1. Institute for Solid State Physics, University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8581, Japan
2. Department of Electronic Engineering, East China Normal University, Dongchuan Road 500, Shanghai 200062, China
3. AIST-UTokyo Advanced Operando-Measurement Technology Open Innovation Laboratory (OPERANDO-OIL), University of Tokyo, Kashiwanoha, Kashiwa, Chiba 277-8589, Japan