Silicon subiodide clusters.
Silicon subiodide clusters (Si(n)I(m), n = 1-20) produced by laser ablation of bulk powder silicone tetraiodide have been investigated by time-of-flight mass spectroscopy and ab initio calculations. Both experimental results and theoretical calculations revealed a tendency to form different structures of the clusters depending on n: chain, ring, and cage structures for n < or = 6, 6 < n < 16, and n > or = 16, respectively. The results showed that iodine, like hydrogen, can be used for stable silicon cluster termination.
Center for Interdisciplinary Research, Tohoku University, Sendai 980-8578, Japan.
Andriy
A
Dmytruk
Yeon-Su
YS
Park
Atsuo
A
Kasuya
Hideki
H
Kikuchi
Masae
M
Takahashi
Yoshiyuki
Y
Kawazoe
Akira
A
Watanabe
D003198:Computer Simulation; D003460:Crystallization / Q000379:methods*; D007455:Iodine / Q000737:chemistry*; D046911:Macromolecular Substances / Q000737:chemistry; D008422:Materials Testing; D008956:Models, Chemical; D008958:Models, Molecular; D008968:Molecular Conformation; D049329:Nanostructures / Q000737:chemistry* / Q000648:ultrastructure*; D036103:Nanotechnology / Q000379:methods*; D010316:Particle Size; D012825:Silicon / Q000737:chemistry*; D013499:Surface Properties
D046911:Macromolecular Substances; D007455:Iodine; D012825:Silicon