1. School of Mechanical and Aerospace EngineeringNanyang Technological University Singapore 639798 Singapore
2. Catalysis Theory CenterDepartment of PhysicsTechnical University of Denmark Lyngby 2820 Denmark
3. Institute of Materials Research and EngineeringAgency for ScienceTechnology and Research (A*STAR) 2 Fusionopolis Way, Innovis Singapore 138634 Singapore
4. Ningbo Institute of Material Technology and EngineeringChinese Academy of Sciences Ningbo 315201 China
5. School of MaterialsSun Yat‐sen University Guangzhou 510275 China
6. Centre for Micro‐/Nano‐electronics (NOVITAS)School of Electrical and Electronic EngineeringNanyang Technological University Singapore 639798 Singapore
7. CINTRA CNRS/NTU/THALES UMI 3288, Research Techno Plaza Singapore 637553 Singapore