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R&D Superconductors high temperature

Research and Development on HTc superconductors

The interest of high Tc superconductors (HTS) for LNCMI lies primarily in the fact that they can carry at very low temperatures (below 20 K) high current without Joule heating in a very strong magnetic field. High Tc superconductors open up perspectives for the generation of magnetic fields between 25 and 50T, unimaginable by using low Tc materials such as NbTi and Nb3Sn.

The objective of the “HTS development” activity at LNCMI is the search for the HTc superconductor most suitable for fabricating high-field magnets and the development of the related magnet technology to design and to test in the medium-term HTS inserts in a large magnetic field background.

The added value of LNCMI is measurements which can currently not be done in other laboratories, i.e. the characterization under strong magnetic fields until 20 T, in 115 mm useful diameter of conductors and coils (cryostat of a 20 T field bore of 170 mm).

Sample holder for measurements at 4.2 K of “long” (10 cm) straight samples and model HTS coils.

 

Members of the laboratory involved : Xavier ChaudFrançois Debray, Julien Marpaud

In collaboration with : Benjamin Vincent, CRETA, Julien Vialle, Institut Néel, Pascal Tixador, G2Elab/IN, Jean-Michel Rey, Thibault Lecrevisse, CEA

 

 

 

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