0

chemical vapor depositiontechnology characterization

Tài liệu Metal Organic Chemical Vapor Deposition: Technology and Equipment docx

Tài liệu Metal Organic Chemical Vapor Deposition: Technology and Equipment docx

Tự động hóa

... short stainless steel cell that contains the flowing chemical and carrier gas to measure the vapor phase concentration of anorganometallic chemical. Ultrasonic transducers are provided at oppositeends ... 68:111 (1984)162 Thin-Film Deposition Processes and TechnologiesTable 2. (Cont’d.) Chemical Abbrev- Formula Melt- Vapor Useiation ing pressureTemp (P in Torr,(°C) T in °K)ArsenicDiethylarsenic ... abbreviations for sources throughout thischapter. Table 2 in Sec. 3.1 provides the abbreviation, chemical name, and chemical formula for most of the commercially available and usefulorganometallics.This...
  • 53
  • 562
  • 0
Enhancement-Mode Metal Organic Chemical Vapor Deposition-Grown ZnO Thin-Film Transistors on Glass Substrates Using N2O Plasma Treatment docx

Enhancement-Mode Metal Organic Chemical Vapor Deposition-Grown ZnO Thin-Film Transistors on Glass Substrates Using N2O Plasma Treatment docx

Tự động hóa

... glass substrate with a metal organic chemical vapor deposition (MOCVD)-grown undoped zincoxide (ZnO) film as a channel layer and plasma-enhanced chemical vapor deposition (PECVD)-grown silicon ... et al.04DF20-5# 2010 The Japan Society of Applied PhysicsEnhancement-Mode Metal Organic Chemical Vapor Deposition-GrownZnO Thin-Film Transistors on Glass Substrates Using N2O Plasma TreatmentKariyadan ... epitaxy,2)sputtering,3–10)pulsedlaser deposition,11–15)atomic layer deposition,16–21)andmetal organic chemical vapor deposition (MOCVD).22–24)In principle, MOCVD offers the advantages of goodreproducibility...
  • 7
  • 438
  • 0
Nitrogen doped ZnOfilm grown by the plasma-assisted metal-organic chemical vapor deposition pot

Nitrogen doped ZnOfilm grown by the plasma-assisted metal-organic chemical vapor deposition pot

Tự động hóa

... bubbler and saturated withDEZn vapor to the reactor. N2was used as thecarrier gas. The substrate was cleaned in acetone,methanol, deionized water, and then chemical etched in H2SO4:H3PO4=3 ... Growth 226 (2001) 123–129Nitrogen doped ZnO film grown by the plasma-assistedmetal-organic chemical vapor depositionXinqiang Wanga,*, Shuren Yanga, Jinzhong Wanga, Mingtao Lia,Xiuying ... SchieberAbstractNitrogen doped and non-doped ZnO films are grown by the plasma-assisted metal-organic chemical vapor deposition(MOCVD) on sapphire. X-ray diffraction spectra show that they are both strongly...
  • 7
  • 407
  • 0
Báo cáo khoa học: Thiaminylated adenine nucleotides Chemical synthesis, structural characterization and natural occurrence potx

Báo cáo khoa học: Thiaminylated adenine nucleotides Chemical synthesis, structural characterization and natural occurrence potx

Báo cáo khoa học

... by HPLC using UV and,after derivatization, fluorescence detection (Fig. 4).Physicochemical characterization of chemicallysynthesized AThDP and AThTP using MS, NMR,fluorometry and molecular modelingBoth ... better characterize these compounds.Here, we report the chemical synthesis of AThTPand AThDP, their purification and their physico- chemical characterization using positive ESI-MS,1H-,13C- and31P-NMR ... Fre´de´rich et al. Characterization of thiamine adenine nucleotidesFEBS Journal 276 (2009) 3256–3268 ª 2009 The Authors Journal compilation ª 2009 FEBS 3261Thiaminylated adenine nucleotidesChemical...
  • 13
  • 297
  • 0
Deposition of carbon nanotubes on si nanowires by chemical vapor deposition

Deposition of carbon nanotubes on si nanowires by chemical vapor deposition

Vật lý

... with a sheath of CNTs.Y.F. Zhang et al. / Chemical Physics Letters 330 (2000) 48±52 51Deposition of carbon nanotubes on Si nanowires by chemical vapor depositionY.F. Zhang, Y.H. Tang, Y. Zhang, ... Chee Avenue, Kowloon, Hong Kong, ChinaReceived 19 July 2000AbstractBy using a hot ®lament chemical vapor deposition (HFCVD) method, deposition of carbon on Si nanowires (SiNWs) has been studied. ... in transversal. Here, we report the syn-thesis of this composite material by a hot ®lament chemical vapor deposition (HFCVD) method.The results provided a way to make CNTs coaton SiNWs or SiC...
  • 5
  • 456
  • 2
Iron catalytic growth of prism shaped single crystal silicon nanowires by chemical vapor deposition of silane

Iron catalytic growth of prism shaped single crystal silicon nanowires by chemical vapor deposition of silane

Vật lý

... thermal evaporation deposition [8], chemical vapor deposition (CVD) [9–11], and supercritical fluid–liquid–solid (SFLS) synthesis [12]. The most popular growthmechanism for SiNWs is vapor liquid–solid ... 2005AbstractSingle-crystal silicon nanowires with the prism structures were synthesized by chemical vapor deposition of SiH4gas at 450 °C.Fe particles which were located at the tip of the ... Iron-catalytic growth of prism-shaped single-crystal siliconnanowires by chemical vapor deposition of silaneChen Lia,b,1, Chi Gua,b,1, Zengtao Liua,b, Jinxiao Mic,...
  • 5
  • 425
  • 0
Silicon quantum wires arrays synthesized by chemical vapor deposition and its micro structural properties

Silicon quantum wires arrays synthesized by chemical vapor deposition and its micro structural properties

Vật lý

... (inset:Fowler–Nordheim plot of SiNWs arrays).546 M. Lu et al. / Chemical Physics Letters 374 (2003) 542–547Silicon quantum-wires arrays synthesized by chemical vapor deposition and its micro-structural propertiesM. ... May 2003AbstractWell-aligned arrays of silicon nanowires (SiNWs) have been synthesized by a chemical vapor deposition (CVD)template method without catalyst. The micro-structures of the SiNWs ... prepared vertically aligned a-SiNWs on alarge scale on silicon oxide substrate by thermal chemical vapor deposition (CVD). Metal catalystis an essential element in these methods, which isrequired...
  • 6
  • 390
  • 0
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

Vật lý

... energetics in the vapor liquid–solid processes.r 2006 Elsevier B.V. All rights reserved.PACS: 66.30.h; 68.70.w; 81.15.GhKeywords: Si nanowires (Si-NWs); Au–Si alloy droplets; VLS; Chemical vapor deposition; ... 1) and (1 1 1) substratessynthesized using nanoscale Au–Si island-catalyzed rapid thermal chemical vapor deposition. The Au–Si islands are formed by Au thinfilm (1.2–3.0 nm) deposition at room ... (2007) 153–157Dimensional evolution of silicon nanowires synthesized byAu–Si island-catalyzed chemical vapor depositionD.W. Kwak, H.Y. Cho, W C. YangÃDepartment of Physics and Quantum-Functional...
  • 5
  • 435
  • 0
Photoluminescence of silicon nanowires obtained by epitaxial chemical vapor deposition

Photoluminescence of silicon nanowires obtained by epitaxial chemical vapor deposition

Vật lý

... photoluminescence measurements of silicon nanowires (SiNWs) obtained by the chemical vapor deposition method with a copper-catalyzed vapor liquid–solid mechanism. Thenanowires have a typical diameter ... Photoluminescence of silicon nanowires obtained by epitaxial chemical vapor depositionO. Demichela,Ã, F. Oehlera, V. Calvoa,P.Noe´a, N. Pauca, P. Gentilea, ... preparationThe SiNWs are obtained by the CVD method using a vapor liquid–solid mechanism. A thin copper layer (typically 5 nm)is evaporated on a silicon substrate. This layer is then heated...
  • 3
  • 307
  • 0
plasma - enhanced chemical vapor deposition carbon nanotubes for ethanol gas sensors

plasma - enhanced chemical vapor deposition carbon nanotubes for ethanol gas sensors

Vật lý

... plasma-enhanced chemical vapor depositionfor detecting the presence of ethanol vapor. The conductance of the CNTs decreases when the sensors aresuccessively exposed to ethanol vapor at room temperature. ... 35 s.476 C T. Hu et al. / Diamond & Related Materials 18 (2009) 472–477Plasma-enhanced chemical vapor deposition carbon nanotubes for ethanol gas sensorsChia-Te Hua, Chun-Kuo Liua, Meng-Wen ... whenthey are exposed to ethanol gas.2. ExperimentalIn this work, microwave plasma enhanced chemical vapor deposition (MPECVD) was used to synthesize the carbon nanotubes.An iron-containing compound...
  • 6
  • 391
  • 0
Tài liệu Báo cáo khoa học: Physico-chemical characterization and synthesis of neuronally active a-conotoxins docx

Tài liệu Báo cáo khoa học: Physico-chemical characterization and synthesis of neuronally active a-conotoxins docx

Báo cáo khoa học

... amounts,further characterization may be warranted. Thoroughassessment of novel a-conotoxin folds may generate import-ant structure-function information.In conclusion, the physico -chemical characterization ... accession numbers P50983, Q816R5.Ó FEBS 2004 Characterization and synthesis of a-conotoxins (Eur. J. Biochem. 271) 2297MINIREVIEWPhysico -chemical characterization and synthesis of neuronally ... P.F.(2000) Conotoxin TVIIA, a novel peptide from the venom ofConus tulipa 1. Isolation, characterization and chemical synthesis.Eur. J. Biochem. 267, 4642–4648.29. Hauschka, P.V., Mullen, E.A.,...
  • 11
  • 554
  • 0
Aircraft measurements over Europe of an air pollution plume from Southeast Asia – aerosol and chemical characterization pot

Aircraft measurements over Europe of an air pollution plume from Southeast Asia – aerosol and chemical characterization pot

Điện - Điện tử

... PhysicsAircraft measurements over Europe of an air pollution plume fromSoutheast Asia – aerosol and chemical characterization A. Stohl1, C. Forster1, 2, H. Huntrieser2, H. Mannstein2, W. W. McMillan3, ... predicted locationsand, thus, the measurements taken allowed the first detailed characterization of the aerosol content and chemical com-position of an anthropogenic pollution plume after a nearlyhemispheric ... suite ofinstruments for trace gas and aerosol measurements, whichallowed a detailed characterization of the chemical composi-tion and aerosol content of the Asian pollution plume. Theplume was...
  • 25
  • 502
  • 0
Báo cáo khoa học: Total chemical synthesis and NMR characterization of the glycopeptide tx5a, a heavily post-translationally modified conotoxin, reveals that the glycan structure is a-D-Gal-(1fi3)-a-D-GalNAc pot

Báo cáo khoa học: Total chemical synthesis and NMR characterization of the glycopeptide tx5a, a heavily post-translationally modified conotoxin, reveals that the glycan structure is a-D-Gal-(1fi3)-a-D-GalNAc pot

Báo cáo khoa học

... Time (min)UV Absorption (210 nm)Chemically reduced Native tx5aChemically reduced hydrophilic tx5aFig. 3. Reverse-phase HPLC chromatography of a coinjection ofchemically reduced native tx5a ... correspondingproton (1H) chemical shifts in 99.96% D2O at 285.5 K (relative tosodium 2,2-dimethyl-2-silapentane-5-sulfonate).Proton (1H) Chemical shift (p.p.m.) Proton (1H) Chemical shift (p.p.m.)GalNAc:H1 ... 2004 Glycopeptide tx5a synthesis and NMR analysis (Eur. J. Biochem. 271) 4941Total chemical synthesis and NMR characterization of the glycopeptidetx5a, a heavily post-translationally modified...
  • 11
  • 563
  • 0

Xem thêm