1. Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford OX1 3TA, United Kingdom
2. Centre for Advanced ESR, Inorganic Chemistry Laboratory, Department of Chemistry, University of Oxford, South Parks Road, Oxford OX1 3QR, United Kingdom
3. Department of Materials, University of Oxford, Parks Road, Oxford OX1 3PH, United Kingdom
4. Department of Chemistry, CICECO − Aveiro Institute of Materials, University of Aveiro, Aveiro 3810-193, Portugal