Sulfide assisted growth of silicon nano wires by thermal evaporation of sulfur powders
Sulfide assisted growth of silicon nano wires by thermal evaporation of sulfur powders
... 24 (2004) 278–281 Sulfide -assisted growth of silicon nano- wires by thermal evaporation of sulfur powders Junjie Niu a , Jian Sha a,b , Deren Yang a, * a State Key Lab of Silicon Materials, Zhejiang ... 2004 Abstract Silicon nanowires (SiNWs) with a diameter of B20 nm were synthesized by the thermal evaporation of sulfur powders on silicon wafers. T...
Ngày tải lên: 16/03/2014, 15:21
Temperature-Controlled Growth of Silicon-Based Nanostructures by Thermal Evaporation of SiO Powders
... to play a dominant role in the nucleation and growth of Si nanowires. The growth mechanism of Si nanowires from thermal evaporation of SiO powders, however, is not fully understood. Thus, more ... Temperature-Controlled Growth of Silicon- Based Nanostructures by Thermal Evaporation of SiO Powders Z. W. Pan, † Z. R. Dai, † L. Xu, ‡ S. T. Lee, ‡, * and Z. L. Wang*...
Ngày tải lên: 16/03/2014, 15:30
Large scale synthesis, characterization and photoluminescence properties of amorphous silica nanowires by thermal evaporation of silicon monoxide
... 2009 PACS: 61.46.–w 81.07.–b Keywords: Silicon monoxide Silicon oxide nanowires Thermal evaporation Photoluminescence abstract A single step non-catalytic process based on thermal evaporation of silicon monoxide has ... clusters consisting of high density of nanowires. The magnified view of a single cluster is depicted in the inset of Fig. 2(d). These observations sugge...
Ngày tải lên: 16/03/2014, 15:18
Silicon nanowires fabricated by thermal evaporation of silicon monoxide
... crystalline silicon nanowires (SiNWs) with a diameter of ∼30 nm and length of tens of micrometers on Al 2 O 3 templates and silicon wafers were synthesized by the thermal evaporation of silicon monoxide ... 134 www.elsevier.com/locate/physe Silicon nanowires fabricated by thermal evaporation of silicon monoxide Junjie Niu a , Jian Sha a; b , Deren Yang a;∗ a St...
Ngày tải lên: 16/03/2014, 15:21
Morphology and growth mechanism study of self assembled silicon nanowires synthesized by thermal evaporation
... Morphology and growth mechanism 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 ... analysis of the growth mechanism of semi-conductor nanowires, Lee et al. [18] proposed an oxide -assisted model by which the SiNWs were formed in two steps. Firstly, amorphous nano...
Ngày tải lên: 16/03/2014, 15:06
Electrical conductivity measurement of silicon wire prepared by CVD
... curve measured only by contacting the wire with the probes could be explained by the resistivity in a series of silicon and dielectric thin oxide films formed on the silicon nanowires. Ó 2008 Elsevier ... 4-terminal and 2-terminal methods. 3. Results 3.1. Silicon nanowires Fig. 1 shows the morphology of SiNWs formed on a silicon wa- fer at 569 K. The size of the wires range...
Ngày tải lên: 16/03/2014, 15:05
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 ... function of these Si tips of the nanowires is analogous to that of the metal silicide catalyst in VLS growth process [15,16]. Namely, melt Si nanoparticles may act...
Ngày tải lên: 16/03/2014, 15:09
Dimensional evolution of silicon nanowires synthesized by au–si island catalyzed chemical vapor deposition
... evolution of silicon nanowires (Si-NWs) on Si (0 0 1) and (1 1 1) substrates synthesized using nanoscale Au–Si island-catalyzed rapid thermal chemical vapor deposition. The Au–Si islands are formed by ... control of the dimensions and alignments of the NWs is required to employ them as elements of nanodevices. Vapor–liquid–solid (VLS) growth method has been widely employed for...
Ngày tải lên: 16/03/2014, 15:15
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 ... 20 0-nm-thick silicon on insulator thin films [8–10]. Simulation of the emission spectrum of an ehp by a convolu- tion product of the density of...
Ngày tải lên: 16/03/2014, 15:19
Tiny silicon nano wires synthesis on silicon wafers
... 2004 Abstract Tiny silicon nano- wires (SiNWs) were synthesized on silicon wafers by the chemical vapor deposition (CVD) technique. The morphology and structure of tiny SiNWs were analyzed by means of transmission ... the growth character- istics [17] diameter minimum [18,19]. Recently Hu et al. fabricated the silicon nanowires with diameters of 10–30 nm sub-grow on the s...
Ngày tải lên: 16/03/2014, 15:22