Báo cáo hóa học: " Synthesis of long group IV semiconductor nanowires by molecular beam epitaxy" ppt
Báo cáo hóa học: " Synthesis of long group IV semiconductor nanowires by molecular beam epitaxy" ppt
... Therefore, these Ge NWs are oriented along one of
the equivalent <110> directions, in agreement with the
Figure 1 Model of group IV semiconductor NW growth by
MBE. The NW has a length L and ... lateral growth of the {111}
sidewalls, giving rise to a typicalrhombohedralcross-
section (Figure 6c).
In summary, by combining SEM and TEM analysis of
group IV semiconduct...
Báo cáo hóa học: " Synthesis of long group IV semiconductor nanowires by molecular beam epitaxy" doc
... 6:113
http://www.nanoscalereslett.com/content/6/1/113
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NANO EXPRESS Open Access
Synthesis of long group IV semiconductor
nanowires by molecular beam epitaxy
Tao Xu
1
, Julien Sulerzycki
1
, Jean ... analysis of the surface energy
of diamond cubic crystals. Surf Interface Anal 2003, 35:805.
doi:10.1186/1556-276X-6-113
Cite this article as: Xu et al.: Synthe...
Báo cáo hóa học: " Synthesis of magnetic nanofibers using femtosecond laser material processing in air" ppt
... rates, the M of
the nanofibrous structure get lower due to the presence
of an abundant amorphous phase which also shows
lower coercivity. The relatively large coercivities of
nanofibrous structures ... below
the Curie temperature of the sample to form magnetic
nanofibers. The total magnetization of a nanofiber is
given b y the vectorial sum of all single magnetic
moments of the...
Báo cáo hóa học: " Synthesis of NaYF4:Yb3+, Er3+ upconversion nanoparticles in normal microemulsions" pdf
... cubic phase of NaYF
4
(JCPDS card, No.
77-2042). From the line broadening of the diffraction
peaks, the crystallite size of the sample was determined
to be approximately 18 nm using the Debye-Sche ... an important prerequisite for the
applications of UCNPs is the availability of small and
monodisperse nanoparticles [1]. Recently, the synthesis
of various inorganic nanoparticles...
Báo cáo hóa học: " Synthesis of silicalite-poly(furfuryl alcohol) composite membranes for oxygen enrichment from air" docx
... properties of
existing polymeric membranes are still restricted by the
trade-off trend between gas permeability and selectivity
which was suggested by Robson [8]. Additional limita-
tion of the polymeric ... the
development of synthesis methods of pinhole-free,
mechanicall y stable, and inorganic-organic hybrid mem-
branes to combine the advantages of both inorganic and
organi...
Báo cáo hóa học: "Synthesis of freestanding HfO2 nanostructures" ppt
... formation of nanometer scale crystallites of HfO
2
.The
second method involved a two-step heating process by which macroscopic, freestanding nanosheets of HfO
2
were
formed as a byproduct during the synthesis ... have been reports of
interesting p roperties of HfO
2
when synthesized in the
form of nanocrystals or nanorods [3-5]. Inducing dimen-
sional constraints by reducing...
Báo cáo hóa học: "Synthesis of carbon nanotubes with and without catalyst particles" doc
... massive amount of synthesis r outes
and variations were developed. Most of these were
based on the use of catalyst particles, including the che-
mical vapour deposition (CVD) route. CVD synthesis ... Germany
3
University of Oxford, Parks
Road, Oxford, OX1 3PH, UK
4
West Pomeranian University of Technology, ul.
Pulaskiego 10, 70-322 Szczecin, Poland
5
Nanotechnology Center, VSB
T...
Báo cáo hóa học: " Synthesis of multi-walled carbon nanotube/ polyhedral oligomeric silsesquioxane nanohybrid by utilizing click chemistry" pptx
... into 200 ml of water and the pro duct
wasvacuumdriedat40°Cfor60 h. The yield of azide-
functionalized POSS obtained was 85%.
Synthesis of MWNT-POSS nanohybrid by click coupling
Coupling of an azide ... Research
Foundation of Korea (NRF) funded by the Ministry of Education, Science and
Technology (R11-2005-065).
Author details
1
Department of Textile Engineering, Konkuk Uni...
Báo cáo hóa học: " Synthesis of Bio-Compatible SPION–based Aqueous Ferrofluids and Evaluation of RadioFrequency Power Loss for Magnetic Hyperthermia" docx
... precipitation of the oxide. The rate of reaction was
controlled by allowing one drop of ammonia per second to
react with this solution until a pH of 10, to get a thick dark
precipitate. Five grams of citric ... most recommended because of its
higher magnetization values, lesser toxicity [19] and the
ease of metabolism by the liver. In the present study, we
report the synthe...
Báo cáo hóa học: " Synthesis of ZnGa2O4 Hierarchical Nanostructure by Au Catalysts Induced Thermal Evaporation" pdf
... characterization of the Ga
2
O
3
nanowires
synthesized in the first step. From Fig. 1a, it can be seen
that the diameter of nanowires is about 80–100 nm and the
length of nanowires is up to several tens of ... constants of a = 5.80 A
˚
, b = 3.04 A
˚
, c = 12.23 A
˚
,
and b = 103.7°.
Fig. 1 a FE-SEM image of the Ga
2
O
3
nanowires; b XRD pattern of
as-prepared Ga
2
O
3
na...