ... 28. [ 14] R.G. Audran and A.P. Huguenard, U.S. Patent, 1981, 4, 302,523. [15] R.F. Ziolo, U.S. Patent, 19 84, 4, 4 74, 866. [16] R.H. Marchessault, S. Ricard and P. Rioux, Car...
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Nanomaterials for Nanoscience and Nanotechnology part 2 pps
... information about the particle size and exter- nal form is concentrated. No details of the internal atomic arrangements are con- tained in the small-angle intensity distribution (see [3 ,4, 6] for ... here, a simple form of the simulated annealing algorithm is used and found to be quick and reliable [22, 29], the code used for this work is written in C and it runs on a desktop PC....
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Nanomaterials for Nanoscience and Nanotechnology part 3 potx
... H. Tolentino for stimulating discussions. DZ and DU are indebted to FAPESP (Con- tracts 96/12550±8, 97/ 042 36 -4) and CNPq for funding. BDH gratefully acknowledges financial support for travel under ... 58, 49 17. [23] V. Gnutzmann and W. Vogel, J. Phys. Chem. 1990, 94, 49 91. [ 24] W. Vogel, B. Rosner and B. Tesche, J. Phys. Chem. 1993, 97, 11611; W. Vogel, D. A. H. Cunning-...
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Nanomaterials for Nanoscience and Nanotechnology part 6 pdf
... recently for the cases of an- isotropic dielectric medium, such as carbon onion structure and carbon nanotubes [48 , 49 ]. Shown in Figure 3-25a are a group of calculated EELS spectra for a carbon ... SC 12 H 25 molecules and dispersed on an amorphous silica substrate. The energy window width was 20 eV. shows a comparison of the spectra acquired from Co 3 O 4 and CoO standard spe...
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Nanomaterials for Nanoscience and Nanotechnology part 8 ppt
... overlapping discs. The numeral 2 stands for two- beam interference, 3 for three-beam interference, 4 for four-beam interference, and the letter D indi- cates detector positions for dark-field lattice imag- ing. The ... diffraction and phase effects (Fig. 4- 11a), but these nanoparticles can be easily recognized in HAADF images (Fig. 4- 11b). 96 Liu Figure 4- 11. BF (a) and...
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Nanomaterials for Nanoscience and Nanotechnology part 9 pot
... of Nanoparticles 103 Figure 4- 16. Intensity and radius data from particles in HAADF and SE images of silver nanoparticles plotted as (intensity) 1/3 against particle radius R. The HAADF and SE ... [32]. For imaging small particles, however, an analytical probe (top-hat shape) may give shaper images. 98 Liu 4. 4.1 Coherent electron nanodiffraction with a £ y B 4. 4.1.1 Perfect crys...
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Nanomaterials for Nanoscience and Nanotechnology part 10 pps
... [93, 112, 1 14] . Figure 4- 25 shows an SE image of a MgO particle revealing surface steps, facets, and the var- Scanning Transmission Electron Microscopy of Nanoparticles 115 Figure 4- 25. High-resolution ... morphological information about the sample (Fig. 4- 4). In the following, we will discuss the emission and collection of sec- ondary electrons, the resolution and contrast of S...
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Nanomaterials for Nanoscience and Nanotechnology part 11 pdf
... Proc. R. Soc. Lond. 1993, A 441 , 261. [44 ] J. Fertig, H. Rose, Optik 1981, 59, 40 7. [45 ] R. F. Loane, E. J. Kirkland, J. Silcox, Acta Crystallogr. 1988, A 44, 912. [46 ] J. M. Zuo, J. C. H. Spence, ... 1996, 45 ,51 [138] C. Colliex, J. Electron Microsc. 1996, 45 , 44 . [139] D. A. Muller, D. A. Shashkov, R. Benedek, L. H. Yang, J. Silcox, D. N. Seidman, Phys. Rev. Lett. 1998, 80,...
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Tài liệu A resource for reading and words part 4 docx
... the for our hard work and we will be challenging for the world title ourselves in a couple of years," he said. 3. Megan's been married for 18 years and still loves her husband, ... going to work. B) had finished work and was going home. C) was working for a man called Rogers. D) was trying to sell more and more. E) looked shabby and unshaven. 3....
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