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Intermetallic compounds and hybrid materials

The activities of the group encompass three axes:


The synthesis and characterization of M(1a, 2a, 4f)-T(d)-X(= Si-Pb, Ga, In) composites, compounds that are both new and original: on the one hand because of their specific properties, and on the other hand because of the optimization of these properties

The Group works mainly on families of ternary components. These materials associate a lanthanide (rare earth) and a magnetogenic transition metal and are of both fundamental (magnetic structures, intermediary valencies etc.) and applied (permanent magnets, magneto-resistant reading heads, sensors) interest.

The need to explain the experimental results, to conceive of new materials and to modify the properties of existing materials resulted in the development of calculations of electronic structures by the KKR, KKRCPA and FP-L/APW+lo methods.


Magneto-refrigerating materials

Magnetic refrigeration is indubitably the most promising innovative applied pathway for M-T-X composites, especially those based on manganese.

The essential objective is to identify the materials with a high magneto-calorific power in the neighborhood of room temperature.


Hybrid organic-inorganic crystalline materials in which the inorganic component, seat of the magnetism, adopts a low dimension: 2D sheets or 1D chains

These inorganic "objects" are linked together in a solid by the intermediary of functionalized organic molecules (dicarboxylates), hence these materials belong to the ‘Metal Organic Framework’ (MOF) family.

In a more general fashion, these hybrid materials are destined to formulate new multifunctional systems with adaptable properties, notably such as materials with magneto-optical properties.


The "Intermetallic Composites and Hybrid Materials" group is currently based in the premises of the Faculty of Science and Technology in Vandœuvre-lès-Nancy. 

The group is composed of 5 researchers and lecturers and currently hosts 3 PhD students and post-doctoral fellows.

Group leader: Thomas MAZET