Growth of amorphous silicon nanowires via a solid–liquid–solid mechanism
Growth of amorphous silicon nanowires via a solid–liquid–solid mechanism
... 2000
Ž.
Chemical Physics Letters 323 2000 224–228
www.elsevier.nlrlocatercplett
Growth of amorphous silicon nanowires via a
solid–liquid–solid mechanism
H.F. Yan
a
, Y.J. Xing
a, b
, Q.L. Hang
a
, D.P. Yu
a, )
, ... laser ablation
of a powder target or directly from silane. In this
Letter, we report that a- SiNWs can be controllably
grown on a silicon substrat...
Controlled growth of oriented amorphous silicon nanowires via a solid–liquid–solid (SLS) mechanism
... process
involves solid–liquid–solid phases, it is named as a
SLS growth, which is in fact an analogy of the VLS
mechanism. The growth process of the a- SiNWs via
an SLS model is depicted schematically in ... interface;
(d) ÿnal state of the SiNW growth. The smooth surface of the original substrate becomes rough at the end of the SiNW growth.
via a SLS mechanism. Fi...
Growth of amorphous silicon nanowires
... The growth rate of the nanowires is
estimated to be ca. 15 nm/min. The diameter of the
nanowires is about 40 nm. A lot of nanowires are
assembling along the same direction and are not
parallel ... the silicon nanowires grown on a substrate deposited with AuPd alloy as catalyst for 1 min. (a) Low-mag-
ni®cation images of silicon nanowires. (b) and (c) A magni®ed vi...
Direct growth of amorphous silica nanowires by solid state transformation of sio2 films
... Direct growth of amorphous silica nanowires
by solid state transformation of SiO
2
films
Ki-Hong Lee
a,
*
, Hyuck Soo Yang
a
, Kwang Hyeon Baik
a
, Jungsik Bang
a
,
Richard R. Vanfleet
b
, Wolfgang ... Sigmund
a
a
Materials Science and Engineering Department, University of Florida, Gainesville, FL 32611, USA
b
Advanced Materials Processing and Analysis Center, University...
Polymer assisted synthesis of aligned amorphous silicon nanowires and their core shell structures with au nanoparticles
... Sheng-rong Yang
a,
*
a
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
b
Graduate School of the Chinese Academy of ... Polymer-assisted synthesis of aligned amorphous silicon
nanowires and their core/shell structures with Au nanoparticles
Xing-bin Yan
a, b
, Tao Xu
a
, Shan Xu
a, b
,...
Large scale synthesis, characterization and photoluminescence properties of amorphous silica nanowires by thermal evaporation of silicon monoxide
... Large-scale synthesis, characterization and photoluminescence properties of
amorphous silica nanowires by thermal evaporation of silicon monoxide
Sanjay K. Srivastava
a,
Ã
, P.K. Singh
a
, ... Sood
a
, D. Haranath
a
, Vikram Kumar
a
a
National Physical Laboratory, Dr. K. S. Krishnan Marg, Pusa, New Delhi 110012, India
b
Department of Physics, Indian Institute of Techno...
Photoluminescence and growth mechanism of amorphous silica nanowires by vapor phase transport
... Physica E 31 (2006) 218–223
Photoluminescence and growth mechanism of amorphous silica
nanowires by vapor phase transport
Y. Yang
a
, B.K. Tay
a
, X.W. Sun
a, Ã
, H.M. Fan
b
, Z.X. Shen
c
a
School of ... that the
formation of SiO
x
is related to the reaction of ZnCl
2
and
silicon. Vadadium or VO
x
evaporated from VO
2
acts as
catalyst for silica nanowire to grow by VLS...
Amorphous silica nanowires grown by the vapor–solid mechanism
... 2003
Abstract
Silica nanowires were synthesized by using silica nanoparticles as a growth catalyst using a gas composed of CH
4
and H
2
at 1050 °C. Silica nanoparticles provide silicon and oxygen ... amorphous nanowire.
The profile resembles that of the standard EELS spectrum of amorphous silica. (c) A HRTEM photograph and a SAD pattern
showing the amorphous characte...
Preparation and photoluminescence properties of amorphous silica nanowires
... of the
nanowires at a diameter of 60±110 nm and a length up to hundreds micrometers. Besides most smooth-surface polyp-
shaped nanowires, two other forms of nanowires, named amoeba-shaped and frog-egg-shaped ... energy (CAE)
mode at 20 eV. Mg Ka (hm 1253:6 eV) radiation
was employed as excitation source with an anode
voltage of 12 KV and an emission current of
20 mA. PL sp...
Tailoring of amorphous siox nanowires grown by rapid thermal annealing
... nanoparticles act
as a catalyst and are responsible for initiating the growth
Fig. 1. Scanning electron microscopy images of (a) Pt nanoparticles on
the surface after rapid thermal annealing at ... USA
Received 9 October 2007; in final form 9 January 2008
Available online 16 January 2008
Abstract
The growth of Pt-catalyzed SiO
x
nanowires by rapid thermal annealing at 900 °C is dem...
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