Nanotube nanodevice

被引:930
作者
Collins, PG
Zettl, A
Bando, H
Thess, A
Smalley, RE
机构
[1] UNIV CALIF BERKELEY, DEPT PHYS, BERKELEY, CA 94720 USA
[2] UNIV CALIF BERKELEY, LAWRENCE BERKELEY LAB, DIV MAT SCI, BERKELEY, CA 94720 USA
[3] ELECTROTECH LAB, DIV PHYS SCI, TSUKUBA, IBARAKI 305, JAPAN
[4] RICE UNIV, CTR NANOSCALE SCI & TECHNOL, HOUSTON, TX 77005 USA
[5] RICE UNIV, DEPT CHEM, HOUSTON, TX 77005 USA
[6] RICE UNIV, DEPT PHYS, HOUSTON, TX 77005 USA
关键词
D O I
10.1126/science.278.5335.100
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
A scanning tunneling microscope (STM) was used to explore the local electrical characteristics of single-wall carbon nanotubes. As the STM tip was moved along the length of the nanotubes, well-defined positions were found where the transport current changes abruptly from a graphitic-like response to one that is highly nonlinear and asymmetrical, including near-perfect rectification. The observations are consistent with the existence of localized, on-tube nanodevices of a type proposed theoretically.
引用
收藏
页码:100 / 103
页数:4
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