Observation of coulomb blockade in a Ti/multi-wall carbon nanotube/Ti structure

被引：0
|
作者：
Kanda, A [1 ]
Tsukagoshi, K [1 ]
Ootuka, Y [1 ]
Aoyagi, Y [1 ]
机构：
[1] Univ Tsukuba, Inst Phys, Tsukuba, Ibaraki 3058571, Japan
来源：
NANONETWORK MATERIALS: FULLERENES, NANOTUBES AND RELATED SYSTEMS | 2001年 / 590卷
关键词：
D O I：
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中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Coulomb blockade effect in a multi-wall carbon nanotube contacted by Ti electrodes in metal-on-tube configuration has been observed. The junction capacitance estimated from the I-V curves is proportional to the length of the nanotube segments overlapped by Ti electrodes, showing that the tunnel barrier does not locate inside the nanotube but between the nanotube and a Ti electrode, that is, the nanotube, as a whole, behaves as an island. The high resistance of the sample, which is crucial for the observation of the Coulomb blockade, can be attributed to mismatch between Ti and nanotube.
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页码：265 / 268
页数：4
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