1. Shenzhen International Graduate SchoolTsinghua University Shenzhen 518055 China
2. School of Materials Science and EngineeringTsinghua University Beijing 100084 China
3. Shenzhen HUASUAN Technology Co. Ltd Shenzhen 518055 China
4. Tsinghua‐ Berkeley Shenzhen InstituteTsinghua University Shenzhen 518055 China