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TEM micrograph

Fig. 4. Transmission electron micrograph (TEM) of a CdTe deposit formed using 200 cycle of CdTe via EC-ALE. The regular layered structure, parallel with the substrate Au lattice planes, suggests the epitaxial nature of the deposit. Reproduced by permission from ref. [114]. Fig. 4. Transmission electron micrograph (TEM) of a CdTe deposit formed using 200 cycle of CdTe via EC-ALE. The regular layered structure, parallel with the substrate Au lattice planes, suggests the epitaxial nature of the deposit. Reproduced by permission from ref. [114].
Fig. 6 Transmission electron micrograph (TEM) of the cross-section of a PDMAAm(poly-dimethylacrylamide)-b-PST(polystyrene) block-graft-copolymerized surface stained in iodine vapor, a Spurr s resin, b PST layer, c PDMAm layer, d dithiocarbamate (DC)-derivatized PST film... Fig. 6 Transmission electron micrograph (TEM) of the cross-section of a PDMAAm(poly-dimethylacrylamide)-b-PST(polystyrene) block-graft-copolymerized surface stained in iodine vapor, a Spurr s resin, b PST layer, c PDMAm layer, d dithiocarbamate (DC)-derivatized PST film...
Fig. 1.1.5 (A-C) Transmission electron micrographs (TEM) taken during the formation... Fig. 1.1.5 (A-C) Transmission electron micrographs (TEM) taken during the formation...
Transmission electron micrographs (TEM) of submicrometer-size particles show faceted particles, and selected area electron diffraction (SAED) patterns of isolated particles show that they are formed by a small number of crystallites (Fig. 9.2.14a), This result is consistent with the mean size of the crystallites, which can be inferred from the x-ray diffraction lines broadening analysis using a William-son-Hall plot (35) in order to take into account the contribution of microstrains to the line broadening. Over the whole composition range, the mean crystallite size is in the range 40-60 nm for particles with a mean diameter in the range 200-300 nm (Table 9.2.5) (33). [Pg.481]

Fig. 14. Transmission electron micrograph (TEM) of poly(styrene/DVB) PolyHIPE prepared with a porogenic solvent in the continuous phase scale bar 1.5 pm... Fig. 14. Transmission electron micrograph (TEM) of poly(styrene/DVB) PolyHIPE prepared with a porogenic solvent in the continuous phase scale bar 1.5 pm...
Fig. 114. Transmission electron micrograph (TEM) at limiting aperture coverage of PbS crystals formed by the slow (30 min) infusion of H2S to an AA monolayer in the Lauda film balance (kept at it = 26 mNm 1 surface pressure) floating on an aqueous 5.0xl0 4M Pb(N03)2 solution. The PbS particulate film was deposited on a formvar-coated, 200-mesh copper grid [647]... Fig. 114. Transmission electron micrograph (TEM) at limiting aperture coverage of PbS crystals formed by the slow (30 min) infusion of H2S to an AA monolayer in the Lauda film balance (kept at it = 26 mNm 1 surface pressure) floating on an aqueous 5.0xl0 4M Pb(N03)2 solution. The PbS particulate film was deposited on a formvar-coated, 200-mesh copper grid [647]...
FIGURE 1 Cross-sectional transmission electron micrographs (TEM) of laterally overgrown GaN layer on a SiC>2 mask and window area. [Pg.590]

Fig. 17 Transmission electron micrographs (TEM) of three different grades of furnace blacks N220, N330, and N550 (dry state). (Bar length 100 nm)... Fig. 17 Transmission electron micrographs (TEM) of three different grades of furnace blacks N220, N330, and N550 (dry state). (Bar length 100 nm)...
Figure 3. Inset Transition electron micrograph (TEM) of FC-4 particles after ultrasonic treatment, x 8 000. Normalized distribution of particles by the area of their cross-section. Figure 3. Inset Transition electron micrograph (TEM) of FC-4 particles after ultrasonic treatment, x 8 000. Normalized distribution of particles by the area of their cross-section.
Figure 4. Transition electron micrograph (TEM) of FC-4 particles. (A)Stmcture of FC-4 particles, x 76 000, bar 0.1 pm. (B) Adsorbent particles with carbon filaments, (B)x 91 000, bar 0.1 pm. (C) Structure of a carbon filament, x 700 000, bar 0.01 pm. Figure 4. Transition electron micrograph (TEM) of FC-4 particles. (A)Stmcture of FC-4 particles, x 76 000, bar 0.1 pm. (B) Adsorbent particles with carbon filaments, (B)x 91 000, bar 0.1 pm. (C) Structure of a carbon filament, x 700 000, bar 0.01 pm.
Fig. la. Brighl-field transmission electron micrograph (TEM) of typical craze microstructure in polytstyrenc-acrylonitriie) PSAN- b Low angle electron diffraction pattern from the fibrils of the craze in a. Note the main-fibril axis lies primarily along s,. the tensile axis direction and the direction norma] to the craze-bulk polymer interface... [Pg.6]

Figure 2. The technical nature of wood tissue. (A) Scanning electron micrograph (SEM) of the surface of a softwood resulting from a cut directed perpendicular to the tree axis. This view is known tecnnicallu as the transverse or cross-sectional plane. (B) Schematic showing the location of the major constituents of wood chemistry. (C) Transmission electron micrograph (TEM) of the transverse section of a white spruce wood lignin skeleton that was prepared by removing cellulose and hemicelluloses with hydrofluoric add. Key L, lumen W, wall and ML, middle lamella. (Reproduced with permission from Ref. 38. Copyright 1974, Forest Products... Figure 2. The technical nature of wood tissue. (A) Scanning electron micrograph (SEM) of the surface of a softwood resulting from a cut directed perpendicular to the tree axis. This view is known tecnnicallu as the transverse or cross-sectional plane. (B) Schematic showing the location of the major constituents of wood chemistry. (C) Transmission electron micrograph (TEM) of the transverse section of a white spruce wood lignin skeleton that was prepared by removing cellulose and hemicelluloses with hydrofluoric add. Key L, lumen W, wall and ML, middle lamella. (Reproduced with permission from Ref. 38. Copyright 1974, Forest Products...
One of the main problems associated with hydrocarbon steam reforming over Ni is the deactivation of the Ni catalyst as a result of the formation of carbon deposits on Ni. The C-induced deactivation of Ni has been studied extensively [10,18,28-35], For example, Rostrup-Nielsen reported that steam reforming of various hquid fuels on Ni leads to the formation of encapsulating, whisker-like, or pyrolytic carbon on the catalyst [18, 30], To illustrate the problem of carbon poisoning, in Fig. 13.1 we show a transmission electron micrograph (TEM) of a Ni particle taken after steam reforming of propane at steam to carbon ratio of 1.5. The micrograph shows that carbon deposits are formed on Ni [16],... [Pg.277]

Fig. 25 Transmission electron micrographs (TEM) of a ternary nanocomposite of PS-poly(ethyl propylene) (PEP) diblock copolymer with two types of nanoparticle-Ugand systems AuR]- and SiO2R2-ftmctionalized (R i, R2 are alkyl groups) nanoparticles of total volume fraction 0.02. The former appear along the interface of the lamellar microdomains, whereas the latter reside in the center of PEP microphases. Schematically, the nanoparticle distribution is shown in the inset. Taken from [308]... Fig. 25 Transmission electron micrographs (TEM) of a ternary nanocomposite of PS-poly(ethyl propylene) (PEP) diblock copolymer with two types of nanoparticle-Ugand systems AuR]- and SiO2R2-ftmctionalized (R i, R2 are alkyl groups) nanoparticles of total volume fraction 0.02. The former appear along the interface of the lamellar microdomains, whereas the latter reside in the center of PEP microphases. Schematically, the nanoparticle distribution is shown in the inset. Taken from [308]...
Properties Hydrodynamic diameter as a function of pH reported, optical micrographs, TEM images available [421]. [Pg.848]

Transmission electron micrograph (TEM) images of log phase Lactobacillus paracasd NFBC 338 (a), spray dried at inlet and outlet temperatures of 180°C and 95-100°C respectively, (b), freeze dried cultures with dead (a) and live intact cell (b). Both cultures were dried in RSM (20% w/v). (Magnification X 60,000). [Pg.238]

In the meantime it has also become feasible to sjmthesize other meso-porous materials that differ from CPG in that ttiey consist of individual, disconnected cylindrical pores. These so-called SBA-15 or MCM-41 silica pores can be synthesized using a technical-grade triblock copolymer as the structure directing template in aequous H2SO4 solution and tetraethyl orthosilicate as the silica source [33, 34]. After calcination [35], one obtains a regular array of individual cylindrical pores as illustrated by the transmission electron micrographs (TEMs) shown in Fig. 4.2. [Pg.100]

The particles are usually composed of lamellar or gel phases [3,90,91], Electron micrographs (TEM or freeze fracture) show that most DHTDMAC particles exhibit a liposome-like structure called a vesicle (Figure 12.8). In this structure, the surfactant fatty chains form one or several highly organized hydrophobic areas... [Pg.528]

We observed the fracture surfaces using a scanning electron microscope (SEM, JEOL 840A) after coating them with a gold sputterer. Transmission electron micrographs (TEMs) were obtained by using a JEOL 1200 device for ultrami-... [Pg.189]


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