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Hardmetals are composite materials that combine the hardness of a hard phase (usually carbide or carbonitride), with the ductility of a metallic binder. Among hardmetals, the combination WC-Co is by far the most used one. However, the position of cobalt as critical raw material requires its substitu

With their large internal surface area and severely confining porosity, nanoporous materials are at the forefront in the mitigation strategy to the environmental and energy crisis with key applications in adsorption, catalysis, insulation, etc. Yet, despite intense research on the behavior of nanoco

Contact silicides are critical building blocks of micro and nanoelectronic devices and are commonly used to provide electrical contact between transistors and copper interconnects. For this, The requirements ultrathin silicides layers (between 10 and 20 nm) are required that are currently obtained v

Mid Infrared spectroscopy in the 2-14 µm region is widely used for chemical and biologic analysis. The company DIAFIR has developed an infrared fiber evanescent wave spectroscopy for biological analysis and food industry. The key component is the single-use tapered chalcogenide fiber sensor, which d

The miniaturization of metallic components in industrial applications leads to a strong decrease of the ratio between the grain size and the part dimensions. This results in a considerable degradation of the mechanical properties of about 30%, persisting despite the optimization of the forming proce

Glass is one of the oldest materials of mankind with the oldest specimen dating back to 5000 BC. Interestingly, despite its age, the techniques for shaping glass have seen little progress within the last five centuries. Recent key achievements in three-dimensional printing has opened the door to the

RECYCAL project aims at understanding and modeling the damage mechanisms operating in recycled aluminium alloys when loaded in plane strain mode. In comparison with reference alloys currently used in transport and packaging sectors, these alloys have a higher content in impurities, especially iron,

The improvement of the durability properties of metal parts is a major issue for many industrial sectors, such as aeronautics, aerospace, military, etc. To meet this criterion, a fine and homogeneous microstructure is often required. Powder metallurgy techniques, typically pressure-assisted sinterin

The DYNAMELT project proposes an experimental and numerical study of the melting dynamics in multiphase, eutectic and peritectic alloys (multiphase melting). It aims at a first comprehensive investigation of pattern formation and microstructure selection during melting and melting/solidification (M/

The ENBRUNI project is in line with the current challenges of French and European research by being at the interface of several fields structuring the action plan of the APP ANR 2023. The team is composed of three UMRs and one UAR in the humanities and materials sciences, and is associated with prof

The objective of this pathfinder and interdisciplinary MIRACLES project is to draw on the knowledge inferred from bi-crystalline plasticity in face-centered cubic metals (bi-crystallography, slip/grain boundary interactions) in order to guide by geometrical analogues the manufacturing of new tailore

CADOR project aims at developing a new generation of neutrons detectors (NDs) based on the highly stable carbide heterostructure boron carbide (BxC)/silicon carbide (SiC). In such devices, the few µm thick BxC layer will serve as thermal neutrons converter for the 4H-SiC based semiconductor detector

The X-LOSM project aims to produce a new generation of Bragg dielectric mirrors with extremely low optical losses to be used in Fabry-Perot cavities for frontier optical experiments. Thanks to outstanding polishing capability, the main source of optical losses in the mirrors is now the point defects

The HEBUTERNE project is linked to the development of nuclear fusion for energy production. In tokamaks, the walls of the plasma chamber will be subjected to extreme operating conditions. In particular, the tungsten chosen to cover a critical component of the machine will be exposed to a high flux o

The DoREMI project offers to explore a new class of refractory complex concentrated alloys (RCCAs) with eutectic microstructures for structural applications in extreme temperature conditions. RCCAs are designed using a new alloying concept based on "high entropy" and the mixing of refractory element

The fatigue life of structural alloys can vary over several orders of magnitude under identical loading conditions. This dispersion can be largely attributed to the variability inherent at the material microstructure. Indeed, fatigue damage proceeds from the accumulation of localized plastic strain

The main objective of CHATOFOR is to develop new transparent chalcogenide ceramics for infrared optical applications, starting from known glass-forming system including Sn-Ge-S, Sn-Ge-Se and Ba-Ga-Ge-S. This will be achieved by employing full crystallization of chalcogenide glasses. This innovative

Refrigeration systems used in our daily lives (air conditioners, refrigerators...) consumed up to 20% of the global electricity production in 2019 and are responsible for 8% of global greenhouse gas emissions. Alternatives are therefore actively sought, in particular through the compression of solid

The hexagonal 2H crystal phases of SixGe(1-x), with their direct band gap, are on the verge of revolutionizing the optoelectronic industry by providing the holy grail: an efficient light emitter compatible with the Silicon platform. Our previous studies have used phase transformation or core/shell n

The aim of the project is to explore the advanced 3D fabrication of Multimaterial integrated Optical Components (3D-MOC) assisted by laser irradiation and chemical etching, by exploiting the interplay between photochemistry and direct laser inscription in photosensitive glass materials. We want to d

MAX phases are compounds with Mn+1AXn stoichiometry, where M is an early transition metal, A is an element of groups 12 to 16 and X is carbon or nitrogen. They have attracted a particular attention due to their combination of both metallic and ceramic properties. Several MAX phases also exhibit a go

Stepwise construction of inorganic solids with precise control of its atomic-scale structural arrangements is one of major challenges in solid-state chemistry. A possible approach to achieve this goal is to develop a toolbox for cutting chemical bond only between targeted atoms retaining other struc

The objective of SURFMET is to optimize the functionalization of metal alloy surfaces by micropatterns obtained by magneto-electrodeposition in order to improve heat transfer while maintaining a good durability under shear and corrosion in aqueous media. More specifically, we are interested in t

Tandem catalysis is a key element in the development of more sustainable processes in many areas, including biomass upgrading. Indeed, thanks to tandem catalysis, an organic synthesis can be achieved in a single step by the synergistic use of a combination of catalysts. In this way, complex molecule

The recent observation of superconductivity in thin films of infinite layer nickelates has finally given a happy outcome to more than twenty years of sustained experimental efforts devoted to mimicking the hallmarks of cuprates superconductivity. This discovery has established the nickelates as the

Metallic materials are major components at every level of hydrogen usage, namely production, transportation and storage. The aim of this project is to deepen the knowledge on atomic scale interactions between hydrogen and crystalline defects or carbides in steels. The topic is of high importance as

The next generation of micro-/nano-technologies to fabricate microelectronic, photonic, MEMS/NEMS components require processes that operate in 3D, are flexible, fast, parallel, and minimize waste of elements which sourcing is environmentally costly. However, most of the conventional micro-fabricatio

At first sight there is limited room for steel recycling improvement as the recycling rate is already quite high (90%). However, this rate does not account for downcycling aspects. Indeed, recycling a material does not mean that its application is as prestigious as originally. New alloys are thus pr

Industrial processes such as additive manufacturing, welding, or casting require a detailed understanding of the thermophysical properties of liquid metals (density, surface tension, heat capacity, viscosity). Currently, such data are scarce above 1,500 °C, limiting the predictive capabilities of nu

The aim of this project is to find in wide bandgap semiconductors (SiC, AlN, and GaN) coherent quantum bits that could be complements/alternatives to the well-known NV center in diamond for quantum sensing, computing. We will use Swift Heavy Ion (SHI) irradiation to create and/or activate point defe

Super-plasticity is a state where a material exhibits an extremely large (> 400%) neck-free elongation prior to failure. Such an extreme solid-state flow is highly beneficial for forming applications but also dramatic if defects coupled with super-plastic mechanisms trigger brutal plastic instabilit

HighFive is a fundamental research project which aims to decipher glass crystallisation processes in functional oxide (glass-)ceramics by new state-of-the-art high-temperature in-situ techniques. Bulk oxide glasses will be synthesised by advanced containerless melt-quenching on a new second-generati

Degradation mechanisms such as creep and fracture are linked to capillary effects in multiscale porous and granular materials such as cement paste, clays, geopolymers, soil etc. To better understand these processes, we need to understand how adsorption impacts the mechanical behavior of the adsorben

The aim of the "APR2-POWDER" project is to provide solutions to major industrial challenges encountered in the field of laser powder bed fusion (L-PBF) additive manufacturing. These challenges include the storage of reactive powders such as aluminium and the recycling of powders after laser melting.

The objective of Photosurf2D is to design new structured hybrid coatings demonstrating a photoactivity. Layered double hydroxides (LDH) were selected to support photosensitizers (PS) mainly considering their exchange properties but also for their intrinsic photocatalytic properties. The originality

Due to high critical scarcity for doped semiconductor indium-tin-oxide (ITO), new transparent conducting oxides (TCOs) need to be developed. Recently, new TCOs have been discovered based on strongly correlated electron SrVO3 and CaVO3 phases. These compounds belong to the very rich perovskite family

Selective optical sensors represent a growing societal need for health control, environmental monitoring, industrial process control security, defense, and so on. In this context, Surf-GLASS-IR propose to explore an electro-activation for the control of surface chemistry on optical materials for the

The CASiBIO project aims to develop porous Ni(Ru)/SiCxOy catalytic ceramics for dry methane reforming and CO2 methanation reactions, two key reactions in the energy field for which catalyst stability is the main issue.The Polymer Impregnation Pyrolysis (PIP) process is selected to synthesise these o

This project aims at establishing post-processing methods for a better understanding of the mechanical and fracture behaviour of nacre-like ceramic composites. These methods will couple two full-field measurement approaches, namely Raman spectroscopy for local stress field measurement and digital im