Characteristics of siox nanowires synthesized via the thermal heating of cu coated si substrates
Characteristics of siox nanowires synthesized via the thermal heating of cu coated si substrates
... Physica E 37 (2007) 163–167 Characteristics of SiO x nanowires synthesized via the thermal heating of Cu- coated Si substrates Hyoun Woo Kim à , Seung Hyun Shim, Jong Woo Lee School of Materials ... Cu- coated Si substrates. We have investigated the effect of Cu layer thickness on the growth of SiO x nanowires. We discuss the possible growth mecha...
Ngày tải lên: 16/03/2014, 15:14
Synthesis and photoluminescence property of silicon carbon nanowires synthesized by the thermal evaporation method
... because of AAO template. The synthesized SiC nanowires were of high yield without much bulk. The synthesized nanowires consist about 50 nm diameter core wrapped with an amorphous SiO 2 sheath. The ... of either high pure and expensive carbon nanotube or the hazardous and easily explosive silicon (carbon) precursor of SiH 4 or SiCl 4 (CH 4 ). In addition, the synthes...
Ngày tải lên: 16/03/2014, 15:21
Tailoring of amorphous siox nanowires grown by rapid thermal annealing
... reported that the Si L 23 ELNES of amorphous silicon monoxide appears to be a superposition of the spectra of elemental silicon and of SiO 2 [14]. The onset of the ne ar-edge structure of the nano- wire ... al. reported the fabrication of silica nanowires by solid state diffusion of silicon from the silica films [8]. The growth of SiO x nanowires via VL...
Ngày tải lên: 16/03/2014, 15:09
Characterization of tin catalyzed silicon nanowires synthesized by the hydrogen radical assisted deposition method
... ncr easing H 2 gas flo w rate. When the SiNWs w ere synthesized at H 2 gas flow of 13 0 s ccm, the SiNWs we re smoothly curved as shown in inset of Fig. 1 (a). On the other hand, when the SiNWs ... FE-SEM images of the as -synthesized SiNWs at hydrogen gas flow of (a) 130 sccm, (b) 150 sccm and (c) 180 sccm. All the scale bars represent 2.5 µm. (d) XRD patterns of the...
Ngày tải lên: 16/03/2014, 15:10
An experimental study on the thermal valorization of municipal and animal wastes
... investigating the thermal behavior of PW and RDF under non-isothermal thermogravimetric conditions and at developing kinetic models for the pyrolysis and combustion of these fuels, for which there ... formation of char [13]. Part of the decomposition above 700°C (not shown on the graph) was attributed to the calcium carbonate of the sample, the content of which...
Ngày tải lên: 05/09/2013, 15:28
Tài liệu Báo cáo khoa học: Unfolding and aggregation during the thermal denaturation of streptokinase pptx
... number of two-state transitions. In these fittings the heat capacity change, DC p ,forthe unfolding of each domain was fixed by using the values obtained from the analysis of the C p curves of the corresponding ... character- ization of the thermally induced aggregation of SK using a variety of techniques. The results provide us with some of the properties of t...
Ngày tải lên: 21/02/2014, 03:20
Báo cáo " Study on the characteristics and catalytic properties of Pt/SBA-15 in the selective oxidation of D-Glucose " potx
... very small nano sizes was dispersed inside the pore of support material. 3.3. Catalytic activities of Pt/SBA-15 in the oxidation of D-glucose The results of the oxidation of D-glucose carried ... clusters outside the pore channels of support material. 4. Conclusions In conclusion, SBA-15 was successfully prepared by hydrothermal synthesis using Pluronic P123 as...
Ngày tải lên: 05/03/2014, 11:21
Báo cáo khoa học: Specific cleavage of the DNase-I binding loop dramatically decreases the thermal stability of actin pot
... transitions of the nucleo- tide-binding cleft. For this purpose, we studied the effects of the D-loop cleavage on the thermal unfold- ing of G- and F-actin. Previously, the thermal unfold- ing of ... less thermostable than noncleaved Mg-F-actin, and a decrease in the thermal stability is even more pronounced than in the case of G-actin. The thermal transition...
Ngày tải lên: 06/03/2014, 22:21
Temperature dependence of morphology and diameter of silicon nanowires synthesized by laser ablation
... length. The other, the rest of the branch, was a complete amorphous silicon oxide. Fig. 3 is the HRTEM image of the interface (arrow in Fig. 1d) of two kinds of structures along the axis of the branch. ... was detectable on the tip. Even though the metal silicide was not found, it is be- lieved that the function of these Si tips of the nanowires is anal...
Ngày tải lên: 16/03/2014, 15:09
Dimensional evolution of silicon nanowires synthesized by au–si island catalyzed chemical vapor deposition
... liquid-droplet catalysis during the growth of the Si- NWs. The Si- NWs are grown by exposing the substrates with Au Si islands to a mixture of gasses SiH 4 and H 2 . The growth temperatures and the pressures ... for the NW growth of various materials [3]. In metal island-catalyzed growth of Si- NWs via the VLS processes, the diameter and alignment of the...
Ngày tải lên: 16/03/2014, 15:15