1. WestCHEM, School of Chemistry, University of Glasgow, Glasgow G12 8QQ, U.K.
2. EPSRC National UK EPR Facility, School of Chemistry and
Photon Science Institute, The University of Manchester, Manchester M13 9PL, U.K.
3. MALTA-Consolider
Team, Dpt. Física Aplicada, Facultad de Ciencias, Universidad de Cantabria, Av los Castros s/n, 39005 Santander, Spain
4. Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, U.K.
5. Institut Néel, CNRS, Nanosciences Department, BP 166, 25 rue des Martyrs, 38042 Grenoble Cedex 9, France
6. Laboratory for Neutron Scattering and Imaging, Paul Scherrer Institut, CH-5232 Villigen, Switzerland