Articles with "microwave plasma" as a keyword



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Morphology and structure of Ti-doped diamond films prepared by microwave plasma chemical vapor deposition

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Published in 2018 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2018.02.180

Abstract: Abstract Ti-doped diamond films were deposited through a microwave plasma chemical vapor deposition (MPCVD) system for the first time. The effects of the addition of Ti on the morphology, microstructure and quality of diamond films… read more here.

Keywords: doped diamond; diamond films; morphology; spectroscopy ... See more keywords
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Dynamic mode optimization for the deposition of homogeneous TiO2 thin film by atmospheric pressure PECVD using a microwave plasma torch

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Published in 2019 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2019.07.057

Abstract: Abstract An atmospheric pressure plasma-enhanced chemical vapor deposition process using a microwave plasma torch has been used for titania thin film synthesis. A dynamic deposition mode was set up to cover a square centimeter surface… read more here.

Keywords: microwave plasma; atmospheric pressure; thin film; deposition ... See more keywords
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Microwave plasma-induced growth of vertical graphene from fullerene soot

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Published in 2021 at "Carbon"

DOI: 10.1016/j.carbon.2020.09.086

Abstract: Abstract Vertical graphene (VG) films can be fabricated on the surface of nickel foil from fullerene soot (FS) under microwave plasma irradiation (MPI) in a mixture gas of H2 and Ar at 1200 W for… read more here.

Keywords: vertical graphene; fullerene soot; graphene; spectroscopy ... See more keywords
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Plateholder design for deposition of uniform diamond coatings on WC-Co substrates by microwave plasma CVD for efficient turning application

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Published in 2017 at "Diamond and Related Materials"

DOI: 10.1016/j.diamond.2017.04.011

Abstract: Polycrystalline diamond coatings have been grown on cemented carbide WC-6% Co substrates with different aspect ratios by microwave plasma CVD in CH4/H2 gas mixtures. Special plateholder with holes for group growth has been used to… read more here.

Keywords: uniform diamond; plateholder design; diamond coatings; plasma cvd ... See more keywords
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Diamond films and particles growth in hydrogen microwave plasma with graphite solid precursor: Optical emission spectroscopy study

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Published in 2018 at "Diamond and Related Materials"

DOI: 10.1016/j.diamond.2017.12.020

Abstract: Abstract We report on growth of diamond particles on graphite sheets and continuous films on Si substrates in a hydrogen microwave plasma using a graphite solid precursor. The special feature of the process is that… read more here.

Keywords: spectroscopy; diamond; hydrogen microwave; growth ... See more keywords
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Study of graphene layer growth on dielectric substrate in microwave plasma torch at atmospheric pressure

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Published in 2020 at "Diamond and Related Materials"

DOI: 10.1016/j.diamond.2020.107798

Abstract: Abstract The initial stage of graphene layer deposition on silicon oxide substrate by ethanol decomposition in dual-channel microwave plasma torch at atmospheric pressure was studied in dependence on precursor flow rate and delivered microwave power.… read more here.

Keywords: graphene layer; plasma torch; spectroscopy; substrate ... See more keywords
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Optimization of microwave plasma treatment conditions on polydimethylsiloxane films for further surface functionalization

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Published in 2021 at "European Polymer Journal"

DOI: 10.1016/j.eurpolymj.2021.110416

Abstract: Abstract Polydimethylsiloxane (PDMS) was surface functionalized by a 3-steps process. Firstly, the PDMS surface was activated by means of a microwave Ar/O2 plasma treatment, that was optimized in this paper. Secondly, the activated surface reacted… read more here.

Keywords: optimization microwave; plasma treatment; microwave plasma; pdms surface ... See more keywords
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Microwave plasma treatment of simulated biomass syngas: interactions between the permanent syngas compounds and their influence on the model tar compound conversion.

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Published in 2018 at "Fuel Processing Technology"

DOI: 10.1016/j.fuproc.2018.01.025

Abstract: Abstract Plasma techniques are attracting significant attention in the context of tar removal from the biomass-derived syngas. This research investigated the impact of microwave (MW) plasma on a simulated biomass syngas containing benzene as a… read more here.

Keywords: tar; conversion; syngas; simulated biomass ... See more keywords
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Vertical-substrate epitaxial growth of single-crystal diamond by microwave plasma-assisted chemical vapor deposition

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Published in 2018 at "Journal of Crystal Growth"

DOI: 10.1016/j.jcrysgro.2018.01.024

Abstract: Abstract Epitaxial diamond growth by microwave plasma CVD in a CH 4 /H 2 mixture was performed on vertically standing single crystal diamond substrates with high aspect (height-to-width) ratio. This “vertical growth” mode allows simultaneous… read more here.

Keywords: single crystal; crystal diamond; diamond; growth ... See more keywords
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Ambient Carbon-Neutral Ammonia Generation via a Cyclic Microwave Plasma Process

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Published in 2023 at "ACS Applied Materials & Interfaces"

DOI: 10.1021/acsami.3c02508

Abstract: A novel reactor methodology was developed for chemical looping ammonia synthesis processes using microwave plasma for pre-activation of the stable dinitrogen molecule before reaching the catalyst surface. Microwave plasma-enhanced reactions benefit from higher production of… read more here.

Keywords: microwave plasma; carbon neutral; neutral ammonia; ambient carbon ... See more keywords
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Investigation of self-ignition characteristics of the microwave plasma torch

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Published in 2017 at "Journal of Analytical Atomic Spectrometry"

DOI: 10.1039/c7ja00181a

Abstract: The traditional method for ignition of plasma sustained with the microwave plasma torch (MPT) is by touching the central tube with a metal rod or with the aid of a spark from a Tesla coil,… read more here.

Keywords: self ignition; plasma torch; torch; ignition ... See more keywords