The nanostructures of amorphous silicas.
Topologically modeled amorphized silica structures have been refined using a molecular dynamics simulation technique. Several metastable structures with substantially different medium-range connectivities, as characterized by primitive ring statistics, were obtained. Whereas the total correlation function is insensitive to these differences, the first step diffraction peak derived from energy-filtered electron diffraction shows a promising correlation to medium-range structure.
Hobbs
Linn W
LW
Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139-4307, USA.
Yuan
Xianglong
X
Qin
L C
LC
Pulim
Vinay
V
Coventry
Alexander
A
D003460:Crystallization; D008854:Microscopy, Electron; D008958:Models, Molecular; D036103:Nanotechnology / Q000379:methods; D012822:Silicon Dioxide / Q000737:chemistry*; D014961:X-Ray Diffraction
D012822:Silicon Dioxide