1. Departament de Física de la Matèria Condensada Facultat de Física Martí i Franquès 1, Universitat de Barcelona Barcelona Catalonia 08028 Spain
2. Department of Chemistry and Biochemistry Florida State University Tallahassee FL 32306 USA
3. School of Materials Science and Engineering University of Science and Technology Beijing Beijing 100083 P. R. China
4. Department of Chemistry Faculty of Science Ankara University Ankara 06100 Turkey
5. G. W. Brackenridge High School San Antonio TX 78210 USA
6. Grup de Caracterització de Materials Departament de Física EEBE and Barcelona Research Center in Multiscale Science and Engineering Universitat Politècnica de Catalunya Eduard Maristany, 10‐14 Barcelona Catalonia 08019 Spain
7. National High Magnetic Field Laboratory Tallahassee FL 32310 USA
8. Department of Engineering Physics Faculty of Engineering Ankara University Ankara 06100 Turkey
9. CELLS‐ALBA Synchrotron Cerdanyola del Vallès Catalonia E‐08290 Spain