Optimal migration path of Ag in HfO<sub>2</sub>: A first-principles study<xref ref-type="fn" rid="cpb150128fn1">*</xref>

Optimal migration path of Ag in HfO₂: A first-principles study*

Dai Yue-Hua†^a), Chen Zhen^a), Jin Bo^a), Li Ning^a), Li Xiao-Feng^b)

Schematic diagram of the transmission path of Ag and sandwich structure in a HfO₂-based ReRAM. For HfO₂ slab, smaller balls represent the O atoms, bigger balls denote the Hf atoms.