Results 11 to 20 of about 80,984 (279)
Nuclear Engineering and Technology, 2021 The efficiency of decontamination of model spent ion exchange resins, contaminated with magnetite and hematite, with mineral acid solutions, and using electro-decontamination, was evaluated. It has been shown that effective hematite dissolution occurs in
E.A. Tokar +4 more
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Quantifying Soil Goethite/Hematite Ratios: A New Method Based on Diffuse Reflectance Spectra
Geophysical Research Letters, 2023 Goethite/hematite ratios in soils are widely used to reconstruct past climatic changes, but their accurate measurements have remained challenging due to the matrix effect.
Xianqiang Meng +4 more
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Geoscience Letters, 2020 Determination of hematite contributions to sedimentary magnetizations is an important but difficult task in quantitative environmental studies. The poorly crystalline and fine-grained nature of hematite nanoparticles makes quantification of their ...
Andrew P. Roberts +8 more
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NiFeOx decorated Ge-hematite/perovskite for an efficient water splitting system
Nature Communications, 2021 Germanium (Ge) has potential as a dopant suitable for the hematite-based photoelectrochemical water splitting system. Here, the authors report the fabrication of Ge doped porous hematite and demonstrate an efficient tandem system of Ge doped porous ...
Ki-Yong Yoon +9 more
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Mineralogy of Vera Rubin Ridge in Gale Crater from the Mars Science Laboratory CheMin instrument [PDF]
, 2020 Gale crater was selected as the landing site for the Mars Science Laboratory Curiosity rover because of orbital evidence for a variety of secondary minerals in the lower slopes of Aeolis Mons (aka Mount Sharp) that indicate changes in aqueous conditions ...
Achilles, C. N. +29 more
core +4 more sources
Mixed Micromax and hematite-based fly ash geopolymer for heavy-weight well cementing
Scientific Reports, 2023 Ordinary Portland cement (OPC) has introduced different environmental and technical issues. Researchers tried either adding new materials to cement or developing alternatives for both technical and environmental challenges.
Ahmed Abdelaal, Salaheldin Elkatatny
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Powders, 2023 Crystalline hematite nanoparticles as adsorbents for anionic Congo red dye were prepared by a hydrothermal process using urea hydrolysis. To examine the effects of coexisting anions in a solution on the formation of hematite nanoparticles, different iron(
Takahiro Onizuka +2 more
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Influence of surface morphology on the immersion mode ice nucleation efficiency of hematite particles [PDF]
Atmospheric Chemistry and Physics, 2014 In this paper, the effect of the morphological modification of aerosol particles with respect to heterogeneous ice nucleation is comprehensively investigated for laboratory-generated hematite particles as a model substrate for atmospheric dust particles.
N. Hiranuma +7 more
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Photoelectrochemical behavior of electrophoretically deposited hematite thin films modified with ti(IV) [PDF]
, 2016 : Doping hematite with different elements is a common strategy to improve the electrocatalytic activity towards the water oxidation reaction, although the exact effect of these external agents is not yet clearly understood.
Argazzi, Roberto +9 more
core +2 more sources
Exchange interactions in transition metal oxides: The role of oxygen spin polarization [PDF]
, 2017 Magnetism of transition metal (TM) oxides is usually described in terms of the Heisenberg model, with orientation-independent interactions between the spins.
Katsnelson, M. I. +3 more
core +2 more sources