Changes in dissolved iron deposition to the oceans driven by human activity: a 3-D global modelling study [PDF]
, 2015 The global atmospheric iron (Fe) cycle is parameterized in the global 3-D chemical transport model TM4-ECPL to simulate the proton- and the organic ligand-promoted mineral-Fe dissolution as well as the aqueous-phase photochemical reactions between the ...
Baker, Alex +5 more
core +2 more sources
Solar Hydrogen Production by Solar Thermal Decoupled Electrolysis: Analysis of FE3O4 in Solution [PDF]
, 2014 The Valparaiso University Solar Research Project utilizes a solar thermal decoupled electrolysis process for the production of H2 from water. This study focuses on the electrochemical conversion of magnetite to hematite during the H2 production process ...
Beyers, Evan +4 more
core +2 more sources
Synthetic and natural iron oxide characterization through microparticle voltammetry [PDF]
, 2009 Se presentan los resultados de un estudio sobre el uso de la Voltametría de Micropartículas (VMP), aplicada a la identificación de óxidos y oxihidróxidos de hierro. Mediante esta técnica, fue posible diferenciar hematita, goethita, magnetita y maghemita,
Bidegain, Juan Carlos +2 more
core +3 more sources
Interfacial oxygen vacancies yielding long-lived holes in hematite mesocrystal-based photoanodes
Nature Communications, 2019 Hematite (α-Fe2O3) is one of the most promising candidates as a photoanode materials for solar water splitting. Owing to the difficulty in suppressing the significant charge recombination, however, the photoelectrochemical (PEC) conversion efficiency of ...
Zhujun Zhang +6 more
semanticscholar +1 more source
Advanced Functional Materials, EarlyView.The ultrahard teeth of mollusks that feed on rocky substrates contain a wear‐resistant coating on their surfaces consisting of densely packed mesocrystalline magnetic nanoparticles within an organic matrix. These coatings display significant hardness and toughness through their highly controlled mesocrystalline architectures.
Taifeng Wang +7 more
wiley +1 more source
Geophysical Monograph Series, Page 263-304., 2021 Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jessica H. Whiteside +3 more
wiley +2 more sources
Synthesis and Characterization of Hematite Nanoparticles using Ultrasonic Sonochemistry Method
International Journal of Technology, 2017 This paper presents an investigation on the method for synthesizing hematite nanoparticle using ultrasonic sonochemistry. The effect of various bases with different basicity strengths, i.e.
Munawar Khalil +2 more
doaj +1 more source
Molecules, 2022 To establish a novel approach for VOCs resource utilization, coupled o-xylene oxidation and hematite reduction was investigated in this study in a high-temperature gas-solid reactor in the temperature range 300–700 °C.
Xiaolong Ma +4 more
doaj +1 more source
Thermochemistry of yavapaiite KFe(SO4)2: Formation and decomposition [PDF]
, 2005 Yavapaiite, KFe(SO4)2, is a rare mineral in nature, but its structure is considered as a reference for many synthetic compounds in the alum supergroup. Several authors mention the formation of yavapaiite by heating potassium jarosite above ca. 400°C. To
Drouet, Christophe +2 more
core +2 more sources
Environmental Science and Technology, 2019 Hematite nanoparticles are abundant in the photic zone of aquatic environments, where they play a prominent role in photocatalytic transformations of bound organics.
Xiaopeng Huang +8 more
semanticscholar +1 more source