chemical vapor depositiontechnology characterization
Tài liệu Metal Organic Chemical Vapor Deposition: Technology and Equipment docx
Ngày tải lên :
14/02/2014, 03:20
... short stainless steel cell that contains the flowing
chemical and carrier gas to measure the vapor phase concentration of an
organometallic chemical. Ultrasonic transducers are provided at opposite
ends ... 68:111 (1984)
162 Thin-Film Deposition Processes and Technologies
Table 2. (Cont’d.)
Chemical Abbrev- Formula Melt- Vapor Use
iation ing pressure
Temp (P in Torr,
(°C) T in °K)
Arsenic
Diethylarsenic ... abbreviations for sources throughout this
chapter. Table 2 in Sec. 3.1 provides the abbreviation, chemical name, and
chemical formula for most of the commercially available and useful
organometallics.
This...
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Enhancement-Mode Metal Organic Chemical Vapor Deposition-Grown ZnO Thin-Film Transistors on Glass Substrates Using N2O Plasma Treatment docx
Ngày tải lên :
05/03/2014, 21:20
... glass substrate with a metal organic chemical vapor deposition (MOCVD)-grown undoped zinc
oxide (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 Physics
Enhancement-Mode Metal Organic Chemical Vapor Deposition-Grown
ZnO Thin-Film Transistors on Glass Substrates Using N
2
O Plasma Treatment
Kariyadan ... epitaxy,
2)
sputtering,
3–10)
pulsed
laser deposition,
11–15)
atomic layer deposition,
16–21)
and
metal organic chemical vapor deposition (MOCVD).
22–24)
In principle, MOCVD offers the advantages of good
reproducibility...
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Nitrogen doped ZnOfilm grown by the plasma-assisted metal-organic chemical vapor deposition pot
Ngày tải lên :
05/03/2014, 21:20
... bubbler and saturated with
DEZn vapor to the reactor. N
2
was used as the
carrier gas. The substrate was cleaned in acetone,
methanol, deionized water, and then chemical
etched in H
2
SO
4
:H
3
PO
4
=3 ... Growth 226 (2001) 123–129
Nitrogen doped ZnO film grown by the plasma-assisted
metal-organic chemical vapor deposition
Xinqiang Wang
a,
*, Shuren Yang
a
, Jinzhong Wang
a
, Mingtao Li
a
,
Xiuying ... Schieber
Abstract
Nitrogen 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...
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Báo cáo khoa học: Thiaminylated adenine nucleotides Chemical synthesis, structural characterization and natural occurrence potx
Ngày tải lên :
07/03/2014, 01:20
... by HPLC using UV and,
after derivatization, fluorescence detection (Fig. 4).
Physicochemical characterization of chemically
synthesized AThDP and AThTP using MS, NMR,
fluorometry and molecular modeling
Both ... better characterize these compounds.
Here, we report the chemical synthesis of AThTP
and AThDP, their purification and their physico-
chemical characterization using positive ESI-MS,
1
H-,
13
C- and
31
P-NMR ... Fre
´
de
´
rich et al. Characterization of thiamine adenine nucleotides
FEBS Journal 276 (2009) 3256–3268 ª 2009 The Authors Journal compilation ª 2009 FEBS 3261
Thiaminylated adenine nucleotides
Chemical...
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Deposition of carbon nanotubes on si nanowires by chemical vapor deposition
Ngày tải lên :
16/03/2014, 15:04
... with a sheath of CNTs.
Y.F. Zhang et al. / Chemical Physics Letters 330 (2000) 48±52 51
Deposition of carbon nanotubes on Si nanowires by chemical
vapor deposition
Y.F. Zhang, Y.H. Tang, Y. Zhang, ... Chee Avenue, Kowloon, Hong Kong, China
Received 19 July 2000
Abstract
By using a hot ®lament chemical vapor deposition (HFCVD) method, deposition of carbon on Si nanowires (Si
NWs) 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 coat
on SiNWs or SiC...
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Iron catalytic growth of prism shaped single crystal silicon nanowires by chemical vapor deposition of silane
Ngày tải lên :
16/03/2014, 15:06
... thermal evaporation deposition [8], chemical vapor
deposition (CVD) [9–11], and supercritical fluid–liquid–
solid (SFLS) synthesis [12]. The most popular growth
mechanism for SiNWs is vapor liquid–solid ... 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 ... 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,b
, Jinxiao Mi
c
,...
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Silicon quantum wires arrays synthesized by chemical vapor deposition and its micro structural properties
Ngày tải lên :
16/03/2014, 15:08
... (inset:
Fowler–Nordheim plot of SiNWs arrays).
546 M. Lu et al. / Chemical Physics Letters 374 (2003) 542–547
Silicon quantum-wires arrays synthesized by chemical
vapor deposition and its micro-structural properties
M. ... May 2003
Abstract
Well-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 a
large scale on silicon oxide substrate by thermal
chemical vapor deposition (CVD). Metal catalyst
is an essential element in these methods, which is
required...
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Dimensional evolution of silicon nanowires synthesized by au–si island catalyzed chemical vapor deposition
Ngày tải lên :
16/03/2014, 15:15
... energetics in the vapor liquid–solid processes.
r 2006 Elsevier B.V. All rights reserved.
PACS: 66.30.h; 68.70.w; 81.15.Gh
Keywords: Si nanowires (Si-NWs); Au–Si alloy droplets; VLS; Chemical vapor deposition; ... 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 Au thin
film (1.2–3.0 nm) deposition at room ... (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
Ã
Department of Physics and Quantum-Functional...
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Photoluminescence of silicon nanowires obtained by epitaxial chemical vapor deposition
Ngày tải lên :
16/03/2014, 15:19
... photoluminescence measurements of silicon nanowires (SiNWs) obtained by the
chemical vapor deposition method with a copper-catalyzed vapor liquid–solid mechanism. The
nanowires have a typical diameter ... Photoluminescence of silicon nanowires obtained by epitaxial
chemical vapor deposition
O. Demichel
a,
Ã
, F. Oehler
a
, V. Calvo
a
,P.Noe
´
a
, N. Pauc
a
, P. Gentile
a
, ... preparation
The 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...
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plasma - enhanced chemical vapor deposition carbon nanotubes for ethanol gas sensors
Ngày tải lên :
20/03/2014, 13:06
... plasma-enhanced chemical vapor deposition
for detecting the presence of ethanol vapor. The conductance of the CNTs decreases when the sensors are
successively exposed to ethanol vapor at room temperature. ... 35 s.
476 C T. Hu et al. / Diamond & Related Materials 18 (2009) 472–477
Plasma-enhanced chemical vapor deposition carbon nanotubes for ethanol gas sensors
Chia-Te Hu
a
, Chun-Kuo Liu
a
, Meng-Wen ... when
they are exposed to ethanol gas.
2. Experimental
In this work, microwave plasma enhanced chemical vapor
deposition (MPECVD) was used to synthesize the carbon nanotubes.
An iron-containing compound...
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Tài liệu Báo cáo khoa học: Physico-chemical characterization and synthesis of neuronally active a-conotoxins docx
Ngày tải lên :
19/02/2014, 12:20
... amounts,
further characterization may be warranted. Thorough
assessment 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) 2297
MINIREVIEW
Physico -chemical characterization and synthesis of neuronally ... P.F.
(2000) Conotoxin TVIIA, a novel peptide from the venom of
Conus tulipa 1. Isolation, characterization and chemical synthesis.
Eur. J. Biochem. 267, 4642–4648.
29. Hauschka, P.V., Mullen, E.A.,...
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Aircraft measurements over Europe of an air pollution plume from Southeast Asia – aerosol and chemical characterization pot
Ngày tải lên :
15/03/2014, 20:20
... Physics
Aircraft measurements over Europe of an air pollution plume from
Southeast Asia – aerosol and chemical characterization
A. Stohl
1
, C. Forster
1, 2
, H. Huntrieser
2
, H. Mannstein
2
, W. W. McMillan
3
, ... predicted locations
and, thus, the measurements taken allowed the first detailed
characterization of the aerosol content and chemical com-
position of an anthropogenic pollution plume after a nearly
hemispheric ... suite of
instruments for trace gas and aerosol measurements, which
allowed a detailed characterization of the chemical composi-
tion and aerosol content of the Asian pollution plume. The
plume was...
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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
Ngày tải lên :
23/03/2014, 13:20
... Time (min)
UV Absorption (210 nm)
Chemically reduced Native tx5a
Chemically reduced hydrophilic tx5a
Fig. 3. Reverse-phase HPLC chromatography of a coinjection of
chemically reduced native tx5a ... corresponding
proton (
1
H) chemical shifts in 99.96% D
2
O at 285.5 K (relative to
sodium 2,2-dimethyl-2-silapentane-5-sulfonate).
Proton (
1
H)
Chemical
shift (p.p.m.) Proton (
1
H)
Chemical
shift (p.p.m.)
GalNAc:H1 ... 2004 Glycopeptide tx5a synthesis and NMR analysis (Eur. J. Biochem. 271) 4941
Total chemical synthesis and NMR characterization of the glycopeptide
tx5a, a heavily post-translationally modified...
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