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Carbon nanotubes as base material for fabrication of gap waveguide components

Amin M Saleem (Institutionen för mikroteknologi och nanovetenskap, Bionanosystem) ; Sofia Rahiminejad (Institutionen för mikroteknologi och nanovetenskap, Bionanosystem) ; Vincent Desmaris ; Peter Enoksson (Institutionen för mikroteknologi och nanovetenskap, Bionanosystem)
Sensors and Actuators a-Physical (0924-4247). Vol. 224 (2015), p. 163-168.
[Artikel, refereegranskad vetenskaplig]

Microfabrication with Si has its benefits but it is time consuming when etching high ratio structures. Previously a ridge gap resonator has been fabricated in Si, with a pin height of 278 pm. In this paper carbon nanotubes, which can grow hundreds of micrometers within minutes are being used as a base material for a high frequency device. It has been implemented on a ridge gap resonator for 220-325 GHz. Carbon nanotubes based structures offer a rapid and low-cost turnover for prototyping. Measurements comparing two carbon nanotubes-based structures to a previously made Si structure and simulations are presented. From these measurements the unloaded Q-value and the loss/mm have been calculated and shows a loss of 0.079 dB/mm and 0.051 dB/mm for the lower frequency range respectively the higher frequency range, indicating that carbon nanotubes can be used for fast and low-cost prototyping of high-frequency devices.

Nyckelord: GHz, High-frequency, RF MEMS, Metamaterial, Gap waveguide, Carbon nanotubes

Denna post skapades 2015-04-20. Senast ändrad 2015-06-24.
CPL Pubid: 215387


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Institutioner (Chalmers)

Institutionen för mikroteknologi och nanovetenskap, Bionanosystem (2007-2015)


Informations- och kommunikationsteknik
Nanovetenskap och nanoteknik
Innovation och entreprenörskap (nyttiggörande)

Chalmers infrastruktur

NFL/Myfab (Nanofabrication Laboratory)

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Microsystem technology for microwave applications at frequencies above 100 GHz