Tiny silicon nano wires synthesis on silicon wafers
Tiny silicon nano wires synthesis on silicon wafers
... of the peak should contribute to the thin SiO x sheath out of the silicon nano- wire and the defects which are contained among the silicon nano- wire. 4. Conclusions In conclusion, we have synthesized ... 2004 Available online 11 August 2004 Abstract Tiny silicon nano- wires (SiNWs) were synthesized on silicon wafers by the chemical vapor deposition (CVD) technique. The mor...
Ngày tải lên: 16/03/2014, 15:22
Tiny sio2 nano wires synthesized on si (1 1 1) wafer
... 81.15.Gh Keywords: Tiny SiO 2 nano- wires; Synthesis; PL spectrum 1. Introduction Quasi-one dimensional nano- materials have stim- ulated much interest for their potential applications in nano- electronics, ... with an EDX. 3. Results and discussion Top view of the large-scale entangled tiny nano- wires synthesized on the silicon substrates is shown in Fig. 1. The as-grown na...
Ngày tải lên: 16/03/2014, 15:22
Sulfide assisted growth of silicon nano wires by thermal evaporation of sulfur powders
... reserved. PACS: 71.55.Cn; 81.05.Ys Keywords: Silicon; Nanowires; Sulfide assisted 1. Introduction Recently the one-dimensional nano- materials, especially silicon nanowires (SiNWs), have stimu- lated much ... May 2004 Available online 10 July 2004 Abstract Silicon nanowires (SiNWs) with a diameter of B20 nm were synthesized by the thermal evaporation of sulfur powders on silicon waf...
Ngày tải lên: 16/03/2014, 15:21
Self aligned silicon quantum wires on ag(1 1 0)
... publication 21 October 2004 Available online 13 December 2004 Abstract Upon deposition of silicon onto the (1 1 0) surface of a silver crystal we have grown massively parallel one-dimen- sional Si nanowires. ... electron diffraction confirms the massively parallel assembly of these self-organized nanowires. Photoemission reveals striking quantized states dispersing only along the length of th...
Ngày tải lên: 16/03/2014, 15:36
Carbon assisted synthesis of silicon nanowires
... India Received 18 September 2003 Published online: 4 November 2003 Abstract Carbon-assisted synthesis of silicon nanowires has been accomplished with silicon powders as well as solid sub- strates. ... of silicon. The crystallinity of the nanowires is con- siderably higher when only argon was used instead of a mixture of argon and hydrogen. The role of hydrogen in promoting the amorphiz...
Ngày tải lên: 16/03/2014, 15:04
Effects of ambient pressure on silicon nanowire growth
... Introduction Synthesis of silicon nanowires (SiNWs) by SiO sublimation is a simple and ecient method re- cently reported for the preparation of quasi-one- dimensional semiconductor wires in bulk ... University of Hong Kong, Hong Kong, People's Republic of China Received 25 September 2000; in ®nal form 9 November 2000 Abstract Growth of silicon nanowires (SiNWs) by thermal evapor...
Ngày tải lên: 16/03/2014, 15:05
Oriented silicon nanowires on silicon substrates from oxide assisted growth and gold catalysts
... materials. Silicon nanowires (SiNWs) are a particularly important 1D nanomaterial because silicon is most widely used in electronic indus- try. Besides excellent electronic property, nanoscale sili- con ... Oriented silicon nanowires on silicon substrates from oxide-assisted growth and gold catalysts Yuan Yao a , Fanghua Li b , Shuit-Tong Lee a, * a Center of Super-Diamond and Advan...
Ngày tải lên: 16/03/2014, 15:06
Silicon quantum wires arrays synthesized by chemical vapor deposition and its micro structural properties
... electron microscope). For lower angle X-ray diffraction (XRD) study, the silicon films on both surfaces of the alumina membrane were removed. The sample was transferred on to the standard silicon ... tem- plate-confined growth demonstrated to be an efficient approach to the production of highly or- dered and isolated nanowires arrays over large areas. Second, it becomes possible to extend...
Ngày tải lên: 16/03/2014, 15:08
Synthesis of silicon nanowires after hydrogen radical treatment
... 2008 Available online 24 May 20 08 Keywords: Silicon nanowires Hydrogen radicals Metal oxide film Nanoparticles Silicon nanowires (SiNWs) were synthesized through the hydrogen radical-assisted deposition ... rights reserved. 1. Introduction Since the initial discovery of carbon nanotubes [1], one-dimen- sional (1D) nanostructures, including the well-known nanotubes and nanowires, have been...
Ngày tải lên: 16/03/2014, 15:13
A new mechanism for modulation of schottky barrier heights on silicon nanowires
... separate electron and hole injection. The sample configuration, contact geometry and charge distribution are demonstrated in Fig. 5. The preparation started from an SOI wafer with a silicon film thickness ... Schottky contacts on the end surfa ces of silicon wires were prepared on SOI material by electron beam lithography. By using the substrate as a back-gate, the potential distribut...
Ngày tải lên: 16/03/2014, 15:14