source:phys.orgRare-earth elements, also known as lanthanides, are, contrary to what the name suggests, not rare. They are, however, challenging to purify from the environment. Only in the past few years, it became evident that life has found solutions to harness these elements for itself. In a recent paper, the Vorholt lab describes the discovery of lanpepsy, a protein which specifically binds lanthanides and discriminates them from other elements.Lanthanides are essential metals for today's technologies, including electronic devices such as smart phones. Their mining is associated with p...
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2023
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source:natureAbstractWith the technological advancement in recent years and the widespread use of magnetism in every sector of the current technology, a search for a low-cost magnetic material has been more important than ever. The discovery of magnetism in alternate materials such as metal chalcogenides with abundant atomic constituents would be a milestone in such a scenario. However, considering the multitude of possible chalcogenide configurations, predictive computational modeling or experimental synthesis is an open challenge. Here, we recourse to a stacked generalization machine learnin...
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2023
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source:PhyResearchers at Harvard University, the Lawrence Berkeley National Laboratory, Arizona State University, and other institutes in the United States have recently observed an antiferromagnetic metal phase in electron-doped NdNiO3 a material known to be a non-collinear antiferromagnet (i.e., exhibiting an onset of antiferromagnetic ordering that is concomitant with a transition into an insulating state).'Previous works on the rare-earth nickelates (RNiO3) have found them to host a rather exotic phase of magnetism known as a 'noncollinear antiferromagnet,'' Qi Song, Spence...
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source:phys.orgRecycling high-value rare earth elements from NdFeB waste can save resources, reduce industrial waste, protect the environment and bring considerable economic benefits. However, most traditional recovery methods take a long time to process, have high acid consumption, and low selectivity.In a study published in Separation and Purification Technology, the research group led by Prof. Yang Fan from Fujian Institute of Research on the Structure of Matter of the Chinese Academy of Sciences proposed a new integrated method for recycling permanent magnet waste by betaine hydrochloride ...
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2023
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