1. School of Materials Science and EngineeringBeihang University Beijing 100191 China
2. Shenzhen Geim Graphene Center and Low‐Dimensional Materials and Devices LaboratoryTsinghua‐Berkeley Shenzhen InstituteTsinghua University Shenzhen 518055 China
3. State Key Laboratory of Organic–Inorganic CompositesBeijing Key Laboratory of Electro‐chemical Process and Technology for MaterialsBeijing University of Chemical Technology Beijing 100029 China
4. National Synchrotron Radiation LaboratoryUniversity of Science and Technology of China Hefei 230029 China
5. School of Physics and BUAA‐UOW Joint Research CentreBeihang University Beijing 100191 China
6. Institute for Superconducting and Electronic MaterialsAustralian Institute for Innovative MaterialsUniversity of Wollongong Wollongong 2500 Australia
7. Center for High Pressure ScienceState Key Laboratory of Metastable Materials Science and TechnologyYanshan University Qinhuangdao 066004 China