Morphology and growth mechanism study of self assembled silicon nanowires synthesized by thermal evaporation
Morphology and growth mechanism study of self assembled silicon nanowires synthesized by thermal evaporation
... Morphology and growth mechanism study of self- assembled
silicon nanowires synthesized by thermal evaporation
Z. Zhang
1
, X.H. Fan, L. Xu, C.S. Lee, S.T. Lee
*
Center of Super-Diamond and ... related to the
morphology and growth temperature. We show
that the formation of SiNWs is indeed closely re-
lated to the amorphous SiO particles, and the
growth...
Characterization of tin catalyzed silicon nanowires synthesized by the hydrogen radical assisted deposition method
... Characterization of Tin-catalyzed silicon nanowires synthesized by the hydrogen
radical-assisted deposition method
Minsung Jeon
⁎
, Hisashi Uchiyama, Koichi Kamisako
Department of Electronic and Information ... growth mechanism at temperatures higher than the Sn–
Si eutectic temperature. This VLS mechanism has been introduced by Wagner et al. to
growth single crystalli...
Silicon nanowires fabricated by thermal evaporation of silicon monoxide
... crystalline silicon nanowires (SiNWs) with a diameter of ∼30 nm and length of tens of micrometers on
Al
2
O
3
templates and silicon wafers were synthesized by the thermal evaporation of silicon monoxide ... successfully synthesized large
quantity of uniform crystalline SiNWs on Al
2
O
3
templates and silicon wafers by thermal evaporation
of silicon...
Temperature dependence of morphology and diameter of silicon nanowires synthesized by laser ablation
... oxide
exceeded the growth rate of crystal silicon, outer
layer of silicon oxide will surround the crystal sil-
icon. As a result, the growth of crystal silicon
ceased and silicon oxide of outer layer ... dependence of the
morphology of SiNWs synthesized by laser abla-
tion. In this Letter, we present the results on this
project. Our results show that the morpho...
Sulfide assisted growth of silicon nano wires by thermal evaporation of sulfur powders
... 2004
Abstract
Silicon nanowires (SiNWs) with a diameter of B20 nm were synthesized by the thermal evaporation of
sulfur powders on silicon wafers. The source of the SiNWs came from the silicon substrates. ... surface
oxidation of nanowires. This suggests that the
nanowires were composed of silicon and silicon
oxide as sheath. Actually, some SiNWs could be
ox...
Temperature-Controlled Growth of Silicon-Based Nanostructures by Thermal Evaporation of SiO Powders
... VLS
7-10
and laser ablation.
11-15
In
thermal evaporation, oxides were found to play a dominant role
in the nucleation and growth of Si nanowires. The growth
mechanism of Si nanowires from thermal evaporation ... Temperature-Controlled Growth of Silicon- Based Nanostructures by Thermal Evaporation
of SiO Powders
Z. W. Pan,
†
Z. R. Dai,
†
L. Xu,
‡
S. T. Lee...
Dimensional evolution of silicon nanowires synthesized by au–si island catalyzed chemical vapor deposition
... 2006
Abstract
This study explores the nucleation and morphological evolution of silicon nanowires (Si-NWs) on Si (0 0 1) and (1 1 1) substrates
synthesized using nanoscale Au–Si island-catalyzed rapid thermal ... materials
[3]. In metal island-catalyzed growth of Si-NWs via the
VLS processes, the diameter and alignment of the NWs can
be readily controlled by the size...
Photoluminescence and growth mechanism of amorphous silica nanowires by vapor phase transport
... (red band), and hydrogen-related species in the structure of SiO
x
(green band). The study on chemical reactions and
growth of the SiO
x
nanowires revealed the formation process of silica nanowires ... 2(b), and 60.28 at% of O, 39.40 at% of Si,
0.32 at% of V, and no Zn or Cl, for the long nanowires in
Fig. 1(b). Thus, it is confirmed that, V acted as a catalyst in...
hydrothermal synthesis and characterization of self - assembled h - wo3
... techniques. 1D self- assembled h-WO
3
nanowire bundles of ∼100 nm diameter and 1–2 m length
were comprised of several individual uniform nanowires of 4–6nm diameter. These individual nanowires
served ... two
growth stages: the growth of aggregate particles is facilitated and
followed by the growth of 1D nanorods to form the urchin-like
structure.
TEM andHR-TEMmic...
morphology change of self-assembled zno 3d nanostructures with different ph
... attributed to the growth rates of spe-
cific planes of the ZnO nanorods. At pH 10.5 and 11.0, the growth
rate for the (0 0 2) plane was large, and the growth rates of the
(1 00) and (1 1 0) planes ... property and crystal
quality of self- assembled ZnO 3D nanostructure were obtained at
pH 10.5.
Acknowledgments
This study was supported by the ERC (Center for Materia...
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