Amorphous Cr/SiO2 Materials Hydrothermally Treated: Liquid Phase Cyclohexanol Oxidation
Sign Up to like & getrecommendations! Published in 2018 at "Catalysis Letters"
DOI: 10.1007/s10562-018-2422-4
Abstract: Amorphous Cr–SiO2 materials were synthesized by the sol–gel method and hydrothermally treated at temperatures between 150 and 220 °C. These materials were used as catalysts for cyclohexanol oxidation with H2O2 as oxidant and CH3CN as a… read more here.
Keywords: phase; sio2 materials; oxidation; amorphous sio2 ... See more keywords
Vapor-phase isomerization of 3-pentenal over amorphous SiO2 catalyst
Sign Up to like & getrecommendations! Published in 2019 at "Applied Catalysis A: General"
DOI: 10.1016/j.apcata.2019.03.003
Abstract: Abstract Vapor-phase isomerization of 3-pentenal to 2-pentenal was performed over various oxide catalysts. An amorphous SiO2 catalyst with a weak acidity and medium mesopore size showed a conversion over 82% with 2-pentenal selectivity higher than… read more here.
Keywords: sio2 catalyst; isomerization pentenal; isomerization; amorphous sio2 ... See more keywords
3D-Focused ion beam tomography and quantitative porosity evaluation of ZrO2-SiO2 composite coating; amorphous SiO2 as a porosity tailoring agent
Sign Up to like & getrecommendations! Published in 2020 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2020.145567
Abstract: Abstract The current study is focused on refining effect of amorphous SiO2 on porosity and interlayer formation of sintered ZrO2-SiO2 composite coatings produced on anodic oxidized 316L substrate. The SiO2 improved particle interaction with the… read more here.
Keywords: porosity; sio2 porosity; amorphous sio2; sio2 ... See more keywords
Super-hard “Tanghulu”: cubic BP microwire covered with amorphous SiO2 balls
Sign Up to like & getrecommendations! Published in 2021 at "Heliyon"
DOI: 10.1016/j.heliyon.2021.e08300
Abstract: Superhard materials, which are widely used in metallurgy, petroleum drilling, and mechanical processing, have become the key to the development of processing and manufacturing industry. Boron phosphide is an excellent Superhard candidate material with excellent… read more here.
Keywords: amorphous sio2; sio2; tanghulu; superhard ... See more keywords
γ-Valerolactone converting to butene via ring-opening and decarboxylation steps over amorphous SiO2-Al2O3 catalyst
Sign Up to like & getrecommendations! Published in 2020 at "Molecular Catalysis"
DOI: 10.1016/j.mcat.2020.111218
Abstract: Abstract γ-Valerolactone (GVL) as a sustainable platform compound could be converted to renewable fuels and chemicals, whereas directly converting GVL to target products remains still the challenge. In this work, we report an amorphous SiO2-Al2O3… read more here.
Keywords: sio2 al2o3; butene; amorphous sio2; ring opening ... See more keywords
Thickness dependent growth of Ge nanoparticles in amorphous Ge/SiO2 multilayers
Sign Up to like & getrecommendations! Published in 2021 at "Vacuum"
DOI: 10.1016/j.vacuum.2021.110294
Abstract: Abstract Amorphous Ge/SiO2 multilayers were deposited in a high vacuum by an e-gun assisted physical vapor deposition technique with continuous Ge layers either 2 or 4 nm thick, separated by 2 nm thick SiO2 layers. The aim… read more here.
Keywords: microscopy; growth nanoparticles; sio2 multilayers; thickness dependent ... See more keywords
Cross-plane thermal conductivity in amorphous Si/SiO2 superlattices
Sign Up to like & getrecommendations! Published in 2020 at "Applied Physics Letters"
DOI: 10.1063/5.0023782
Abstract: Heat conduction in superlattices demonstrates various atomic-scale effects, one of which is the ultra-low thermal conductivity. Remarkably, theoretical works even promise sub-amorphous thermal conductivity in superlattices made of amorphous materials. Yet, these predictions were not… read more here.
Keywords: cross plane; plane thermal; amorphous sio2; thermal conductivity ... See more keywords
Modelling the interactions and diffusion of NO in amorphous SiO2
Sign Up to like & getrecommendations! Published in 2021 at "Modelling and Simulation in Materials Science and Engineering"
DOI: 10.1088/1361-651x/abdc69
Abstract: Nitric oxide (NO) is often used for the passivation of SiC/SiO2 metal oxide semiconductor (MOS) devices. Although it is established experimentally, using XPS, EELS, and SIMS measurements, that the 4H-SiC/SiO2 interface is extensively nitridated, the… read more here.
Keywords: modelling interactions; diffusion amorphous; incorporation; amorphous sio2 ... See more keywords
Vaporlike phase of amorphous SiO2 is not a prerequisite for the core/shell ion tracks or ion shaping
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review Materials"
DOI: 10.1103/physrevmaterials.2.096001
Abstract: The SHI irradiations were performed under the CommonUse Facility Program of JAEA. H.A. was supported by JSPSKAKENHI Grant No. 18K04898. I.S., V.J., F.D., and K.N. gratefully acknowledge financial support from the Academy of Finland MESIOS… read more here.
Keywords: amorphous sio2; phase amorphous; ion; vaporlike phase ... See more keywords
Amorphous SiO2 nanofiber@CuO quantum dots with enhanced photocatalytic activity
Sign Up to like & getrecommendations! Published in 2019 at "Surface Innovations"
DOI: 10.1680/jsuin.18.00031
Abstract: Amorphous silicon dioxide (SiO2) fibers (ASF) loaded with well-dispersed copper (II) oxide (CuO) quantum dots were prepared through a hydrothermal process using copper hydroxide as the precursor. T... read more here.
Keywords: sio2 nanofiber; quantum dots; amorphous sio2; cuo quantum ... See more keywords
Monitoring the Reactivity of Formamide on Amorphous SiO2 by In-Situ UV-Raman Spectroscopy and DFT Modeling
Sign Up to like & getrecommendations! Published in 2020 at "Molecules"
DOI: 10.3390/molecules25102274
Abstract: Formamide has been recognized in the literature as a key species in the formation of the complex molecules of life, such as nucleobases. Furthermore, several studies reported the impact of mineral phases as catalysts for… read more here.
Keywords: formamide amorphous; amorphous sio2; spectroscopy; situ raman ... See more keywords