1. Institute for Superconducting and Electronic Materials, Australian Institute of Innovative Materials, University of Wollongong, Innovation Campus, Squires Way, North Wollongong, New South Wales 2500, Australia
2. Center for High Pressure Science and Technology Advanced Research, 1690 Cailun Rd. Pudong, Shanghai 201203, People's Republic of China
3. The Advanced Light Source, Lawrence Berkeley National Laboratory, 1 Cyclotron Rd, MS 80R0114, Berkeley, California 94720, USA
4. The Australian Nuclear Science and Technology Organization (ANSTO), Bragg Institute, Lucas Heights, New South Wales 2234, Australia