Formation and stability of W coating on a flexible polyimide substrate

Zaı̆tsev, S. V.; Черкашина, Н. И.; Павленко, В. И.; Prochorenkov, D. S.

doi:10.1016/j.tsf.2020.138424

Cited by 8 publications

(3 citation statements)

References 32 publications

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“…Among electrode materials, due to their excellent mechanical properties, metals and oxides are promising flexible memristor electrode materials. Some of these metal materials have high conductivity and flexibility, such as Ti [22], Mg [23], Ag [24], and W [25]. These materials are used in the preparation of flexible memristors.…”

Section: Flexible Electrode Materialsmentioning

confidence: 99%

Research Progress of Biomimetic Memristor Flexible Synapse

et al. 2021

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With the development of the Internet of things, artificial intelligence, and wearable devices, massive amounts of data are generated and need to be processed. High standards are required to store and analyze this information. In the face of the explosive growth of information, the memory used in data storage and processing faces great challenges. Among many types of memories, memristors have received extensive attentions due to their low energy consumption, strong tolerance, simple structure, and strong miniaturization. However, they still face many problems, especially in the application of artificial bionic synapses, which call for higher requirements in the mechanical properties of the device. The progress of integrated circuit and micro-processing manufacturing technology has greatly promoted development of the flexible memristor. The use of a flexible memristor to simulate nerve synapses will provide new methods for neural network computing and bionic sensing systems. In this paper, the materials and structure of the flexible memristor are summarized and discussed, and the latest configuration and new materials are described. In addition, this paper will focus on its application in artificial bionic synapses and discuss the challenges and development direction of flexible memristors from this perspective.

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Section: Flexible Electrode Materialsmentioning

confidence: 99%

Research Progress of Biomimetic Memristor Flexible Synapse

et al. 2021

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“…The main methods of thin-film deposition are vacuum evaporation (sputtering) with indirect heating; ion-plasma sputtering; deposition from the gas phase using gas-transport reactions; reduction in a hydrogen atmosphere, and thermochemical decomposition, etc. [17][18][19]. The choice of one or another method depends on the nature of the deposited material, substrate material, structure (amorphous, polycrystalline, or monocrystalline), and the thickness of the metal film [20][21][22][23].…”

Section: Introductionmentioning

confidence: 99%

Adhesion Strength of Al, Cr, In, Mo, and W Metal Coatings Deposited on a Silicon–Carbon Film

et al. 2023

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For the first time, the possibility of creating a multilayer system metal (Al, Cr, In, Mo, and W) silicon–carbon coating was studied. A silicon–carbon film was synthesized from a polyorganosiloxane polymer containing an active Si–O siloxane group. Due to the use of furnace pyrolysis, in which the purge gas continuously removes the polymer thermal degradation products from the system, it was possible to reduce the film formation temperature to 300 °C. According to the energy dispersive analysis data, silicon–carbon film has the following composition: C—34.85 wt%, O—42.02 wt%, and Si—23.13 wt%. Metallic coatings of Al, Cr, In, Mo, and W on a silicon–carbon substrate were obtained by vacuum magnetron sputtering. The metallic coatings were evaluated by SEM as well as by X-ray phase analysis. The adhesion strength of metallic coatings to the silicon–carbon substrate was assessed by scratching under continuously increasing load with a Rockwell C Diamond Indenter. At the same time, the friction coefficient was recorded at the corresponding value of load on the indenter. The adhesive strength of metals with the silicon–carbon substrate increases in the sequence W, Mo, In, Al, and Cr.

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“…Magnetron targets serve as a source of coating the material by magnetron sputtering. Besides, this method ensures reproducibility of coating properties, uniformity of their thickness and adhesion to different substrates [1,2]. But the reproducibility of volumetric composite targets remains a decisive factor in the method of their manufacture.…”

Section: Introductionmentioning

confidence: 99%

Detonation Spraying of Composite Targets Based on Ni, Cr and B<sub>4</sub>C for Magnetron Multi-Functional Coating

Сирота

Zaı̆tsev

Прохоренков

et al. 2022

KEM

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The paper presents a method of producing a ceramic metal composite target by detonation gas-thermal spraying allowing spraying almost any powder compositions with high deposition efficiency of up to 90% and the possibility of spraying large areas at a relatively low cost, differentiation by coating thickness and size. The efficiency of detonation technology and related devices for the production of original composite cathodes for magnetron sputtering using the example of the powder composition Ni + Cr + B4C is justified. These materials make it possible to obtain composite coatings with a unique composition and characteristics using a magnetron. Magnetron sputtering is one of the most suitable methods for the industry. The influence of the process mode of metal ceramic powder application on copper substrate is considered. The structure of a metal-ceramic composite target was studied by scanning electron microscopy. It was shown that the target surface is dense without visible pores. The elemental composition of the powder is uniformly distributed over the target surface.

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Formation and stability of W coating on a flexible polyimide substrate

Cited by 8 publications

References 32 publications

Research Progress of Biomimetic Memristor Flexible Synapse

Research Progress of Biomimetic Memristor Flexible Synapse

Adhesion Strength of Al, Cr, In, Mo, and W Metal Coatings Deposited on a Silicon–Carbon Film

Detonation Spraying of Composite Targets Based on Ni, Cr and B<sub>4</sub>C for Magnetron Multi-Functional Coating

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