a
School of Chemistry and Centre for Science at Extreme Conditions, The University of Edinburgh, King's Buildings, West Mains Road, Edinburgh, UK
E-mail: c.r.pulham@ed.ac.uk
;
Fax: +44 (0)131 650 4743
;
Tel: +44 (0)131 650 4756
b
ISIS Neutron and Muon Facility, STFC Rutherford Appleton Laboratory, Harwell Science and Innovation Campus, Didcot, UK
E-mail: w.g.marshall@rl.ac.uk
c
Synchrotron Radiation Source, STFC Daresbury Laboratory, Warrington, UK
d
Defence Science and Technology Laboratory, Fort Halstead, Sevenoaks, UK