Articles with "oxide layers" as a keyword



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Shaping Copper Oxide Layers on Gold Nanoparticle Ensembles by Controlled Electrodeposition with Single Particle Scatterometry.

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Published in 2023 at "Small"

DOI: 10.1002/smll.202301241

Abstract: Electrodeposition of copper on gold nanoelectrode ensembles result in the formation of uniform copper oxide layers on individual nanoparticles. A linear sweep of voltammetric change induces three distinct morphologies dependent upon particle density. Ex situ… read more here.

Keywords: copper; oxide layers; electrodeposition; single particle ... See more keywords
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Continuous tuning of the plasmon resonance frequency of porous gold nanoparticles by mixed oxide layers

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Published in 2020 at "Journal of Porous Materials"

DOI: 10.1007/s10934-020-00933-w

Abstract: Porous gold nanoparticles (PGNs) are very popular due to their high surface/volume ratio, moreover they have stronger plasmonic properties than their solid counterparts. These properties make the porous gold nanoparticles very useful for lots of… read more here.

Keywords: mixed oxide; gold nanoparticles; resonance frequency; oxide layers ... See more keywords
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Deformation, Cracking and Fracture Behavior of Dynamically-Formed Oxide Layers on Molten Metals

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Published in 2019 at "Metals and Materials International"

DOI: 10.1007/s12540-019-00537-3

Abstract: Abstract This study investigates the cracking behavior of oxide layers formed on molten metals and alloys including pure zinc, Zn–4 wt%Al (ZAMAK3) and Al–(0.5–2) wt%Ca in dynamic oxidation condition by injecting gas bubbles into the molten metal… read more here.

Keywords: molten metals; cracking fracture; oxide layers; molten metal ... See more keywords
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Controlled synthesis of nanoporous tin oxide layers with various pore diameters and their photoelectrochemical properties

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Published in 2017 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2017.09.113

Abstract: Abstract Porous anodic tin oxide films with various pore diameters were synthesized by one-step anodization of Sn foil in 1 M NaOH followed by 2 h of annealing at 200 °C. When the potential of 2 V was applied… read more here.

Keywords: pore diameters; oxide layers; tin; various pore ... See more keywords
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Formation of oxide layers on tungsten at low oxygen partial pressures

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Published in 2017 at "Journal of Nuclear Materials"

DOI: 10.1016/j.jnucmat.2017.12.018

Abstract: This work focuses on the oxidation of tungsten in inert gas atmospheres containing oxygen and moisture. It is particularly relevant for the European Spallation Source where the tungsten target is c ... read more here.

Keywords: tungsten low; formation oxide; oxide layers; oxygen partial ... See more keywords
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Microbeam synchrotron radiation diffraction and fluorescence of oxide layers formed on zirconium alloys at different corrosion temperatures

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Published in 2019 at "Journal of Nuclear Materials"

DOI: 10.1016/j.jnucmat.2019.151779

Abstract: Abstract Autoclave corrosion tests of Zircaloy-4 were performed at temperatures ranging from 274°C to 427 °C to determine how the characteristics of the oxide layer changed with corrosion temperature. Corroded samples were prepared in cross-section and… read more here.

Keywords: fluorescence; oxide layers; diffraction; size ... See more keywords
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Influence of natural oxide layers at Ni/NiAl interfaces on Ni3Al phase formation

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Published in 2021 at "Materials Characterization"

DOI: 10.1016/j.matchar.2021.111032

Abstract: Abstract The influence of natural oxide layers at interfaces in diffusion couples is studied. Concentration distributions at (Ni)/NiAl interfaces and the formation of the Ni3Al phase at 650 °C are characterized using scanning electron microscopy (SEM)… read more here.

Keywords: oxide layers; microscopy; ni3al phase; diffusion ... See more keywords
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Recovering effective thicknesses and optical properties of copper and copper oxide layers from absorbance measurements

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Published in 2019 at "Optical Materials"

DOI: 10.1016/j.optmat.2019.02.029

Abstract: Abstract Nowadays, the recovering of both thicknesses and optical properties of nanometric multilayers is still a challenge. We propose a method to recover the effective relative permittivities and the thicknesses of copper/copper oxide layers, from… read more here.

Keywords: copper oxide; oxide layers; copper; copper copper ... See more keywords
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Ce-, Zr-containing oxide layers formed by plasma electrolytic oxidation on titanium as catalysts for oxidative desulfurization

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Published in 2019 at "Surface and Coatings Technology"

DOI: 10.1016/j.surfcoat.2019.01.101

Abstract: Abstract Mixed cerium-zirconum-titanum oxide layers: CeOx + TiO2, CeOx + ZrO2 + TiO2, ZrO2 + TiO2 - on titanium were formed by plasma electrolytic oxidation technique in the electrolytes with different ratio of Ce(SO4)3: Zr(SO4)2 and investigated by the complex of physical-chemical methods.… read more here.

Keywords: oxide layers; oxidation; formed plasma; activity ... See more keywords
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Characteristics of dynamically-formed surface oxide layers on molten zinc–aluminum alloys: A multimodality approach

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Published in 2018 at "Thin Solid Films"

DOI: 10.1016/j.tsf.2018.10.008

Abstract: Abstract A novel technique with a ring-shaped water-cooled copper tube was used to study dynamic oxidation on melts of pure zinc, Zn4Al and ZA27. The thickness of the oxide layers was estimated by kinetic and… read more here.

Keywords: oxide layers; dynamically formed; zinc zn4al; zn4al za27 ... See more keywords
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The influence of thermal oxidation parameters on the growth of oxide layers on titanium

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Published in 2017 at "Vacuum"

DOI: 10.1016/j.vacuum.2017.07.023

Abstract: Abstract The research presented in this paper concentrates on determining the influence of temperature and time parameters on the process of growth, the thickness, mechanical properties and roughness of oxide layers obtained on titanium Grade… read more here.

Keywords: temperature; oxidation; oxide layers; time ... See more keywords