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Research Internship – 2023-2024 - Master 1 - Dry transfer technique for individual carbon nanotube
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Context :
One of the central feature in nanotechnology is the capability to manipulate low-dimensional objects. This is for instance at the heart of the development of van der Waals heterostructures made of 2D materials.
At the scale of 1D systems, such as nanotubes and nanowires, this capability is still missing. In particular, when preparing suspended devices for quantum nano-optics, nano-mechanical resonators, etc., dry transfer techniques are mandatory to avoid collapsing of the nanotube.
Getting inspiration from the world of 2D materials, we aim to develop an original dry transfer technique for manipulating individual carbon nanotube. The central idea is to play on the nanotube- surface affinity to 1) pick-up the nanotube from its growth substrate and 2) release the nanotube on a target substrate.
Scientific and technical work :
We propose to investigate the dry transfer of carbon nanotubes, from an initial substrate to a patterned substrate, comprising a trench and/or electrodes. We will investigate direct transfer using different adhesives (PDMS, SU8) as well as a sacrificial layer (Anthracene).
A custom 3-axis set-up is already available in the team to manipulate the substrate and the adhesive. Depending on the outcome, electrical, optical and mechanical characterization can be performed on the successful devices.
In this project, the student will learn and use a scanning electron microscope (SEM), which is the central tool to observe the carbon nanotubes on surfaces.
If needed, the student may :
- - Prepare new catalyst for the growth of nanotubes (chemistry steps, basic level)
- - Learn and use a probe station with Source-Measure Unit (SMU), to probe the electrical
- properties of carbon nanotubes
- - Learn and use Raman scattering & Photoluminescence, to probe the optical properties of
- carbon nanotubes
- - Learn and use Nanomechanics, to probe the mechanical properties of carbon nanotubes
Profile :
This project is adapted for a student with a background in physics, applied physics, nanosciences, electrical engineering. Prior knowledge of carbon nanotube science is not necessary. The internship involves substantial experimental work, so the taste for experimental work is mandatory.
Additional information :
Length of the internship : 2-3 months
Starting date : flexible, to be defined with the candidate
Advisors :
Adrien Noury,
Nicolas Izard
Website : https://nanomechanics.fr/
