Buscar
Mostrando ítems 21-30 de 35389
Ag-rich phase precipitation in the Cu-9 mass% Al alloy with Ag additions
(Springer, 2009-07-01)
The Ag-rich phase precipitation in the Cu-9 mass% Al was studied using differential scanning calorimetry (DSC), X-ray diffractometry (XRD) and scanning electron microscopy (SEM). The results indicated that Ag additions did ...
An Experimental and Computational Study of β-AgVO3: Optical Properties and Formation of Ag Nanoparticles
(2016-06-09)
This article aims to gather together in one place and for first time the formation process of Ag nanoparticles (NPs) on β-AgVO3 crystals, driven by an accelerated electron beam from an electronic microscope under high ...
Toward an Understanding of the Growth of Ag Filaments on alpha-Ag2WO4 and Their Photoluminescent Properties: A Combined Experimental and Theoretical Study
(Amer Chemical Soc, 2014-01-16)
A combined experimental and theoretical study was conducted on the structure and electronic properties of alpha-Ag2WO4 to clarify the nucleation and growth processes of Ag filaments on alpha-Ag2WO4 crystals induced by ...
Precipitation reaction in alpha-Cu-Al-Ag alloys
(Rede Latino-Americana de Materiais, 2011-01-01)
The Ag-rich precipitates formation reaction in the Cu-9.22%at. Al-4.66%at. Ag, Cu-9.31%at. Al-5.83%at. Ag and Cu-9.37%at. Al-7.08%at. Ag alloys was studied using microhardness change measurements with temperature and time, ...
A broad diversity survey of Rhizoctonia species from the Brazilian Amazon reveals the prevalence of R. solani AG-1 IA on signal grass and the new record of AG-1 IF on cowpea and soybeans
(2020-04-01)
Leaf blight, sheath blight, and web blight are major diseases caused by Rhizoctonia species on both Fabaceae and Poaceae plant hosts in the Brazilian Amazon agroecosystem. To determine the diversity of Rhizoctonia species ...
Differential physiological responses of a biogenic silver nanoparticle and its production matrix silver nitrate in Sorghum bicolor
(2021-01-01)
Silver nanoparticles (AgNP) have been extensively applied in different industrial areas, mainly due to their antibiotic properties. One of the environmental concerns with AgNP is its incorrect disposal, which might lead ...
In situ growth of Ag nanoparticles on α-Ag2WO4 under electron irradiation: Probing the physical principles
(2016-04-26)
Exploiting the plasmonic behavior of Ag nanoparticles grown on α-Ag2WO4 is a widely employed strategy to produce efficient photocatalysts, ozone sensors, and bactericides. However, a description of the atomic and electronic ...
Enhanced photoactivity of BiVO4/Ag/Ag2O Z-scheme photocatalyst for efficient environmental remediation under natural sunlight and low-cost LED illumination
(2020-09-05)
Bismuth vanadate (BiVO4, BV) is a promising visible-light responsive semiconductor photocatalyst able to harvest sunlight energy for photoelectrochemical and photochemical applications such as pollutants degradation and ...