Sökning: "nanoelectromechanical oscillators"

Hittade 2 avhandlingar innehållade orden nanoelectromechanical oscillators.

1. 1. Nonresonant high-frequency actuation of carbon based nanoelectromechanical oscillators

   Författare :Martin Eriksson; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; nanoelectromechanical oscillators; graphene; nonresonant; mechanical vibra- tions; selective mode actuation;

   Sammanfattning : Carbon based nanoelectromechanical oscillators outperform their predecessors in many ways. In particular, their extraordinarily high quality factors make them very promising for sensor applications. To operate the nano oscillators, different kinds of actuation mechanisms are utilised, for instance direct or parametric resonance. LÄS MER

3. 2. Modeling Carbon Nanotube Field Effect Transistors with Fixed and Suspended Nanotube Gates

   Författare :Yury Tarakanov; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : Carbon nanotubes (CNT) exhibit a range of properties that make them well suited for nanoelectronic and nanoelectromechanical devices. One-dimensional field effect transistors based on single-walled CNTs have demonstrated excellent electrical characteristics and are competitive with silicon-based solutions, and oscillators based on suspended CNTs have been shown to work at gigahertz frequencies with Q-factors exceeding 10$^3$. LÄS MER