Results 41 to 50 of about 19,172 (292)

Thermoelectric properties of In-rich InGaN and InN/InGaN superlattices

open access: yesAIP Advances, 2016
The thermoelectric properties of n-type InGaN alloys with high In-content and InN/InGaN thin film superlattices (SL) grown by molecular beam epitaxy are investigated.
James (Zi-Jian) Ju   +8 more
doaj   +1 more source

TiOxNy coatings grown by atmospheric pressure metal organic chemical vapor deposition [PDF]

open access: yes, 2010
Titanium oxynitride coatings were deposited on various substrates by an original atmospheric pressure metal organic chemical vapor deposition (MOCVD) process using titanium tetra-iso-propoxide as titanium and oxygen precursors and hydrazine as a nitrogen
Duminica, Florin-Daniel, Maury, Francis
core   +4 more sources

High temperature resistant cermet and ceramic compositions [PDF]

open access: yes, 1978
Cermet compositions having high temperature oxidation resistance, high hardness and high abrasion and wear resistance, and particularly adapted for production of high temperature resistant cermet insulator bodies are presented.
Phillips, W. M.
core   +2 more sources

Instability of Amorphous Ru-Si-O Thin Films under Thermal Oxidation [PDF]

open access: yes, 1999
Ternary films about 200 nm thick of composition Ru20Si15O65 have been synthesized by reactive rf magnetron sputtering of a Ru1Si1 target in an argon-oxygen gas. As-deposited, the films are X-ray-amorphous.
Gasser, S. M.   +3 more
core   +1 more source

Atomic Size Misfit for Electrocatalytic Small Molecule Activation

open access: yesAdvanced Functional Materials, EarlyView.
This review explores the application and mechanisms of atomic size misfit in catalysis for small molecule activation, focusing on how structural defects and electronic properties can effectively lower the energy barriers of chemical bonds in molecules like H2O, CO2, and N2.
Ping Hong   +3 more
wiley   +1 more source

Silver decorated TiO2/g-C3N4 bifunctional nanocomposites for photocatalytic elimination of water pollutants under UV and artificial solar light

open access: yesResults in Engineering, 2022
Ternary TiO2/g-C3N4@Ag nanocomposites with controlled composition were synthesized and used as highly effective bifunctional photocatalysts. TiO2 nanoparticles were initially prepared via a sol-gel method and afterwards combined with optimum amounts of ...
Islam Ibrahim   +9 more
doaj   +1 more source

Non-linear macroscopic polarization in III-V nitride alloys

open access: yes, 2001
We study the dependence of macroscopic polarization on composition and strain in wurtzite III-V nitride ternary alloys using ab initio density-functional techniques.
A. Di Carlo   +30 more
core   +1 more source

Copper‐based Materials for Photo and Electrocatalytic Process: Advancing Renewable Energy and Environmental Applications

open access: yesAdvanced Functional Materials, EarlyView.
Cu‐based catalysts as a cornerstone in advancing sustainable energy technologies are fully reviewed in this manuscript, highlighting their potential in photo‐ and electrocatalysis. It includes metallic copper, copper oxides, copper sulfides, copper halide perovskites, copper‐based metal–organic frameworks (MOFs), and covalent organic frameworks (COFs),
Jéssica C. de Almeida   +16 more
wiley   +1 more source

Controlled Aggregation of Pyrene‐Based Supramolecular Nanostructures for Light‐Driven Switchable H2 or H2O2 Production

open access: yesAdvanced Functional Materials, EarlyView.
This work reports the self‐assembly of a pyrene derivative into two distinct nanostructures and their application in visible‐light photocatalysis. The two nanostructures exhibit completely different yet complementary photocatalytic activities, promoting either H2 or H2O2 evolution.
Marianna Barbieri   +6 more
wiley   +1 more source

Synergistic Enhanced Thermal Conductivity and Crack Resistance of Reactor Epoxy Insulation with Boron Nitride Nanosheets and Multiwalled Carbon Nanotubes

open access: yesNanomaterials, 2022
Epoxy composites with high thermal conductivity, excellent dielectric, and mechanical properties are very promising for solving epoxy cracking faults in reactors and for extending their service life.
Jun Yang   +4 more
doaj   +1 more source

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