Built‐In‐Homojunction‐Dominated Intrinsically Rectifying‐Resistive Switching in NiO Nanodots for Selection‐Device‐Free Memory Application. - Sun, Zhong; Wei, Linlin; Feng, Ce; Miao, Peixian; Guo, Meiqi; Yang, Huaixin; Li, Jianqi; Zhao, Yonggang (Advanced Electronic Materials, 2017)