Fig. 2.
Characteristics of SRMs. a Typical DC I–V curves of traditional memristors. Reprinted from [32], with permission of Springer Nature. b DC I–V curves of the SRMs based on the structure of Pt/HfO2/TaOx/Ta. Reproduced from [17], Copyright 2023 American Association for the Advancement of Science. c Schematic diagram of the sneak path in the crossbar array consisting of SRMs based on Au/h-BN/Graphene/h-BN/Ag van der Waals heterojunction. Reprinted from [31], Copyright 2024 American Physical Society. The common d 1/2, e 1/3, and f 1/4 voltage scheme when programming SRM cells in the passive crossbar array. The blue cell denotes the selected SRM cell (ideal cell), the pink cells denote the partially selected SRM cells (nonideal cells), and the gray cells denote the unselected SRM cells (nonideal cells)