Results 11 to 20 of about 10,252 (169)

Concurrent tunable structural color, luminescence, and afterglow in single ZnS: X@SiO2 spheres via SiO<sub>2</sub>-nanoarmor and calcination decoupling collaborative strategy. [PDF]

open access: yesSmart Mol
For the first time, tunable structural color, luminescence, and afterglow are integrated into single ZnS:X@SiO2 spheres via a SiO2‐nanoarmor and calcination decoupling strategy, achieving 250–410 nm monodisperse wurtzite spheres with 91% phase conversion, 12.8% PLQY, and 12.27 s afterglow. Abstract The integration of structural color, photoluminescence,
Liu T, Meng R, Zhang S, Wu S.
europepmc   +2 more sources

53Mn-53Cr systematics of sphalerite in enstatite chondrites [PDF]

open access: yes, 2021
We investigated the 53Mn-53Cr isotopic composition of a suite of enstatite chondrites by in situ analyses of various mineral phases with the Cameca IMS 1280-HR ion probe at Heidelberg, Germany, and a Cameca NanoSIMS at Paris, France.
Altherr, Rainer   +7 more
core   +1 more source

Sphalerite as a non-traditional critical metal source: Correlative microscopy (EPMA, EBSD, and APT) of cobalt-enriched sulfides from the sediment-hosted copper-cobalt Dolostone Ore Formation deposit, Namibia

open access: yesFrontiers in Earth Science, 2023
Sphalerite from the sediment-hosted Dolostone Ore Formation (DOF) Cu-Co-Zn deposit, in northwestern Namibia, has previously been shown to contain extremely high concentrations of the critical metal Co (up to 1 wt%).
Viktor Bertrandsson Erlandsson   +5 more
doaj   +1 more source

Thermodynamics and Electrochemistry of the Interaction of Sphalerite with Iron (II)-Bearing Compounds in Relation to Flotation

open access: yesResources, 2022
The flotation recovery of sphalerite depends on the inorganic reagents concentrations in the liquid phase of suspension and pH. This paper presents the results of studies of the interactions of iron (II) containing ions with the sphalerite surface in ...
Kyaw Zay Ya   +4 more
doaj   +1 more source

Major and trace elemental compositions and geological significance of sphalerite in the Fuxingtun Ag-Pb-Zn polymetallic deposit, Horqin Right Wing Front, Inner Mongolia

open access: yes地质科技通报, 2023
Objective The Fuxingtun deposit is a recently discovered large Ag-Pb-Zn polymetallic deposit in Horqin Right Wing Front area, Inner Mongolia. However, the researches on the deposit are very scarce. The study investigates occurrence characteristics of ore-
Qing Zhang   +4 more
doaj   +1 more source

Tuning the electronic and optical properties of the sphalerite by adsorbing halogen and alkali metals

open access: yesIET Optoelectronics, 2021
TThe electronic and optical properties of sphalerite (ZnS) are modulated by adsorbing alkali metals (Li, Na, K, Rb, Cs) and halogen (F, Cl, Br, I, At). Simulations based on density‐functional theory are used to study the electronic and optical properties
Mohit Tyagi, Sudhanshu Choudhary
doaj   +1 more source

Options for Increasing the Rate of Bioleaching of Arsenic Containing Copper Concentrate

open access: yesMicrobiology Research, 2022
In the present work the effect of alkaline sulfide leaching (ASL) on the extraction of copper and zinc from low-grade copper concentrate containing chalcopyrite, tennantite, sphalerite, and pyrite during batch and continuous bioleaching experiments was ...
Alena Artykova   +5 more
doaj   +1 more source

The investigation of the kinetics of hydrochemical oxidation of metal sulphides with the aim of determination of the optimal conditions for the selective extraction of molybdenum from ores [PDF]

open access: yesJournal of Mining and Metallurgy. Section B: Metallurgy, 2005
The kinetics of the oxidation of molybdenyte, pyrite and sphalerite in solutions of nitric acid, hydrogen peroxide, and sodium hypochlorite was studied by the rotating disk method.
Lutsik V., Sobolev A.
doaj   +1 more source

Electron microprobe data of hydrothermal sphalerite from submarine vent systems

open access: yes, 2020
Experimental studies have shown that temperature, pressure, sulfur fugacity ( fS2), and oxygen fugacity ( fO2) influence the Fe content of sphalerite.
Petersen, Sven   +5 more
core   +1 more source

DFT study the adsorption of ethyl xanthate on the S-site of Cu-activated sphalerite (1 1 0) surface in the presence of water molecule

open access: yesResults in Physics, 2019
The research investigates whether the copper activation of sphalerite can result in the adsorption of xanthate on the S-site of sphalerite surface at the atomic level.
Yong Zeng   +4 more
doaj   +1 more source

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