1. Department
of Organic and Inorganic Chemistry, University of Oviedo-CINN, 33006 Oviedo, Spain
2. Nanotechnology
Education and Research Center, South Ural State University, 454080 Chelyabinsk, Russia
3. Instituto
de Ciencia de Materiales de Madrid, CSIC, Sor Juana Inés de la Cruz
3, Cantoblanco, 28049 Madrid, Spain
4. Spanish CRG BM25 SpLine Beamline at the ESRF, 71 Avenue de Martyrs, F-38043 Grenoble, France
5. Department
of Materials Science and Metallurgical Engineering, University of Oviedo, Campus Universitario, 33203 Gijón, Spain
6. Department
of Chemical and Environmental Engineering, University of Oviedo, 33006 Oviedo, Spain
7. Instituto
Nacional del Carbón, INCAR-CSIC, Apartado 73, 33080 Oviedo, Spain