1. Hubei Key Laboratory for Processing and Application of Catalytic Materials College of Chemistry and Chemical Engineering Huanggang Normal University Huanggang 438000 P. R. China
2. Institute for Superconducting and Electronic Materials School of Mechanical, Materials, Mechatronic and Bio‐medical Engineering University of Wollongong NSW 2500 Australia
3. Guangxi Key Laboratory of Low Carbon Energy Materials School of Chemistry and Pharmaceutical Sciences Guangxi Normal University Guilin 541004 P. R. China
4. Australian Centre for Neutron Scattering Australian Nuclear Science and Technology Organization Locked Bag 2001 Kirrawee DC, NSW 2232 Australia