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Three-terminal scanning tunneling spectroscopy of suspended carbon nanotubes

机译:悬浮碳纳米管的三端扫描隧道光谱

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摘要

We have performed low-temperature scanning tunneling spectroscopy measurements on suspended single-wall carbon nanotubes with a gate electrode allowing three-terminal spectroscopy measurements. These measurements show well-defined Coulomb diamonds as well as side peaks from phonon-assisted tunneling. The side peaks have the same gate voltage dependence as the main Coulomb peaks, directly proving that they are excitations of these states.
机译:我们已经对带有栅电极的悬浮单壁碳纳米管进行了低温扫描隧道光谱测量,从而可以进行三端光谱测量。这些测量结果显示出定义明确的库仑钻石以及声子辅助隧穿的侧峰。副峰与库仑主峰具有相同的栅极电压依赖性,直接证明它们是这些状态的激发。

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