[Research projects] Focus on 6 out of 11 new projects supported by the ANR

Sous titre
11 new projects supported by the French National Research Agency (ANR) involving IJL's research groups have been launched end of 2021 and early 2022. Let's focus on 6 of them that deal with: oxides, energy harvesting, hydrogen storage and thermoelectricity.

Oxides

> New ultrathin supported oxides

NOUS project focuses on a new class of ultrathin oxide films with complex structures in order to characterize their properties for future applications. This project brings together members of the following groups at IJL: Metallurgy and Surfaces, Spintronics and Nanomagnetism, Surfaces, Spectroscopies and Modeling, CC D.AU.M.
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Schematic of the project illustrating the all-thin film approach to generate new ultrathin supported oxides

> Antiferromagnetic perovskite oxides and spin manipulation

CITRON project aims at exploring new routes for tailoring multifunctional properties – by design – in vanadate-based systems, especially for the spin manipulation operated by an electric field.
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CITRON’s approach. Starting from the manipulation of electron degrees of freedom in RVO3 to promote magneto-electric coupling that we exploit in spin Hall effect and related effects for spin transport phenomena

Energy harvesting

> Solar energy harvesting through hybrid photovoltaic-thermoelectric system

The goal of HYDRES project is to design a system for recovering energy lost thermally in a photovoltaic solar cell by coupling this cell to a thermoelectric generator. With the LAAS as the leader, it brings together Measurement and Electronic Architectures group and Materials with Thermoelectric Properties group of IJL.
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Principe du système (PV-TE) optimisé

> Energy harvesting through magnetic fluctuations

The SpinElec project aims at exploiting the thermal fluctuations to generate an electric voltage by realizing a "spintronic engine". With the IPCMS as the leader it brings together LPMMC, Institut de Chimie de Strasbourg and IJL's Spintronics and Nanomagnetism group.
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Paysage d'énergie potentiel d'une jonction tunnel magnétique dans son état magnétique antiparallèle, comprenant un centre paramagnétique PM dans la barrière tunnel. La ligne jaune désigne le courant polarisé en spin redressé thermiquement. Le moteur de spin génère du travail en récoltant les fluctuations thermiques du centre paramagnétique PM

Hydrogen storage

> ActiveSurfaceH2

This project is leaded by LEM3 and involves the Surfaces and Metallurgy group of IJL. It explores a new process for the solid state storage of hydrogen in the form of metallic hydrides.
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Schematic extratced from: K. Edalati, M. Novelli , S. Itano, H. Li, E. Akiba, Z. Horita and T. Grosdidier, Effect of gradient-structure versus uniform nanostructure on hydrogen storage of Ti-V-Cr alloys: Investigation using ultrasonic SMAT and HPT processes, Journal of Alloys and Compounds, vol. 737, pp. 337-346, 2018

Thermoelectricity

> New skuteruditte-based thermoeletric generators

HEPHAISTOS project targets the manufacturing of low-cost and high-power-density, skutterudite-based thermoelectric modules. With the Institut des Sciences Chimiques de Rennes as a leader it involves Materials with Thermoelectric Properties group of IJL.
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A gauche : photographie d’un module thermoélectrique unicouple à base de skutterudites fabriqué par l’équipe de l’IJL
A droite : photographie du module connecté pour mesurer ses performances thermoélectriques

 

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Financé par l'ANR