1. Institut quantique and Département de physique, Université de Sherbrooke, Sherbrooke, QC J1K 2R1, Canada
2. Institut Interdisciplinaire d’Innovation Technologique (3iT), Laboratoire Nanotechnologies Nanosystèmes (LN2) - CNRS IRL-3463 and Département de génie électrique et génie informatique, Université de Sherbrooke, Sherbrooke J1K 2R1, Canada
3. Department of Physics, University of Toronto, Toronto, Ontario M5S 1A7, Canada
4. Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14853, United States
5. Department of Materials Science and Engineering, University of Tennessee, Knoxville, Tennessee 37996, United States
6. Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
7. Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, United States
8. Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
9. National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan