John D. Worth1,2, Annela M. Seddon3, Valeska P. Ting1,4 and Charl F. J. Faul2,*
1 Bristol Composites Institute, School of Civil, Aerospace and Mechanical Engineering, University of Bristol, University Walk, Bristol, BS8 1TR UK
2 School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS UK
3 School of Physics, HH Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol, BS8 1QU UK
4 College of Engineering, Computing and Cybernetics, Australian National University, Canberra, ACT 2601 Australia