Periodically twinned sic nanowires
WebJun 30, 2006 · Periodically Twinned Nanowires and Polytypic Nanobelts of ZnS: The Role of Mass Diffusion in Vapor−Liquid−Solid Growth Yufeng Hao Guowen Meng Zhong Lin Wang Changhui Ye Lide Zhang View Author Information Cite This:Nano Lett. 2006681650-1655 … Webβ-SiC powders were synthesized by a microwave heating method at 1150℃ for 30 min under Ar atomosphere using silicon powders and phenolic resin as raw materials, and nickel nitrate as catalyst precursor. The effects of temperature, catalyst content and holding time on the formation of SiC were investigated. XRD, SEM and TEM were used to ...
Periodically twinned sic nanowires
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WebCiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Abstract Nanoditches from selective etching of periodically twinned SiC nanowires were employed to hinder the migration and coalescence of Pd nanoparticles supported on the nanowires, and thus to improve their catalytic stability for total combustion of methane. The results show … WebApr 21, 2008 · Twinning has been recognized to be an important microstructural defect in nanoscale materials. Periodically twinned SiC nanowires were largely synthesized by the carbothermal reduction of a carbonaceous silica xerogel prepared from tetraethoxysilane …
WebThe twinned β-SiC nanowires, with a hexagonal cross section, a diameter of 50–300 nm and a length of tens to hundreds of micrometers, feature a zigzag arrangement of periodically twinned segments with a rather uniform thickness along the entire growth length. http://www.jim.org.cn/EN/10.15541/jim20160541
WebSep 2, 2004 · The periodicity of the alternating twins has a linear dependence on the diameter of the nanowires. Sharp excitonic peaks dominating the low‐temperature photoluminescence spectrum of the nanowires reveal the high quality of their electronic … WebApr 21, 2008 · Twinning has been recognized to be an important microstructural defect in nanoscale materials. Periodically twinned SiC nanowires were largely synthesized by the carbothermal reduction of a carbonaceous silica xerogel prepared from …
WebSep 17, 2008 · The U.S. Department of Energy's Office of Scientific and Technical Information
WebIn this letter, microscale, modulated mass diffusion scenarios are exhibited through the synthesis of two types of ZnS nanostructures in an Au-catalyzed VLS process: periodically twinned nanowires originated from periodical fluctuation between diffusion rate inside … marta moreno soroWebSiC nanowires (NWs) with diameters of 20–200 nm and lengths from tens to hundreds of micrometers have been synthesized by the carbothermal reduction of colloidal silica. The morphology and microstructure of NWs have been studied in … data driven marketing companiesWebNanoditches from selective etching of periodically twinned SiC nanowires were employed to hinder the migration and coalescence of Pd nanoparticles supported on the nanowires, and thus to... data driven intelligence technologyWebFeb 3, 2024 · Periodically twinned SiC nanowires were largely prepd. by the carbothermal redn. of a carbonaceous silica xerogel prepd. from tetraethoxysilane and biphenyl with iron nitrate as an additive. The twinned β-SiC nanowires, with a hexagonal cross section, a diam. of 50-300 nm and a length of tens to hundreds of micrometers, feature a zigzag ... data driven mechanicsWebSep 15, 2013 · For instance, Wang et al. [12] synthesized periodically twinned SiC nanowires by the carbonthermal reduction of a carbonaceous silica xerogel at 1300 °C. Wei et al. [13] reported the growth of necklace-like SiC nanowires via the reaction of SiO 2 and graphite powders without any catalyst at 1400 °C. marta morgan retirementWebNov 15, 2009 · Nanoditches from selective etching of periodically twinned SiC nanowires were employed to hinder the migration and coalescence of Pd nanoparticles supported on the nanowires, and thus to improve their catalytic stability for total combustion of methane. The results show that the etched Pd/SiC catalyst can keep the methane conversion of … data driven insurancemarta motorcycles