Bai, Jaeil and Wang, Jun and Zeng, X. C. (2006) Multiwalled ice helixes and ice nanotubes. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 103 (52). pp. 19664-19667.
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Official URL: http://www.pnas.org/content/103/52/19664.abstract
Abstract
We report six phases of high-density nano-ice predicted to form within carbon nanotubes (CNTs) at high pressure. High-density nano-ice self-assembled within smaller-diameter CNT (17,0) exhibits a double-walled helical structure where the outer wall consists of four double-stranded helixes, which resemble a DNA double helix, and the inner wall is a quadruple-stranded helix. Four other double-walled nano-ices, self-assembled respectively in two larger diameter CNTs (20,0 and 22,0), display tubular structure. Within CNT (24,0), the confined water can freeze spontaneously into a triple-walled helical nano-ice where the outer wall is an 18-stranded helix and the middle and inner walls are hextuple-stranded helixes.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | carbon nanotube; high density nano-ice; nano-ice helix |
| Subjects: | Physical Science > Nano objects Material Science > Nanostructured materials |
| ID Code: | 3198 |
| Deposited By: | Anuj Seth |
| Deposited On: | 26 May 2009 14:19 |
| Last Modified: | 26 May 2009 14:19 |
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