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Designing a Double-Pole Nanoscale Relay Based on a Carbon Nanotube: A Theoretical Study

Weihua Mu (牟维华)1,2,*, Zhong-can Ou-Yang (欧阳钟灿)3, and Mildred S. Dresselhaus4,†

  • 1School of Ophthalmology and Optometry, Eye Hospital, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou 325027, China
  • 2Wenzhou Institute of Biomaterials and Engineering, CNITECH, CAS, Wenzhou 325001, China
  • 3Key Laboratory of Theoretical Physics, Institute of Theoretical Physics; Kavli Institute for Theoretical Physics China, The Chinese Academy of Sciences, P.O. Box 2735, Beijing 100190, China
  • 4Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA

  • *muwh@itp.ac.cn
  • †Deceased.
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Phys. Rev. Applied 8, 024006 – Published 11 August, 2017

DOI: https://doi.org/10.1103/PhysRevApplied.8.024006

Abstract

We theoretically investigate a novel and powerful double-pole nanoscale relay based on a carbon nanotube, which is one of the nanoelectromechanical switches being able to work under the strong nuclear radiation, and analyze the physical mechanism of the operating stages in the operation, including “pull in,” “connection,” and “pull back,” as well as the key factors influencing the efficiency of the devices. We explicitly provide the analytical expression of the two important operation voltages, Vpull in and Vpull back, therefore clearly showing the dependence of the material properties and geometry of the present devices by the analytical method from basic physics, avoiding complex numerical calculations. Our method is easy to use in preparing the design guide for fabricating the present device and other nanoelectromechanical devices.

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Phys. Rev. Applied 8, 024006– Published 11 August, 2017
  • Received 3 April 2017
Article part of CHORUS

© 2017 American Physical Society

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