Young's Modulus of Single-Crystal Fullerene C-70 Nanotubes

被引：3
|
作者：
Kizuka, Tokushi [1 ]
Miyazawa, Kun'ichi [2 ]
Tokumine, Takayuki [1 ]
机构：
[1] Univ Tsukuba, Inst Mat Sci, Grad Sch Pure & Appl Sci, Tsukuba, Ibaraki 3058753, Japan
[2] Natl Inst Mat Sci, Fullerene Engn Grp, Mat Proc Unit, Tsukuba, Ibaraki 3050044, Japan
来源：
JOURNAL OF NANOTECHNOLOGY | 2012年 / 2012卷
关键词：
D O I：
10.1155/2012/969357
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We performed bending tests on single-crystal nanotubes composed of fullerene C-70 molecules by in situ transmission electron microscopy with measurements of loading forces by an optical deflection method. The nanotubes with the outer diameters of 270-470nm were bent using simple-beam and cantilever-beam loading by the piezomanipulation of silicon nanotips. Young's modulus of the nanotubes increased from 61 GPa to 110 GPa as the outer diameter decreased from 470nm to 270 nm. Young's modulus was estimated to be 66% of that of single-crystal C-60 nanotubes of the same outer diameter.
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页数：5
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