Memristors in the electrical network of<i>Aloe vera</i>L.

Volkov, Alexander G.; Reedus, Jada; Mitchell, Colee M.; Tucket, Clayton; Forde-Tuckett, Victoria; Volkova, Maya I; Markin, Vladislav S.; Chua, Leon O.

doi:10.4161/psb.29056

Cited by 37 publications

(22 citation statements)

References 23 publications

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“…TEACl, an inhibitor of voltage gated K C channels, transform a memristor to a resistor. 15,30,31 Plants have these voltage gated potassium ion channels associated with plasma membranes. 16 Our analytical model of a memristor in plants with a capacitor connected in parallel shows that at very high frequencies instead of a single-valued function of a memristor (Fig.…”

Section: Discussionmentioning

confidence: 99%

An analytical model of memristors in plants

Markin

Volkov

Chua

2014

Plant Signaling & Behavior

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Section: Discussionmentioning

confidence: 99%

An analytical model of memristors in plants

Markin

Volkov

Chua

2014

Plant Signaling & Behavior

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“…Furthermore, thin films of commercial Aloe vera gel have been used as natural dielectrics [7] in organic field-effect transistors (OFETs) [8] to showcase its potentials for viable electronic applications. Recently, the demonstration of inducing responses that mimic memristor behaviors in living Aloe vera plants has further expanded its potentials for electronic memory applications [9]. The notion has been conceptualized when thin films of commercial [10] and natural [11] Aloe vera gel are explored for nonvolatile memory applications.…”

Section: Introductionmentioning

confidence: 99%

Effects of Electrode Materials on Charge Conduction Mechanisms of Memory Device Based on Natural Aloe Vera

et al. 2016

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Resistive switching behaviors in Aloe vera films are being explored for nonvolatile memory applications. A simple structure in which the Aloe vera films sandwiched in between a top and bottom electrode are used. The switching behaviors of the devices in which the Aloe vera film is dried at different temperatures and the roles of top electrode materials (Al and Ag) are investigated. Current density-voltage measurements reveal that filamentary conduction is the dominant conduction process inducing resistive switching characteristics in Aloe vera films. Device with Al-top electrode requires a forming voltage higher than devices with Ag-top electrode, due to the tendency of oxide formation of these materials. The resistive switching behaviors are highly reproducible, as demonstrated by the data retention performance over an interval of 10 4 s and endurance capability of over 100 cycles.

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“…Nevertheless, naturally occurring bio‐organic materials have properties that favor ionic conduction, rendering their exotic application in a variety of bioelectronics. In particular, electrical signaling due to in vivo ionic conduction in A. vera plant suggests its potential application as a plant‐based memristor . Here, aloe polysaccharides were extracted from the plant leaves for utilization as a solid polymer electrolyte to facilitate the electrochemical processes (Figure c), which give rise to resistive switching in the device eventually.…”

Section: Resultsmentioning

confidence: 99%

Nonvolatile Memory Device Based on Bipolar and Unipolar Resistive Switching in Bio‐Organic Aloe Polysaccharides Thin Film

Lim

Cheong

2018

Adv Materials Technologies

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To enable long-term progress, next-generation nonvolatile memories should function on the basis of new concepts that are different from the conventional charge storage in floating-gate transistors. [4][5][6] Of the emerging storage principles, electrically modulated resistive switching behaviors in metal-insulator-metal (MIM) structures could be an intriguing concept to redefine the frontiers of next-generation nonvolatile memories. [7][8][9][10][11][12][13][14] Such implementation offers promising advantages in several key aspects, including down-scalability, switching speed, power consumption, and fabrication cost.Resistive switching has been demonstrated in a wide variety of inorganic [7][8][9][10] and organic [11][12][13][14] materials, which are generally deposited as a continuous thin film sandwiched in between two conductive electrodes forming a MIM structure. However, careful consideration should be taken during the fabrication process, because deposition of these materials using various power-demanding methods (e.g., thermal evaporation, molecular beam epitaxy, and chemical vapor deposition) could possibly lead to an energy-imbalance situation. [15] Furthermore, utilization of materials derived from nonrenewable resources (e.g., mined minerals and fossil fuels) could raise critical issue regarding sustainability. In general, these materials are chemically robust and thus require an infinitely long period for natural decomposition after disposal, leaving behind massive volumes of electronic waste overwhelming landfills around the world. [16] In tandem with the growing environmental awareness and the proliferation of disposable electronics, there is an urgent need to develop more electronic applications based on the greener bio-organic materials, [16,17] which are generally derived from living (or once-living) organisms that are abundant in the nature. Bio-organic materials are not only biodegradable, biocompatible, and environmentally benign to provide a sustainable solution in addressing the environmental concerns, but also exotic for next-generation electronics realization. Recently, resistive switching behaviors demonstrated in several bio-organic MIM structures (Table S1, Supporting Information) have garnered considerable attention owing to their potentials as a plausible alternative for next-generation nonvolatile memories.Growing environmental awareness has prompted a paradigm shift toward using green materials for various electronic applications. Bio-organic materials are promising candidates attributable to their inherent biocompatibility, biodegradability, and environmental friendliness. Here, a nonvolatile memory device based on resistive switching in a bio-organic polysaccharides film is presented. The polysaccharides are extracted from natural Aloe vera gel using facile alcohol precipitation. Optimal film deposition is achieved through spin-coating followed by drying at 120 °C, which is higher than the usual processing temperature of commercial Aloe vera gel. Both bipolar and unipolar resistiv...

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Memristors in the electrical network ofAloe veraL.

Cited by 37 publications

References 23 publications

An analytical model of memristors in plants

An analytical model of memristors in plants

Effects of Electrode Materials on Charge Conduction Mechanisms of Memory Device Based on Natural Aloe Vera

Nonvolatile Memory Device Based on Bipolar and Unipolar Resistive Switching in Bio‐Organic Aloe Polysaccharides Thin Film

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