Results 11 to 20 of about 269,089 (289)

Formation of Nanoscale (Ti,V)N Solid Solutions form Equimolar TiN/VN Blend at Mechanical Alloying or HPHT Sintering

open access: yesMaterials Proceedings, 2023
The comparative study of TiN and VN interaction at mechanical alloying (MA) of the equimolar TiN-VN mixture in a ball mill and after high pressure, high temperature (HPHT) sintering of the cBN-TiN-VN charge, which contains 35 vol.% of this mixture, is ...
Nadezhda Belyavina   +5 more
doaj   +1 more source

Isolated Au Atom Anchored on Porous Boron Nitride as a Promising Electrocatalyst for Oxygen Reduction Reaction (ORR): A DFT Study

open access: yesFrontiers in Chemistry, 2019
The development of efficient, stable, and low-cost catalytic material for the oxygen reduction reaction (ORR) is currently highly desirable but challenging.
Qiaoling Li   +8 more
doaj   +1 more source

Silicon nitride and silica quarter-wave stacks for low-thermal-noise mirror coatings [PDF]

open access: yes, 2018
This study investigates a multilayer high reflector with new coating materials for next-generation laser interferometer gravitational wave detectors operated at cryogenic temperatures.
Chang, Lin-An   +6 more
core   +1 more source

Near-infrared grating couplers for silicon nitride photonic wires [PDF]

open access: yes, 2012
Silicon nitride is a promising high-index material for dense photonic circuits and applications in the visible-midinfrared wavelength regime. Design, fabrication, and optical characterization of silicon nitride waveguides at visible-near-infrared ...
Baets, Roel   +5 more
core   +1 more source

The Enhanced Red Emission and Improved Thermal Stability of CaAlSiN3:Eu2+ Phosphors by Using Nano-EuB6 as Raw Material

open access: yesNanomaterials, 2018
Synthesizing phosphors with high performance is still a necessary work for phosphor-converted white light-emitting diodes (W-LEDs). In this paper, three series of CaAlSiN3:Eu2+ (denoted as CASN:Eu2+) phosphors using Eu2O3, EuN and EuB6 as raw materials ...
Wen-Quan Liu   +8 more
doaj   +1 more source

Mesoporous C/CrN and C/VN Nanocomposites Obtained by One-Pot Soft-Templating Process

open access: yesInorganics, 2016
Nanocomposites of ordered mesoporous carbon associated with chromium nitride (CrN) or vanadium nitride (VN) nanoparticles were obtained by a simple one-pot synthesis based on the solvent evaporation induced self-assembly (EISA) process using Pluronic ...
Julien Kiener   +2 more
doaj   +1 more source

Crystal structure of nitridobis(trimethylsilanolato)[1,1,1-trimethyl-N-(trimethylsilyl)silanaminato]molybdenum(VI)

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2015
In the title compound, [Mo(C6H18NSi2)(C3H9OSi)2N], the MoVI cation is located on a mirror plane and is coordinated by a nitride anion, a 1,1,1-trimethyl-N-(trimethylsilyl)silanaminate anion and two trimethylsilanolate anions in a distorted tetrahedral ...
Caiwei Geng, Xiang Hao, Peng Jiao
doaj   +1 more source

Structural, Compositional, and Plasmonic Characteristics of Ti–Zr Ternary Nitride Thin Films Tuned by the Nitrogen Flow Ratio in Magnetron Sputtering

open access: yesNanomaterials, 2020
Ternary nitride gives high diversity and tunability of the plasmonic materials. In this work, highly crystallized ternary (Ti, Zr)N x films were prepared by magnetron co-sputtering with different nitrogen gas flow ratio R n .
Lianlian Chen   +4 more
doaj   +1 more source

Nitride Wide-Bandgap Semiconductors for UV Nonlinear Optics

open access: yesCrystals, 2023
Nitride wide-bandgap semiconductors possess a wide tunable energy bandgap and abundant coordination anionic groups. This suggests their potential to display nonlinear optical (NLO) properties in the UV wavelength spectrum.
Shihang Li, Lei Kang
doaj   +1 more source

Supported Molybdenum Carbide and Nitride Catalysts for Carbon Dioxide Hydrogenation

open access: yesFrontiers in Chemistry, 2020
Catalysts based on molybdenum carbide or nitride nanoparticles (2–5 nm) supported on titania were prepared by wet impregnation followed by a thermal treatment under alkane (methane or ethane)/hydrogen or nitrogen/hydrogen mixture, respectively.
Marwa Abou Hamdan   +6 more
doaj   +1 more source

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