1. CSIRO Manufacturing, 36 Bradfield Road, Lindfield, New South Wales 2070, Australia
2. Department of Physics and Astronomy, Macquarie University, Sydney, New South Wales 2109, Australia
3. School of Mechanical and Manufacturing Engineering, University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia
4. Max-Planck-Institut für Eisenforschung GmbH, Max-Planck-Straße 1, D-40237 Düsseldorf, Germany
5. L-NESS and Dipartimento di Fisica, Politecnico di Milano, via Anzani 42, 22100 Como, Italy
6. L-NESS and Department of Materials Science, Università di Milano-Bicocca, via Cozzi 55, 20125 Milano, Italy
7. School of Materials Science and Engineering, University of New South Wales (UNSW, Sydney), Sydney, NSW 2052, Australia