Articles with "electrochemical etching" as a keyword



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Formation Pathways of Porous Alloy Nanoparticles through Selective Chemical and Electrochemical Etching.

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Published in 2021 at "Small"

DOI: 10.1002/smll.202006953

Abstract: Porous alloy nanomaterials are important for applications in catalysis, sensing, and actuation. Chemical and electrochemical etching are two methods to form porous nanostructures by dealloying bimetallic nanoparticles (NPs). However, it is not clear how the… read more here.

Keywords: pathways porous; porous alloy; electrochemical etching; formation pathways ... See more keywords
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Selective Electrochemical Etching of Stainless Steel Using a Laser-Patterned Copper Layer

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Published in 2019 at "International Journal of Precision Engineering and Manufacturing"

DOI: 10.1007/s12541-019-00099-9

Abstract: This paper proposes a novel electrochemical etching process without the need for a metal mask or photo-resist mask. The selective electrochemical etching using laser-patterned (SEEL) copper layer process consists of three steps: electrodeposition, laser patterning,… read more here.

Keywords: stainless steel; process; electrochemical etching; layer ... See more keywords
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Highly efficient and damage-free polishing of GaN (0 0 0 1) by electrochemical etching-enhanced CMP process

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Published in 2020 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2020.145957

Abstract: Abstract An electrochemical etching-enhanced CMP process was proposed to realize the highly efficient and damage-free finishing of GaN. In this process, electrochemical etching was first used to remove the damaged layer induced by grinding or… read more here.

Keywords: enhanced cmp; etching; electrochemical etching; etching enhanced ... See more keywords
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Experimental study on electrochemical etching for titanium printed circuit heat exchanger channels

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Published in 2020 at "Journal of Materials Processing Technology"

DOI: 10.1016/j.jmatprotec.2020.116669

Abstract: Abstract Printed circuit heat exchangers (PCHEs) have attracted wide attention in the nuclear energy field owing to their high compactness, strong pressure endurance, and high heat transfer capacity. In situations where corrosion resistance or light… read more here.

Keywords: printed circuit; titanium; circuit heat; rate ... See more keywords
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Tuning the Electronic Structure of a Ni-Vacancy-Enriched AuNi Spherical Nanoalloy via Electrochemical Etching for Water Oxidation Studies in Alkaline and Neutral Media.

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Published in 2022 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.2c01072

Abstract: Internal Ni-vacancy-enriched spherical AuNi nanoalloys (AuNi1-2-T) have been prepared via a noble electrochemical etching method. AuNi1.5-T showed the highest oxygen evolution reaction (OER) activity compared to bare AuNi1.5, and it demands only 239 mV overpotential,… read more here.

Keywords: water oxidation; electronic structure; vacancy; auni1 ... See more keywords
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Study on the layering phenomenon of SiC porous layer fabricated by constant current electrochemical etching.

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Published in 2020 at "Nanotechnology"

DOI: 10.1088/1361-6528/ab704a

Abstract: Electrochemical etching of silicon carbide (SiC) material has received increasing attention in recent years, due to its simple procedure, low cost and significance in exploring novel optoelectronic devices. In this paper, 4H-SiC substrates were electrochemically… read more here.

Keywords: constant current; layering phenomenon; sic porous; electrochemical etching ... See more keywords
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STUDYING THE STRUCTURAL, OPTICAL, CHEMICAL AND ELECTROCHEMICAL ETCHING CHANGES OF CR-39 FOR DOSEMETRIC APPLICATIONS

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Published in 2017 at "Radiation Protection Dosimetry"

DOI: 10.1093/rpd/ncx040

Abstract: The present work shows the induced modification of the structural, optical, chemical etching and electrochemical etching parameters of CR-39 irradiated with alpha-particles. CR-39 polymer track detectors were irradiated with different fluences (1.62 × 106, 2.72… read more here.

Keywords: structural optical; electrochemical etching; spectroscopy; chemical electrochemical ... See more keywords
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Effects of Electrochemical Etching on InP HEMT Fabrication

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Published in 2019 at "IEEE Transactions on Semiconductor Manufacturing"

DOI: 10.1109/tsm.2019.2940320

Abstract: Optimum device performance in terms of noise and gain of AlInAs/GaInAs/InP High Electron Mobility Transistors (HEMTs) requires minimizing the contact resistance ${R} _{C}$ . In several HEMT fabrication steps in device manufacturing it is common… read more here.

Keywords: hemt fabrication; etching inp; inp hemt; effects electrochemical ... See more keywords
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Pore nucleation and growth in n-type Si during its electrochemical etching

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Published in 2017 at "Doklady Chemistry"

DOI: 10.1134/s0012500817040012

Abstract: A mechanism is suggested for pore formation in n-type Si through the stage of nucleation in the most probable places. read more here.

Keywords: nucleation growth; pore nucleation; nucleation; growth type ... See more keywords
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Features of Pore Nucleation in p-Si during Its Electrochemical Etching

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Published in 2019 at "Doklady Chemistry"

DOI: 10.1134/s0012500819070012

Abstract: Features of the formation of porous silicon layers during anodic etching of p-Si were considered. A fundamental difference between the mechanisms of the formation of nanostructured layers on p-and n-Si was shown. read more here.

Keywords: nucleation electrochemical; electrochemical etching; pore nucleation; chemistry ... See more keywords
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Design and Construction of an Electrochemical Chamber and a High-Voltage AC Generator for Electrochemical Etching in CR-39 Polycarbonates Sheets

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Published in 2019 at "Instruments and Experimental Techniques"

DOI: 10.1134/s0020441218060076

Abstract: An original design for an electrochemical chamber and the construction of a high-voltage AC generator for electrochemical etching (ECE) of nuclear tracks in CR-39 polycarbonates sheets are presented. The electrochemical chamber was designed and manufactured in… read more here.

Keywords: chamber; high voltage; electrochemical etching; electrochemical chamber ... See more keywords