Mechanisms of Ion Transport in Amorphous and Nanostructured Materials

Roling, Bernhard

doi:10.1002/0470095067.ch10

Cited by 2 publications

(1 citation statement)

References 71 publications

(125 reference statements)

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“…In humid environments, or in immersion, water uptake has a plasticizing effect which leads to a T g -depression: typically 10 • C [7] to 20 • C [8] per percent of water uptake in polyepoxies. An initially glassy polymer coating may therefore be brought to the rubbery state as a consequence of water uptake, which has great implications on its mechanical (the modulus decreases [9]) and electrical properties (ionic conductivity generally increases [10]). The glass transition may also be expected to influence the diffusion of water molecules in the polymer.…”

Section: Introductionmentioning

confidence: 99%

In situ study of the temperature activated kinetics of water sorption in an epoxy varnish

Roggero

Caussé

Dantras

et al. 2021

Polymer

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Section: Introductionmentioning

confidence: 99%

In situ study of the temperature activated kinetics of water sorption in an epoxy varnish

Roggero

Caussé

Dantras

et al. 2021

Polymer

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Light‐Mediated Multi‐Level Flexible Copper Iodide Resistive Random Access Memory for Forming‐Free, Ultra‐Low Power Data Storage Application

Mishra

Mokurala

Kumar

et al. 2022

Adv Funct Materials

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This study demonstrates the efficacy of an emerging p-type copper iodide (CuI) semiconductor in a flexible, low-voltage resistive random-access memory (RRAM), which can be readily integrated with metal-oxide n-type counterparts for complementary circuit systems. Herein, CuI RRAM devices are implemented via a room-temperature solid iodination process, exhibiting a consistent On/Off ratio (≈10 4 ), excellent endurance of more than ≈10 3 cycles, together with a long retention period (> 5 × 10 4 s). Furthermore, a scheme of light-mediated multi-level data storage is demonstrated using blue light illumination (λ = 455 nm), to exploit possible photonic memristive functionality through notable photo-response of CuI. In addition, the current conduction and resistive switching behaviors are systematically studied via low-temperature measurements from 203 to 343 K, validating thermal stability and the governing key switching mechanism in CuI RRAM devices. The longstanding problem with CuI device longevity is effectively addressed via PMMA encapsulation, resulting in a 15-fold improvement in the lifespan of devices even in air, as compared with non-passivated devices. These findings suggest that flexible optoelectronic systems, combined with reliable, ultra-low power CuI RRAM devices with photo memristive functionality, can leverage the enhancement of multifunctional selectors required in process-in-memories and the synaptic elements of neuromorphic applications.

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Mechanisms of Ion Transport in Amorphous and Nanostructured Materials

Cited by 2 publications

References 71 publications

In situ study of the temperature activated kinetics of water sorption in an epoxy varnish

In situ study of the temperature activated kinetics of water sorption in an epoxy varnish

Light‐Mediated Multi‐Level Flexible Copper Iodide Resistive Random Access Memory for Forming‐Free, Ultra‐Low Power Data Storage Application

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