Abstract:The binary oxide based resistive memories showing superior electrical performances on the resistive switching are reviewed in this paper. The status and challenges of the HfO X based resistive device with excellent memory properties are presented. Several future challenges for the filamentary type switching device are also addressed.
Section: Application Examples and Resultsmentioning
confidence: 99%
“…Both ES and the fault diagnosis method based on tFRSN P systems (FDM-tFRSNP) can make full use of experts' knowledge. The differences are: an ES needs long response time and the maintenance of its knowledge base is difficult [18]; FDMtFRSNP possesses parallel reasoning ability and adopt graphical knowledge representation and reasoning, which can avoid the main limitation of ES.…”
Section: Discussionmentioning
confidence: 99%
“…FST is an effective way to represent uncertain information but the definition of membership function is a hard job [18]. The FST-based method and FDM-tFRSNP both possess the ability to deal with uncertain information of protective devices.…”
This paper discusses the application of fuzzy reasoning spiking neural P systems with trapezoidal fuzzy numbers (tFRSN P systems) to fault diagnosis of power systems, where a matrix-based fuzzy reasoning algorithm based on the dynamic firing mechanism of neurons is used to develop the inference ability of tFRSN P systems from classical reasoning to fuzzy reasoning. Some case studies show the effectiveness of the presented method. We also briefly draw comparisons between the presented method and several main fault diagnosis approaches from the perspectives of knowledge representation and inference process.
Section: Application Examples and Resultsmentioning
confidence: 99%
“…Both ES and the fault diagnosis method based on tFRSN P systems (FDM-tFRSNP) can make full use of experts' knowledge. The differences are: an ES needs long response time and the maintenance of its knowledge base is difficult [18]; FDMtFRSNP possesses parallel reasoning ability and adopt graphical knowledge representation and reasoning, which can avoid the main limitation of ES.…”
Section: Discussionmentioning
confidence: 99%
“…FST is an effective way to represent uncertain information but the definition of membership function is a hard job [18]. The FST-based method and FDM-tFRSNP both possess the ability to deal with uncertain information of protective devices.…”
This paper discusses the application of fuzzy reasoning spiking neural P systems with trapezoidal fuzzy numbers (tFRSN P systems) to fault diagnosis of power systems, where a matrix-based fuzzy reasoning algorithm based on the dynamic firing mechanism of neurons is used to develop the inference ability of tFRSN P systems from classical reasoning to fuzzy reasoning. Some case studies show the effectiveness of the presented method. We also briefly draw comparisons between the presented method and several main fault diagnosis approaches from the perspectives of knowledge representation and inference process.
“…This is due to the different ReRAM geometries and to the large variability of the cells utilized for the demonstrator. Nevertheless, improved variability of one order of magnitude has been demonstrated for ReRAM prototypes fabricated with industrial methods [26].…”
Memristive devices have the potential for a complete renewal of the electron devices landscape, including memory, logic and sensing applications. This is especially true when considering that the memristive functionality is not limited to two-terminal devices, whose practical realization has been demonstrated within a broad range of different technologies. For electron devices, the memristive functionality can be generally attributed to a state modification, whose dynamics can be engineered to target a specific application. In this review paper, we show examples of two-terminal Resistive RAMs (ReRAM) for standalone memory and Field Programmable Gate Arrays (FPGA) applications. Moreover, a Generic Memory Structure (GMS) utilizing two ReRAMs for 3D-FPGA is discussed. In addition, we show that trap charging dynamics can explain some of the memristive effects previously reported for Schottky-barrier field-effect Si nanowire transistors (SB SiNW FETs). Moreover, the SB SiNW FETs do show additional memristive functionality due to trap charging at the metal/semiconductor surface. The combination of these two memristive effects into multi-terminal MOSFET devices gives rise to new opportunities for both memory and logic applications as well as new sensors based on the physical mechanism that originate memristance. Finally, the multi-terminal memristive devices presented here have the potential of a very high integration density, and they are suitable for hybrid CMOS co-fabrication with a CMOS-compatible process.
“…RRAM has received significant attention due to its high scalability, fast write/erase operation, low power consumption and relatively simple fabrication process compared with conventional Flash technology [1,2]. Although the switching characteristics have been explained by many theories, the switching mechanisms are still not fully understood, the most problematic step is the electroforming process of these metal oxide resistive switching (RS) materials [3].…”
Abstract. The forming process and SET-RESET mechanism of Pt/TiO2/Al resistive random access memory (RRAM) are investigated. Forming process was implemented by consecutive voltage sweep instead of one-step operation. After forming process, bidirectional self-rectifying characteristics was exhibited. In following SET and RESET operation with ±3V bias, this device can be used as a selector-less device without additional process steps. The characteristics of normal resistive switching is explained by analytical model and verified through simulation.
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