Functionalized recycled polyethylene terephthalate plastic by rare earth oxide for electronic device and housing infrastructure applications source:scientific repoetsRecycled polyethylene terephthalate (RPET) was doped with Neodymium Oxide (Nd2O3: 0, 1, 2, 4, and 8 wt.%) to investigate its structural, optical, dielectric, and mechanical properties. X-ray diffraction (XRD) analysis revealed that pure RPET exhibited an amorphous structure, while the incorporation ofNd2O3 induced the formation of crystalline phases, with crystallinity increasing as the Nd2O3 concentration increased. Fourier-...
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2025
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source:ACS PublicationsA novel synthetic route to the triple-decker benzene tetra-anion complexes [(η5-C5iPr5)M(μ:η6:η6-C6H6)M(η5-C5iPr5)] is reported for a range of early and late rare-earth elements, i.e., M = Y, La, Sm, Gd, and Dy (1M). The lanthanum complex 1La is the first benzene tetra-anion complex of the largest rare-earth element. Aromaticity in the 10π-electron benzene ligands is confirmed through crystallographic studies of all compounds and nucleus-independent chemical shift calculations on 1Y and 1La. Analysis of the bonding in 1Y and 1La using density functional theory revealed s...
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2025
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03
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source:ACS PublicationsRare earth (RE)-based complexes, due to their unique electronic structures, exhibit excellent fluorescence properties with high quantum yield and a long lifetime. From an application perspective, exploring RE-based complexes in luminescent optoelectronic devices asks for effective modulation approaches that control the luminescent properties. Here we report an electrically modulated fluorescence phenomenon in an RE-based complex, namely Eu16(μ4-F)6(μ3-F)12(tBuCOO)18[N(CH2CH2O)3]4 (EuFC-16) particles, which effectively controls the optical behavior of individual particles...
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2025
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source:resourceworldCritical Metals Corp. [NASDAQ: CRML] has released historical drilling results from the Tanbreez Project, one of the largest, rare earth deposits in the world located in Southern Greenland.“These exceptional assay results from historical deep drilling confirm substantial high-grade, high tonnage potential that extends far deeper than previously documented at Tanbreez,” said Tony Sage, CEO and Chairman. “This confirmation of deep mineralization represents a significant strategic advantage as we position Critical Metals to become a leading western supplier of these essential m...
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2025
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