1. International Research Centre in Critical Raw Materials-ICCRAM Universidad de Burgos; Plaza Misael Banuelos s/n 09001 Burgos Spain
2. Advanced Materials, Nuclear Technology and Applied Bio/Nanotechnology. Consolidated Research Unit UIC-154. Castilla y Leon. Spain University of Burgos; Hospital del Rey s/n 09001 Burgos Spain
3. Department of Chemistry and Pharmacy University of Sassari; Via Vienna 2 I-07100 Sassari Italy
4. Instituto de Ciencia de Materiales de Madrid, CSIC; c/Sor Juana Inés de la Cruz, 3 Cantoblanco 28049 Madrid Spain