1. Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada.
2. Quantum Matter Institute, University of British Columbia, Vancouver, British Columbia V6T 1Z4, Canada.
3. Max Planck Institute for Solid State Research, Heisenbergstrasse 1, D-70569 Stuttgart, Germany.
4. Quantum Materials Program, Canadian Institute for Advanced Research, Toronto, Ontario M5G 1Z8, Canada.
5. School of Physics and Astronomy, University of Minnesota, Minneapolis, MN 55455, USA.
6. Canadian Light Source, Saskatoon, Saskatchewan S7N 2V3, Canada.
7. Helmholtz-Zentrum Berlin für Materialien und Energie, Albert-Einstein-Strasse 15, D-12489 Berlin, Germany.
8. Center for Nanophysics and Advanced Materials, University of Maryland, College Park, MD 20742, USA.
9. Institut für Festkörperphysik, Karlsruher Institut für Technologie, 76201 Karlsruhe, Germany.