Stability and size effect of silica nanotube

C Xu, J Cao, L Zhu, C Gao - Acta Physico-Chimica Sinica, 2006 - Elsevier
The structure and infrared vibration of silica nanotubes with anhydrous structure (SiO2-NTs)
and hydrogen-capped structure (SiO2-WNTs) were investigated using density-functional …

Molecular Dynamics Simulations of Silica Nanotube: Structural and Vibrational Properties Under Different Temperatures

S Zhang, Y Zhang, S Huang, P Wang… - Chinese Journal of …, 2010 - pubs.aip.org
Four-, six-, and eight-membered ring silica nanotubes at temperatures from 300 K to 1600 K
are relaxed by classical molecular dynamics simulations with three potential models. The …

First-principles design of well-ordered silica nanotubes from silica monolayers and nanorings

M Zhao, ZH Zhu, JD Gale, Y Xia… - The Journal of Physical …, 2007 - ACS Publications
The structural characters and the possible synthetic routes of the hypothetical silica
nanotubes (NTs) have been explored by using first-principles calculations. Silica nanorings …

First-principles study of structural, electronic and vibrational properties of aluminum-doped silica nanotubes

S Zhang, Y Zhang, S Huang, H Liu, H Tian - Chemical Physics Letters, 2010 - Elsevier
Novel Al-doped six-membered ring silica nanotubes have been studied by using density
functional theory. Four different Al-doped silica nanotubes are taken into account. The …

Quantum and molecular mechanics calculations on modified silica nano ring

G De Luca, E Tocci, E Drioli - Journal of molecular structure, 2005 - Elsevier
In the last decade several molecular computational procedures, quantum and classic,
became a reliable tool for molecular design and interpretations of experimental data. The …

Structural characterization of fully coordinated ultrathin silica nanotubes by first-principles calculations

M Zhao, RQ Zhang, Y Xia, ST Lee - Physical Review B—Condensed Matter …, 2006 - APS
Fully coordinated ultrathin silica nanotubes are derived by performing first-principles
calculations. The nanotubes are well ordered and are of three magic configurations, quite …

Density functional theory study of geometrical structures and electronic properties of silica nanowires

D Zhang, G Guo, C Liu, RQ Zhang - The Journal of Physical …, 2006 - ACS Publications
Silica nanowires are expected to possess structural diversity like bulk silica. We modeled
three silica nanowires based on the side-shared two-membered rings, spiro-united two …

Stability investigation and thermal behavior of a hypothetical silicon nanotube

SB Fagan, R Mota, RJ Baierle, G Paiva… - Journal of Molecular …, 2001 - Elsevier
Even though silicon nanotubes have never been observed, this paper attempts to establish
the theoretical similarities and differences between Si and C structures. Through the use of …

Structural Model of Silica Nanowire Assembled from a Highly Stable (SiO2)8 Unit

Zhang, RQ Zhang - The Journal of Physical Chemistry B, 2006 - ACS Publications
The ground-state structures of silica clusters (SiO2) n for n= 1− 8 were studied by performing
calculations at the B3LYP/6-311+ G (d) level of density functional theory. The results indicate …

Vibrational spectroscopic study of SiO2-based nanotubes

CE Fischer, J Mink, L Hajba, Z Bacsik, C Németh… - Vibrational …, 2013 - Elsevier
Novel organic–inorganic hybrid nanotubes containing silica and ethane (EtSNT), ethylene
(ESNT) and acetylene (ASNT) units, as well as brominated ESNT (Br-ESNT) and glycine …