Articles tagged with Europium
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Researchers at Kumamoto University have successfully grown a bulk inorganic crystal from water that emits circularly polarized light. This breakthrough material has the potential to revolutionize security printing, advanced displays, and photonic technologies with simple inorganic chemistry.
Researchers at AIMR discovered that Europium substitution in Cu2O catalysts allows for selective control of electrochemical CO2 reduction products. By leveraging the Eu3+/Eu2+ redox couple, they demonstrated how subtle changes in electronic structure can favor either C-C coupling or deep hydrogenation.
Researchers investigated the luminescence characteristics of Eu-doped CaF₂ crystals under alpha and X-ray irradiation. They found that the ratio of Eu²⁺-induced emission to Eu³⁺-induced emission varies depending on the radiation type, with differences in light color potentially used to identify radiation types.
Researchers at the University of Texas at Austin have developed an artificial membrane channel that can selectively transport middle rare earth elements, such as europium and terbium, while excluding other ions. This breakthrough could increase domestic supply and decrease reliance on costly imports.
A team of researchers has developed a simple and efficient method to separate and recover rare earth metals from complex mixtures, including Europium. This approach uses tetrathiometallates to reduce the need for chemical- and energy-intensive separation processes, making it a more environmentally friendly and economically viable option.
Researchers used density functional theory to identify possible europium compounds as a new quantum memory platform. They synthesized one of the predicted compounds, Cs2NaEuF6, which is an air-stable material that could be used in scalable quantum computing.
Researchers at UNIST have developed a method to measure nanometer-sized samples within a transmission electron microscope, utilizing nano-thermometers based on cathodoluminescence spectroscopy. The technique offers improved accuracy and spatial resolution compared to conventional methods.
A new cancer GPS method uses a water-soluble, luminescent europium complex to evaluate the malignancy grade of model glioma tumor cells without causing harm. The method measures changes in the lifetime of the complex's red-light emission, revealing differences in tumor activity and growth processes between different malignancy grades.
A novel transparent spectral converter, GdPO4-GC:Eu3+/Pr3+, absorbs UV photons and re-emits them as visible light, increasing photovoltaic devices' conversion efficiency. This technology shields PCs from UV damage and enhances their sensitivity to UV photons.
Researchers at Argonne National Laboratory have developed a way to rotate a single molecule, europium complex, clockwise or counterclockwise on demand. This technology could lead to breakthroughs in microelectronics, quantum computing and more.
A team of scientists from the Helmholtz-Zentrum Dresden-Rossendorf investigated how four different fungal species interact with europium, a rare earth element. They found that fungi like the Split-Gill can bind up to four times more europium compared to other species, and that the binding site and transport mechanisms differ among them.
A team of researchers has discovered a new complex europium hydride, Eu8H46, which has a structure of 54 atoms. The discovery was made possible by the efficient USPEX crystal structure prediction tool, which helped understand and explain experimental data.
Researchers at Hokkaido University developed a stacked nanocarbon antenna that makes europium shine brighter than previous designs, with potential to create more efficient photosensitizers. The new design uses low-energy blue light absorption, reducing energy loss and enabling photodynamic therapy applications.
Graphene has been made luminescent by incorporating europium, allowing it to emit visible light from energy. This breakthrough could lead to new uses in biological materials and tissue analysis.
A Kanazawa University-led team has created a method to extract rare earth elements from spent phosphors in fluorescent lamps using chelator chemistry and mechano-chemical energy. The process results in recoveries of 53% to 84% of the metals, offering a sustainable solution for technology
Scientists at Ames Laboratory have discovered a rare-earth intermetallic with an unusual magnetoelastic transition that displays a sharp magnetic phase change, giant magnetocaloric effect, and no hysteresis. This discovery has the potential to lead to the development of new materials for applications like magnetic refrigeration.
Researchers have identified a europium-containing enzyme in Methylacidiphilum fumariolicum SolV, which is essential for the bacterium's growth and catalyzes methanol conversion. The study reveals that the type of rare earth element bound affects enzyme activity.
A group of Brazilian researchers have discovered an ultrafast way to magnetize matter using minimal energy. Using a technique called magnetization by light, they were able to align the spins of 6,000 electrons in just 50 picoseconds with a single photon.
Researchers from Rice University found that garnet steals the most iron from continents, contradicting 40-plus years of geophysical thinking. This discovery has weighty implications for understanding Earth's atmosphere and potentially Mars' rusty landscape.
Scientists discovered a new type of vibration in europium silicide nanoislands that dissipates heat more effectively. The study used nuclear inelastic scattering to measure the energy spectrum of atomic vibrations and found that the vibrations of atoms in the crystal lattice can be tailored for specific thermal properties.
The new method minimizes waste generation and energy consumption, allowing for the recycling of rare-earth metals at a higher rate. By pairing specific ions, the researchers can filter out individual metal cations, enabling their separation and recovery.
Researchers at Lehigh University and international collaborators found that small quantities of oxygen are needed to enhance the optical properties of Eu-doped GaN devices. The study utilized native oxygen in Eu(RE)-doped GaN for enabling device compatibility in optoelectronic applications.
Researchers at KU Leuven have developed a new method to separate rare earth metals europium and yttrium using UV light. This process recovers over 95% of the europium from a liquid mixture, making it an efficient alternative to traditional methods.
Researchers developed two europium complex-based compounds with record-high luminescence efficiency in red light, suitable for OLED applications. The materials' stability and ability to be produced from solutions make them promising for various fields, including displays, lighting components, and anticancer therapies.
Thin films of europium titanate become both ferroelectric and ferromagnetic when stretched across a substrate, displaying electrical properties 1,000 times better than existing materials. This breakthrough could lead to the development of next-generation memory storage, magnetic sensors, and highly tunable microwave devices.
Researchers discovered europium becomes superconducting under high pressure, expanding the list of elemental superconductors. This breakthrough adds data to theoretical models of superconductivity, potentially leading to room-temperature superconductors.
Researchers at UC Davis have created luminescent, magnetic nanoparticles that can be used for tests of environmental pollution and contamination in food products. The particles can also be labeled with antibodies or DNA for genetic analysis, and have the potential to revolutionize medical diagnostics.