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Article
Open AccessNano-structural effects on Hematite (α-Fe2O3) nanoparticle radiofrequency heating
Nano-sized hematite (α-Fe2O3) is not well suited for magnetic heating via an alternating magnetic field (AMF) because it is not superparamagnetic—at its best, it is weakly ferromagnetic. However, manipulating the...
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Article
Magnetically recoverable carbon-coated iron carbide with arsenic adsorptive removal properties
Magnetic particles, generally nanostructured and magnetite-based, have been studied extensively to remove drinking water contaminants. Compositions beyond Fe3O4 could address long-standing issues of magnetic reco...
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Article
Author Correction: Flexibility and intensity of global water use
In the version of this Analysis originally published, in the section ‘Trends in global water demand’, the percentage increase in agricultural area equipped for irrigation was incorrect: the text ‘rose by 48% f...