Si nanowires synthesized with cu catalyst
Si nanowires synthesized with cu catalyst
... Si nanowires synthesized with Cu catalyst
Y. Yao
⁎
, S. Fan
Tsinghua-Foxconn Nanotechnology Research Center, Department of Physics, Tsinghua University, Beijing 100084, ... alloy to form the Si nanowires when the
concentration is supersaturated. The diameter of the Si nanowires is
similar to the size of the CuSi alloy nanoparticles. So the tip of the Si
nanowires is .....
Si nanowires synthesized by laser ablation of mixed sic and sio2 powders
... synthesized Si nanowires from SiC pow-
ders mixed with SiO powders which are used to
2
synthesize single crystalline silicon in the present
semiconductor industry. The crystalline Si nanowires
are ... x
1 or Si powder with SiO powder 13 . However, a
2
target made of SiC powder mixed with SiO powder
2
Ž.
is interesting since electronic-grade silicon EGS is
made from the react...
Silicon carbide nanowires synthesized with phenolic resin and silicon powders
... factors for the
formation of
b
-SiC nanowires.
This paper proposed a method to synthesize SiC nanowires
with phenolic resin and silicon powders without using any metal
catalysts. The advantages of ... was also proposed.
b
-SiC nanowires can also be
directly synthesized by heating single-crystal silicon wafer and
graphite without metal catalysts [22]. The diameter of SiC
ARTICLE IN P...
Characteristics of siox nanowires synthesized via the thermal heating of cu coated si substrates
... Cu- coated Si
substrates. We have investigated the effect of Cu layer
thickness on the growth of SiO
x
nanowires. We discuss the
possible growth mechanism with respect to the role of the
predeposited Cu ... solid phase with respect to the Si elements.
Similarly, various forms of SiO
x
nanowires including
straight, curved, and helical-shaped nanowires have been
fabricated pre...
Dimensional evolution of silicon nanowires synthesized by au–si island catalyzed chemical vapor deposition
... Physica E 37 (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 ... increases, dissolution
of more Si into Au Si droplets will lead to increasing Si
chemical potential in the liquid droplets with a relationship
of Dm
Si
¼ kT ln p, where Dm
Si
is Si ch...
Deposition of carbon nanotubes on si nanowires by chemical vapor deposition
... crystalline cubic Si and b-SiC
could be identi®ed.
High resolution TEM images revealed that Si
NW with carbon coating consisted of a single
crystalline Si core and a sheath of carbon muti-
layers with ... more diverse range of
applications. Up to date, a composite of CNTs
with SiNWs in longitudinal has been synthesized
[7]. However, a composite of these two materials
in transver...
High frequency FTIR absorption of sio2 si nanowires
... has no silicon
single crystal core. Second, the difference comes
from the interface structure of the SiO
2
/Si nano -
wires. In SiO
2
/Si nanowires, the interface between
silicon core and SiO
2
outer ... amorphous
SiO
2
of silicon nanowires and in the interface be-
tween silicon crystal and amorphous SiO
2
. How-
ever, the detailed structural features of the surface
of silicon nanowire...
Highly efficient and stable photoluminescence from silicon nanowires coated with sic
... photophysics and device physics.
SiNW were synthesized by thermal evapora-
tion from a mixture of silicon and silicon dioxide
powder [14,15]. The SiNWs deposited on a silicon
wafer have an average ... produce a thin coating
layer of cubic silicon carbide (b-SiC) using an ion beam deposition technique. High resolution transmission electron
microscopy (HRTEM) showed that silicon oxide shells...
Morphology and growth mechanism study of self assembled silicon nanowires synthesized by thermal evaporation
... The SiNWs were synthesized by thermal evaporation of SiO powders without any metal cata-
lysts. The SiNWs grown on the sun¯ower-seed-shaped particles had sub-branches of SiNWs terminated by Si ... made of a Si core and a SiO
2
sheath.
The one-dimensional growth of SiNWs is facili-
tated by the SiO
2
sheath that con®nes the lateral
growth of SiNWs, and the high absorptivity for
Si O clu...