Synergistic effects of electrical and optical excitations on TiO2 resistive device
Mao Qi1, 2, †, Lin Wei-Jian1, Zhu Ke-Jian1, Meng Yang1, 2, Zhao Hong-Wu1, 2, ‡
       

(color online) Photoconductive responses of devices A and B in the HRS/LRS for periodic cycles of optical illumination. The bias is −0.5 V and time interval is 10 s.