1. Intelligent Advanced Materials, Department of Biological and Chemical Engineering and iNANO, Aarhus University, Aarhus C 8000, Denmark
2. State Key Laboratory of Rare Metals Separation and Comprehensive Utilization, Guangdong Provincial Key Laboratory of Rare Earth Development and Application, Institute of Resources Utilization and Rare Earth Development, Guangdong Academy of Sciences, Guangzhou 510651, China
3. IMRB, Université Paris Est Créteil, INSERM U955, CNRS, EMR 7000, 94010 Créteil, France
4. Laboratoire de Physique de la Matière Condensée, Ecole Polytechnique, CNRS, IP Paris, 91128 Palaiseau, France
5. Department of Physics, Umeå University, Linnaeus väg 24, 901 87 Umeå, Sweden