Coexistence of unipolar and bipolar modes in Ag/ZnO/Pt resistive switching memory with oxygen-vacancy and metal-Ag filaments
Ma Han-Lu, Wang Zhong-Qiang†, , Xu Hai-Yang‡, , Zhang Lei, Zhao Xiao-Ning, Han Man-Shu, Ma Jian-Gang, Liu Yi-Chun
       

Retention characteristics of the URS and BRS modes at room temperature.