RT Generic T1 Rare earth-free permanent magnet alternative: Coercivity development in Sr-ferrite powder and successful recycling case A1 M. Villanueva, A2 Universidad Autónoma de Madrid, YR 2017 FD 2017-07-01 LK http://hdl.handle.net/20.500.12614/3083 UL http://hdl.handle.net/20.500.12614/3083 LA en DS Repositorio institucional de IMDEA Nanociencia RD 29 abr. 2026