Results 31 to 40 of about 21,323 (161)

The structure and hardness of the highest boride of tungsten, a borophene-based compound

open access: yesScientific Reports, 2017
Two-dimensional systems have strengthened their position as a key materials for novel applications. Very recently, boron joined the distinguished group of elements confirmed to possess 2D allotropes, named borophenes.
Nevill Gonzalez Szwacki
doaj   +1 more source

Room Temperature Ethanol Microsensors Based on Silanized Tungsten Oxide Nanowires

open access: yesProceedings, 2018
Gas microsensors based on tungsten oxide (WO3-x) nanowires (NWs) silanized with APTES (3-aminopropyltriethoxysilane) are developed in this work.
Stella Vallejos   +5 more
doaj   +1 more source

Rhizobium symbiosis improves amino acid and secondary metabolite biosynthesis of tungsten-stressed soybean (Glycine max)

open access: yesFrontiers in Plant Science
The industrially important transition metal tungsten (W) shares certain chemical properties with the essential plant micronutrient molybdenum and inhibits the activity of molybdoenzymes such as nitrate reductase, impacting plant growth.
Julian Preiner   +3 more
doaj   +1 more source

Polyoxotungstates in Molecular Boxes of Purine Bases

open access: yesCrystals, 2014
Three new compounds, (GuaH)4[W10O32](H2O)4 (1), (ThbH)3(H3O)[(W10O32](H2O)7.5 (2) and (ThbH)2[W6O19](H2O)2 (3) (GuaH = guaninium, thbH = theobrominium) were synthesized in acidified acetonitrile solutions.
Vladislav Kulikov, Gerd Meyer
doaj   +1 more source

Synthesis of Electrocatalytic Tungsten Carbide Nanoparticles by High-Pressure and High-Temperature Treatment of Organotungsten Compounds

open access: yesNanomaterials
Metal–organic framework (MOF)-derived carbon, which contains metal nanoparticles embedded in a carbon matrix, is becoming an important group of catalysts. We report the synthesis of tungsten carbide–carbon nanocomposites using a similar concept, i.e., by
Taijiro Tadokoro   +5 more
doaj   +1 more source

Formation CMOS Schemes on GaAs with Self-Aligned Nitride and Silicide Gates

open access: yesФізика і хімія твердого тіла, 2016
Advanced integrated logic circuits on GaAs are mainly based on the using of n-channel field-effect transistors with gate Schottky (MESFET). To create the complementary MESFET integrated circuits the main problem is quite small Schottky barrier height ...
S. P. Novosjadly   +2 more
doaj   +1 more source

Stability of oxide phases in W–Cr–Y SMART alloys

open access: yesNuclear Materials and Energy
The addition of Cr and Y into tungsten can dramatically increase the oxidation resistance of the first wall of a future fusion reactor, thereby reducing the risk of formation of volatile WO3 and the release of radioactive material.
Ryan D. Kerr   +3 more
doaj   +1 more source

Surface Characterization and Tribological Performance Analysis of Electric Discharge Machined Duplex Stainless Steel

open access: yesMicromachines, 2020
The present article focused on the surface characterization of electric discharge machined duplex stainless steel (DSS-2205) alloy with three variants of electrode material (Graphite, Copper-Tungsten and Tungsten electrodes). Experimentation was executed
Timur Rizovich Ablyaz   +6 more
doaj   +1 more source

High compressive strong-ductile tungsten-rhenium alloy via B4C addition

open access: yesJournal of Materials Research and Technology
Tungsten-rhenium alloys with high-temperature strength and creep resistance are widely used in the cutting-edge scientific and technological sectors.
Zhihui Wang   +3 more
doaj   +1 more source

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