Overview
ABSTRACT
The insertion of a light element such as hydrogen, carbon or nitrogen in alloys with rare earth and transition metals drastically improves the intrinsic magnetic properties of these materials. As for extrinsic magnetic properties, they are optimised by the elaboration of nanomaterials leading to new advancements in magnetic characteristics.
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Lotfi BESSAIS : Professeur des Universités ICMPE, UMR 7182, CNRS – Université Paris 12
INTRODUCTION
The intrinsic magnetic properties of rare-earth and transition metal materials are considerably enhanced by the insertion of a light element such as hydrogen, carbon or nitrogen. Extrinsic magnetic properties, meanwhile, are optimized by the development of nanomaterials, revealing new phases with high-performance characteristics.
The insertion of a light element such as the hydrogen, the carbon or the nitrogen in alloys with rare earth and transition metals drastically improves the intrinsic magnetic properties of these materials. With the aim of optimizing the extrinsic magnetic properties, the elaboration of nanomaterials leads to new phases in the successful magnetic characteristics.
magnetic nanomaterials, magnetic recording, permanent magnets
nanomagnetic materials, recoding media, permanent magnets
Sector: Energy
Degree of technology diffusion: Emergence | Growth | Maturity
Technologies involved: permanent magnets, hybrid motors
Applications: wind turbines, magnetic refrigeration
Main French players :
Centers of expertise: CNRS ICMPE laboratory and Institut Néel, ENS Cachan, Dumaïne University condensed matter laboratory
Other global players: Toyota, Airbus
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Magnetically hard intermetallic insertion components
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