Dimensional evolution of silicon nanowires synthesized by au–si island catalyzed chemical vapor deposition
Dimensional evolution of silicon nanowires synthesized by au–si island catalyzed chemical vapor deposition
... E 37 (2007) 153–157 Dimensional evolution of silicon nanowires synthesized by Au–Si island- catalyzed chemical vapor deposition D.W. Kwak, H.Y. Cho, W C. Yang à Department of Physics and Quantum-Functional ... morphological evolution of silicon nanowires (Si-NWs) on Si (0 0 1) and (1 1 1) substrates synthesized using nanoscale Au–Si island- catalyzed...
Ngày tải lên: 16/03/2014, 15:15
Temperature dependence of morphology and diameter of silicon nanowires synthesized by laser ablation
... oxide exceeded the growth rate of crystal silicon, outer layer of silicon oxide will surround the crystal sil- icon. As a result, the growth of crystal silicon ceased and silicon oxide of outer layer coalesced together ... The peculiar feature of the branch suggests that there may exist a competitive growth between crystal silicon core and outer layer of silicon oxide....
Ngày tải lên: 16/03/2014, 15:09
Morphology and growth mechanism study of self assembled silicon nanowires synthesized by thermal evaporation
... study of self-assembled silicon nanowires synthesized by thermal evaporation Z. Zhang 1 , X.H. Fan, L. Xu, C.S. Lee, S.T. Lee * Center of Super-Diamond and Advanced Films & Department of Physics ... ther- mal evaporation [14±17] are two methods nor- mally used for the synthesis of SiNWs. The key point in these two methods is the formation of a sucient amount of silic...
Ngày tải lên: 16/03/2014, 15:06
Characterization of tin catalyzed silicon nanowires synthesized by the hydrogen radical assisted deposition method
... Characterization of Tin -catalyzed silicon nanowires synthesized by the hydrogen radical-assisted deposition method Minsung Jeon ⁎ , Hisashi Uchiyama, Koichi Kamisako Department of Electronic and ... online 9 October 2008 Keywords: Tin catalyst Silicon nanowires Hydrogen radicals VLS mechanism Phase diagram Tin -catalyzed silicon nanowires (SiNWs) were synthesized at...
Ngày tải lên: 16/03/2014, 15:10
Photoluminescence of silicon nanowires obtained by epitaxial chemical vapor deposition
... 2008 PACS: 71.35.Ee 78.55.Ae 78.67.Àn Keywords: Nanowires Silicon Photoluminescence Exciton Electron-hole-plasma abstract We have carried out photoluminescence measurements of silicon nanowires (SiNWs) obtained by the chemical vapor deposition ... 20 0-nm-thick silicon on insulator thin films [8–10]. Simulation of the emission spectrum of an ehp by a convolu- tion pro...
Ngày tải lên: 16/03/2014, 15:19
structure of alumina nanowires synthesized by chemical etching
... structure of alumina nanowires (ANWs) synthesized by the chemical etching of an anodic alumina membrane (AAM). The AAM was prepared by the two-step anodization method followed by the lift-off process. ... etching rates of the various oxide layers of the AAM, as determined by their anion impurity concentration. In this work, we report the structure of ANWs synthesized...
Ngày tải lên: 20/03/2014, 13:08
Synthesis and photoluminescence property of silicon carbon nanowires synthesized by the thermal evaporation method
... Schematic illustration of synthesized b-SiC nanowires. Fig. 2. SEM image of the nanoporous AAO template surface. Fig. 3. SEM image of b-SiC nanowires synthesized by thermal evaporation: (a) with ... than those of SiC whiskers and bulk SiC. A variety of methods on the synthesis of SiC nanowires have been developed, including laser ablation [6,7], chemical vapor dep...
Ngày tải lên: 16/03/2014, 15:21
Growth kinetics of silicon nanowires by platinum assisted vapour–liquid–solid mechanism
... HRTEM image of Si nanowire using Au. (d) HRTEM image of Si nanowire using Pt. Both were single crystal. (e) EDS line mapping of Si nanowires using Au catalyst. (f) EDS line mapping of Si nanowires ... Au, without loss of components by chemical reaction or evaporation. Thus, it has been demonstrated that Pt is a stable catalyst for the VLS mechanism. The growth rate of Si...
Ngày tải lên: 16/03/2014, 15:05
Iron catalytic growth of prism shaped single crystal silicon nanowires by chemical vapor deposition of silane
... 2005 Abstract Single-crystal silicon nanowires with the prism structures were synthesized by chemical vapor deposition of SiH 4 gas at 450 °C. Fe particles which were located at the tip of the CNTs were ... Iron-catalytic growth of prism-shaped single-crystal silicon nanowires by chemical vapor deposition of silane Chen Li a,b,1 , Chi Gu a,b,1 , Zengtao Liu a...
Ngày tải lên: 16/03/2014, 15:06
Si nanowires synthesized by laser ablation of mixed sic and sio2 powders
... typical morphology of the materials in the yellow web. It can be seen that the product consists of nanowires with an average diameter of 14 nm. Most of the SiNWs are consist of straight and smoothly ... morphology is a common characteristic of wx various nanowires, such as SiC nanowires 15 and wx carbon nanowires 16 . Although the nanowires have a high ratio of length t...
Ngày tải lên: 16/03/2014, 15:08