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Portail > Offres > Offre UMR9001-MELLEG-002 - Chercheur postdoctoral (H/F) dans le cadre du projet ANR "investigations thermodynamiques des systèmes mesoscopiques en deux dimensions" (H/F)

Post-Doctoral Fellow within the ANR project "Thermodynamic investigatons of mesoscopic 2D systems" (M/F)

This offer is available in the following languages:
Français - Anglais

Date Limite Candidature : vendredi 3 juin 2022

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General information

Reference : UMR9001-MELLEG-002
Workplace : PALAISEAU
Date of publication : Friday, May 13, 2022
Type of Contract : FTC Scientist
Contract Period : 24 months
Expected date of employment : 1 August 2022
Proportion of work : Full time
Remuneration : Monthly salary 2192€-3131€ according to experience.
Desired level of education : PhD
Experience required : Indifferent


With the THERMES-2D project we intend to develop novel thermodynamic tools for the experimental study of mesoscopic 2DEG systems. The main mission of the postdoc will be to use the nanofabrication techniques of C2N, in close collaboration with the epitaxial growth, in order to realise devices based on 2DEGs in GaAs/AlGaAs heterojunctions, to be used for the study of the specific heat (Cp) in the quantum Hall effect.
The Cp is a global property of a given thermodynamic system with contributions from all its degrees of freedom. The electron contribution to the Cp is a sensitive probe of quantum phase transitions, of excess entropy, of the electronic density of states, and of the electronic effective mass. Within the framework of this project, we will be looking for an improved understanding of the correlated physics in the integer and fractional quantum Hall effect.


- To develop membrane devices that will be employed in the investigation of the specific heat in the integer and fractional quantum Hall effect, using the nano fabrication facilities of C2N in close collaboration with the epitaxial growth.
- The characterisation of the electronic properties of the devices at cryogenic temperatures.
- A close collaboration with the teams of Insitut Néel and LNCMI in Grenoble, where the studies of the specific heat with be realised at low temperatures and high magnetic fields.


- Ph.D. in experimental condensed matter physics or equivalent.
- Good technical background in semiconductor sample processing (e-beam lithography, lift-off techniques, etch techniques …).
- Experience with transport experiments, low-temperature experiments, as well as a knowledge in mesoscopic physics and 2-dimensional electron gases would be appreciated assets.

Work Context

The sample fabrication will be done in the clean room facilities of C2N, in close collaboration with the epitaxial growth. In addition to the sample fabrication, the THERMES-2D consortium presents a synergy for the the study of the specific heat (Cp) in the quantum Hall regime: the world-known expertise in very sensitive heat measurements of the team at Institut Néel, and the expertise of the LNCMI team in terms of measurements in the quantum Hall regime at low temperatures and high magnetic fields.

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