State Key Laboratory of ASIC and System Institute of Intelligent Electronics and Systems of Microelectronics University 200433’s Republic of China;
School of Opto‑Electronic Information and Computer Engineering of Shanghai for Science and Technology 200093’s Republic of China;
State Key Laboratory of Metal Matrix Composites of Material Science and Engineering Jiao Tong University 200240’s Republic of China;
Noble metal; BIMETAL; Semiconducting metal oxide; Chemiresistive gas sensor; Electronic sensitization; Chemical sensitization;