Variable and reversible quantum structures on a single carbon nanotube
Variable and reversible quantum structures on a single carbon nanotube
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DOI：
10.1103/physrevb.62.r16345
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发表时间：
2000-12-15
影响因子：
3.7
通讯作者：
Yildirim, T
中科院分区：
文献类型：
--
作者：
Kiliç, Ç;Ciraci, S;Yildirim, T
半导体单壁碳纳米管的带隙减小，并最终消失，导致金属化，作为增加径向变形的结果。这在单个纳米管的未变形区域和变形区域之间设置带偏移。基于超晶格的计算，我们表明，这些功能可以利用实现各种量子阱结构上的一个单一的纳米管可变和可逆的电子特性。这些量子结构和纳米器件结合了力学和电子学。
The band gap of a semiconducting single wall carbon nanotube decreases and eventually vanishes leading to metalization as a result of increasing radial deformation. This sets in a band offset between the undeformed and deformed regions of a single nanotube. Based on the superlattice calculations, we show that these features can be exploited to realize various quantum well structures on a single nanotube with variable and reversible electronic properties. These quantum structures and nanodevices incorporate mechanics and electronics.