Carbon Nanotube Nanoelectromechanical Devices

我们建议在碳纳米管（CNT）电引线之间的动态接触中使用原子尺度特征，以在集成的亚微米器件中创建电压频率转换器、GHz混频器和原子分辨率线性编码器。 虽然我们以前的研究已经证明了实现我们实验目标所需的许多组成能力，但仍然存在一些挑战。 虽然碳纳米管的静电偏转和诱导的机械共振已被证明，一个集成的CNT振荡器尚未被构造。 在接下来的一年里，我们建议观察调制电流通过碳纳米管/碳纳米管结，由于原子吸收，建立悬浮的纳米管谐振器与100 MHz- 10 GHz的响应在一个集成的设备，并结合联合收割机这些影响到上述设备。 这些器件将把最终的长度尺度和原子晶格间距引入到集成驱动装置中。

We propose to use atomic scale features in the dynamic contact between carbon nanotube (CNT) electrical leads to create a voltage to frequency converter, a GHz frequency mixer, and an atomic resolution linear encoder in an integrated sub-micron device. While many of the constituent capabilities required to accomplish our ecperimental goal have been demonstrated in our previous research, several challenges remain. Although electrostatic deflections and induced mechanical resonance of carbon nanotubes have been demonstrated, an integrated CNT oscillator has yet to be constructed. Over the coming year we propose to observe modulations inthe current across CNT/CNT junctions due to atomic corrugation, build suspended nanotube resonators with 100MHz - 10 GHz response in an integrated device, and combine these effects into the devices proposed above. These devices will introduce the ultimate length scale and atomic lattice spacings into integrated actuating devices.