Ordered water inside carbon nanotubes: formation of pentagonal to octagonal ice-nanotubes

被引：274
作者：
Maniwa, Y
Kataura, H
Abe, M
Udaka, A
Suzuki, S
Achiba, Y
Kira, H
Matsuda, K
Kadowaki, H
Okabe, Y
机构：
[1] Tokyo Metropolitan Univ, Dept Phys, Hachioji, Tokyo 1920397, Japan
[2] AIST, Nanotechnol Res Inst, Tsukuba, Ibaraki 3058562, Japan
[3] Tokyo Metropolitan Univ, Dept Chem, Hachioji, Tokyo 1920397, Japan
来源：
CHEMICAL PHYSICS LETTERS | 2005年 / 401卷 / 4-6期
关键词：
D O I：
10.1016/j.cplett.2004.11.112
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We report on a systematic X-ray diffraction analysis for the ordered water inside single-walled carbon nanotubes (SWNTs) with diameters of 10.9-15.2 Angstrom. Four distinct ordered structures identified in this diameter range were assigned to polygonal ice-nanotubes predicted by molecular dynamics (MD) calculations. The ordering transition temperature rose from 190 K of octagonal ice-nanotubes to 300 K of pentagonal ice-nanotubes without applying high pressure when the SWNT diameter decreased. The results indicate a crossover from bulk to atomic scale phenomena with decreasing SWNT diameter. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：534 / 538
页数：5
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