Effects of a Nb nanopin electrode on the resistive random-access memory switching characteristics of NiO thin films

Nanoscale ◽  
2018 ◽  
Vol 10 (28) ◽  
pp. 13443-13448 ◽  
Author(s):  
Yoonho Ahn ◽  
Hyun Wook Shin ◽  
Tae Hoon Lee ◽  
Woo-Hee Kim ◽  
Jong Yeog Son

We report the effects of bottom electrode shapes on resistive random-access memory (RRAM) devices composed of Nb (bottom electrode)/NiO (dielectric)/Nb (top electrode) structures.

2015 ◽  
Vol 103 ◽  
pp. 190-194 ◽  
Author(s):  
Fun-Tat Chin ◽  
Yu-Hsien Lin ◽  
Wen-Luh Yang ◽  
Chin-Hsuan Liao ◽  
Li-Min Lin ◽  
...  

2011 ◽  
Vol 1292 ◽  
Author(s):  
Jung Won Seo ◽  
Seung Jae Baik ◽  
Sang Jung Kang ◽  
Koeng Su Lim

ABSTRACTThis report covers the resistive switching characteristics of cross-bar type semi-transparent (or see-through) resistive random access memory (RRAM) devices based on ZnO. In order to evaluate the transmittance of the devices, we designed the memory array with various electrode sizes and spaces between the electrodes. To prevent read disturbance problems due to sneak currents, we employed a metal oxide based p-NiO/n-ZnO diode structure, which exhibited good rectifying characteristics and high forward current density. Based on these results, we found that the combined metal oxide diode/RRAM device could be promising candidate with suppressed read disturbances of cross-bar type ZnO RRAM device.


Electronics ◽  
2020 ◽  
Vol 9 (12) ◽  
pp. 2098
Author(s):  
Xiaojuan Lian ◽  
Xinyi Shen ◽  
Jinke Fu ◽  
Zhixuan Gao ◽  
Xiang Wan ◽  
...  

Utilizing electronic devices to emulate biological synapses for the construction of artificial neural networks has provided a feasible research approach for the future development of artificial intelligence systems. Until now, different kinds of electronic devices have been proposed in the realization of biological synapse functions. However, the device stability and the power consumption are major challenges for future industrialization applications. Herein, an electronic synapse of MXene/SiO2 structure-based resistive random-access memory (RRAM) devices has been designed and fabricated by taking advantage of the desirable properties of SiO2 and 2D MXene material. The proposed RRAM devices, Ag/MXene/SiO2/Pt, exhibit the resistance switching characteristics where both the volatile and nonvolatile behaviors coexist in a single device. These intriguing features of the Ag/MXene/SiO2/Pt devices make them more applicable for emulating biological synaptic plasticity. Additionally, the conductive mechanisms of the Ag/MXene/SiO2/Pt RRAM devices have been discussed on the basis of our experimental results.


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