Characteristic modification by inserted metal layer and interface graphene layer in ZnO-based resistive switching structures Project supported by the National Natural Science Foundation of China (Grant Nos. 51002010 and 11274040). |
(color online) Diagrams of RS structures. (a): Ag/ZnO/TiN structure; (b): SEM morphology of its cross section; (c): Ag/ZnO/Zn/ZnO/TiN structure; (d): Ag/graphene/ZnO/TiN structure. |