cond-mat.supr-con
Magnetic field sorting of superconducting graphite particles with T$_c$$>$400K
Manuel Núñez-Regueiro Thibaut Devillers Eric Beaugnon Armand de Marles Thierry Crozes Sébastien Pairis Christopher Swale Holger Klein Olivier Leynaud Abdelali Hadj-Azzem Frédéric Gay Didier Dufeu