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Portal > Offres > Offre UPR3346-NADMAA-016 - CHERCHEUR en Caractérisation Thermique des Couches Minces par Radiométrie Infrarouge H/F

RESEARCHER Thermal Characterization of Ultra-Thin Films by Infrared Radiometry M/F

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

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General information

Reference : UPR3346-NADMAA-016
Workplace : POITIERS
Date of publication : Monday, November 25, 2019
Type of Contract : FTC Scientist
Contract Period : 24 months
Expected date of employment : 1 February 2020
Proportion of work : Full time
Remuneration : gross monthly salary between 2617 € and 3017 €
Desired level of education : PhD
Experience required : Indifferent


At CNRS-Laboratoire PPRIME, located at Poitiers, as part of the ANR JCJC Epolariton, the researcher will have for mission the experimental quantification of the surface phonon-polariton (SPhP)energy, which has been theoretically studied but never experimentally confirmed.

The candidate will quantify this energy bymeasuring the thermal conductivity of ultra-thin layers of SiO2, SiC and SiN deposited on a substrate. By performing experiments for different film thicknesses below 100 nm, we expect to find higher in-plane thermal conductivities for thinner films. This increase represents the fingerprint of the presence of SPhPs and will be used to unambiguously demonstrate their existence and quantify their thermal conductivity.


The recruited person will be in charge of the following activities:

• Measurement of the in-plane and cross-plane thermal conductivities of ultra-thin layers of SiO2, SiC and SiN deposited on a substrate,

• Determination, interpretation and use of the infrared radiometry signal for the determination of thermal properties,

• Development of an appropriate theoretical model to describe the infrared radiometry signal obtained for ultrathin layers.


The person recruited will need a PhD degree and the following skills:

• Mastery of the experimental technique of infrared radiometry,

• Knowledge of the working principles of photothermal techniques,

• Ability to develop theoretical models for describing the infrared radiometry signal.

Work Context

CNRS (Centre national de la recherche scientifique) is the national center of the scientific research in France.

Pprime Institute (P') is a research laboratory specialized in the fields of Physics and Engineering Sciences.

This research project will be developed under the framework of the ANR-JCJC Epolariton project led by Jose Ordonez (TNR Team of the Institute Pprime). The proposed studies are at the crossroads of the research communities on materials, heat transport, electronics and physics, and they are at the forefront of thermal energy transport by SPhPs, whose experimental measurement has never been reported in the literature. The quantification of the thermal conductivity of SPhPs will confirm that these electromagnetic waves are effective carriers of energy that propagate along the surface of nanomaterials and thus constitute a new heat transport channel, in addition to those of phonons and electrons, which propagate in the volume of materials.

Constraints and risks

Short-term travel, in France and abroad, is to be expected.

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