Highly sustainable mechanical/electrical resistance switching behaviors via one-dimensional Ag/TiO2 core-shell resistive switchable materials in flexible composite

Title
Highly sustainable mechanical/electrical resistance switching behaviors via one-dimensional Ag/TiO2 core-shell resistive switchable materials in flexible composite
Authors
이상수박종혁김민성김영진신근영전우진
Keywords
Resistance switching random access memory; Resistance switching filler; Flexible; Nano-composite ReRAM; Uniformity; Reliability
Issue Date
2021-01
Publisher
Organic electronics
Citation
VOL 88, 105968
Abstract
Composite-based resistance switching random access memory (ReRAM) has great potential for application in flexible and wearable electronics. However, its large operating parameters and low reliability still have some limitations in realizing practical applications, which is derived from its high dependence on the orientation and dispersion of the filler in the composite layer. Here, we proposed a novel composite system that does not depend heavily on the orientation or dispersion of the fillers within the composite film of the ReRAM device. The AgNW/TiO2 core-shell nanowires inducing superb resistance switching behavior were fabricated. The composite resistance switching (RS) film was prepared by mixing the one-dimensional core-shell particles and poly (vinyl alcohol) (PVA) dielectric matrix. The composite RS film exhibited remarkable resistance switching behavior with extremely low/uniform operating voltage (Vset ~ 0.13 ± 0.013 V, and Vreset ~ − 0.10 ± 0.012 V), and the reliable switching behavior was maintained for up to ~200,000 mechanical deformation cycles under 3 mm of bending radius. To evaluate the resistance switching mechanism of the composite-type ReRAM, the structural analysis and device modeling were performed.
URI
http://pubs.kist.re.kr/handle/201004/71962
ISSN
1566-1199
Appears in Collections:
KIST Publication > Article
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