来源：ACS PublicationsRare earth elements (REEs) play a significant role in a wide range of emerging green energy and defense applications. The increasing demand urges more REE production, thereby necessitating the development of new energy-efficient extraction processing technologies. This study investigated the use of dense media separation (DMS) as a preconcentration technique for sorting REE-bearing ores prior to the conventional beneficiation step. It was demonstrated that DMS can separate most REE-bearing carbonates into the sink fraction, while silicates are separated into the float fracti...
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2026
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来源：ACS PublicationsYtterbium(III) complexes have attracted growing interest due to their unique magnetic properties and potential applications in molecular magnetism. From this perspective, the synthesis, structural characterization, and magnetic and theoretical studies of a new mononuclear Yb(III) complex, [YbI2(OPPh3)4](I3) (1), are reported. Compound 1 features a six-coordinate Yb(III) ion that adopts a distorted octahedral geometry with two axial iodide ions (I–) and four equatorial triphenylphosphine oxide (Ph3PO) ligands. Magnetic studies reveal that complex 1 exhibits entirely visible o...
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2026
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来源：ACS PublicationsThe growing demand for nonreciprocal optical devices has intensified the need for high-performance magneto-optical materials. Yttrium iron garnet (YIG) stands out for its excellent magnetic and magneto-optical characteristics. In this work, centimeter-sized dysprosium-doped YIG single crystals were successfully synthesized via the top-seeded solution growth method. The integration of Dy3+ ions significantly reduces both coercivity and saturation magnetization compared with pure YIG, enabling magnetic saturation under lower external fields. The as-grown crystal exhibits ferri...
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2026
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来源：ACS PublicationsThe selective separation of rare-earth elements (REEs) from uranium tailings is essential for radioactive waste management and the sustainable development of nuclear energy. This study demonstrates the highly selective electrochemical separation of erbium (Er) and europium (Eu) employing a liquid zinc cathode in molten LiCl-KCl. Through a suite of electrochemical techniques coupled with semi-integral and semidifferential analyses, we systematically elucidated the reduction pathways, product solubility, and underpotential deposition behavior of Er(III) and Eu(III) on the liqu...
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2026
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