Articles tagged with Neodymium
Researchers found that fluctuations in seawater chemistry followed the rhythm of ice ages, driven by Icelandic ice sheet dynamics. Volcanic material from Iceland released neodymium with distinct radiogenic signatures, influencing ocean circulation and geochemical cycles.
Researchers have developed a technique to detect and measure the concentration of rare-earth elements in plants without destroying them. The method uses fluorescence spectroscopy to distinguish between autofluorescence from plant matter and rare-earth element uptake.
Researchers at Rice University have discovered a new way to enable pi interactions between dioxygen and f-block metals like neodymium, creating lanthanide-oxos. This breakthrough could lead to the development of highly reactive molecules as synthetic replacements for iron-oxo.
A recent study shows that electric vehicle manufacturers can reduce their material demands by nearly 15% by adopting a circular manufacturing system decision-making model. This approach enables product design that facilitates eventual remanufacture and reuse, or recycling, resulting in production cost savings of 18.6% and overall carbo...
A new study reveals that Amazonian mangrove forests release essential trace elements like neodymium into the ocean, supporting marine ecosystems and the carbon cycle. Mangroves act as biochemical reactors, releasing nutrients and metals into coastal waters.
A team of researchers led by UC Santa Barbara's Justin Wilson has developed a technique to purify certain rare earth elements at room temperature using optimized chelators. This new process can concentrate dysprosium by a factor of over 800, compared to less than 10 for the industry standard.
Scientists have developed a new approach to simulate the magnetization reversal of Nd-Fe-B magnets, shedding light on microstructural features hindering coercivity. The digital twins can guide the development of sustainable permanent magnets with ultimate performance.
Researchers at PNNL have developed a simple, water-based solution to separate and purify rare earth elements from e-waste. The new process uses the unique properties of metals to form solids at different rates, resulting in nearly pure minerals recovered in hours rather than days.
New research reveals that the Amazon estuary receives significant dissolved neodymium and hafnium from the Rio Pará River, contrary to previous assumptions about suspended solid sources. The findings indicate a revised estimate of global riverine neodymium flux, with concentrations up to three times higher than previously thought.
Scientists discovered that 12 strains of cyanobacteria can passively collect rare earth elements from wastewater through a process called biosorption. This process has great potential for the circular recovery and reuse of rare earth metals in industries such as mining, electronics, and chemicals.
Researchers successfully demonstrate room-temperature multiband microlasers spanning a large wavelength range using rare earth elements. The lasing process combines downshifting and upconversion, expanding the emission wavelength range. The resulting microlasers exhibit good intensity stability and are suitable for practical applications.
Researchers analyzed fossil corals to reveal changed ocean current circulation patterns. The data supports a scenario where the upper Pacific Ocean was more mixed during the last ice age, contributing to carbon storage and cooler climates.
Physicists observe unique behavior in neodymium material when heated, where magnetic spins form a static pattern; this phenomenon is counterintuitive and rare in nature. The discovery may lead to new information storage or computational concepts.
Researchers at NIMS successfully fabricated high-performance neodymium magnets using machine learning, optimizing processing conditions with limited experimental data. By leveraging active learning and Bayesian optimization, they were able to achieve better magnetic properties than conventional sintered magnets.
A new nanotechnology developed by Penn State researchers selectively recovers neodymium and other rare earth elements from electronic waste using plant cellulose. The process is environmentally friendly and can separate neodymium in seconds, making it a sustainable solution for recycling.
A new method developed by Penn State and LLNL demonstrates a promising way to extract and separate rare earth elements from low-grade sources. The protein-based approach separates metals with greater than 99% purity, offering a more efficient and eco-friendly alternative to traditional methods.
Researchers at MIT have found a way to control antiferromagnetic switching in neodymium nickelate, enabling potentially faster and more secure data storage. The discovery could lead to new types of memory devices using antiferromagnets.
Researchers discovered that sodium and potassium make rare earth elements soluble, allowing for better predictions of their concentrations. This breakthrough could lead to new discoveries of neodymium and dysprosium deposits, essential for digital and clean energy manufacturing.
Researchers developed a boron-doped anisotropic Sm(Fe0.8Co0.2)12 thin film with exceptional magnetic properties. The compound showed a large coercivity of 1.2 T and a remanent magnetization of 1.5 T, outperforming previously studied Sm(Fe0.8Co0.2)12 compounds.
Researchers at Radboud University and Uppsala University have discovered a new type of magnetic behavior in neodymium, where atomic spins form patterns that whirl like a helix but constantly change. This phenomenon, known as a self-induced spin glass, could pave the way for new materials for artificial intelligence.
A world-first study has discovered a new technique to create stronger, lightweight magnesium alloys using atomic-resolution X-ray mapping. The finding significantly improves the structural integrity of automotive and aerospace industries by increasing the boundary pinning effect and strengthening the alloy.
A new study challenges the US Department of Energy's plan to expand offshore wind power, citing supply chain issues with rare earth metals like neodymium. The researchers found that creating a domestic program could raise questions about natural resource consumption and recyclability.
Researchers at the University of California - San Diego have developed a new laser material that combines high power density, ultra-short pulses, and superior thermal shock resistance. The material is achieved through a novel materials processing strategy that dissolves high concentrations of neodymium ions into alumina crystals.
A team of researchers discovered that changes in the Antarctic Ocean facilitated long-term storage of carbon dioxide during the last ice age. The study suggests that as the climate warmed, this stored carbon was released, contributing to global warming.
Researchers found that dust-derived nutrients can be vital to mountain ecosystems, even when nutrient supply from bedrock is substantial. This phenomenon is not limited to the Sierra Nevada and has been observed worldwide.
Scientists have found evidence of Earth's first example of recycling, where its own crust was reworked and reused over 4 billion years ago. The discovery uses neodymium isotope analysis to study variations in the element's abundance, indicating that ancient rocks were compositionally similar to younger basaltic oceanic crust.
Scientists from OIST Graduate University have modelled a spin liquid, showing disorder can co-exist with order in magnetic materials. The discovery offers exciting possibilities for new discoveries in physics and paves the way for finding real magnets in multiple states at once.
Floodwaters in Vermont (2011) and Colorado (2013) highlighted the impact of downstream increases and decreases in stream power on erosion and sedimentation. The study successfully predicted river channel and floodplain responses in almost 90% of cases, revealing the potential role of downstream changes in stream power.
Researchers at the University of Pennsylvania have developed a new method to recycle rare-earth magnets, simplifying the process and increasing efficiency. The technique uses standard laboratory equipment and can separate neodymium and dysprosium from used electronics in just minutes.
Climate scientists report that deep ocean currents stalled or slowed at around 950,000 years ago, leading to longer and more intense ice ages. The slowdown increased carbon dioxide storage in oceans, keeping temperatures cold and triggering a new phase of colder ice ages.
Researchers found that deep ocean currents stalled or stopped, increasing carbon dioxide storage and suppressing temperatures. This led to longer, more intense ice age cycles, as the climate system entered a new phase of colder but less frequent ice ages.
Researchers found high levels of Hafnium 176 and low levels of Neodymium 143 in ancient seawater, indicating the presence of exposed landmasses. This discovery provides insights into weathering processes during the Neoarchean period.
An interdisciplinary team from Jülich and Aachen produced robust magnetic molecules with neodymium, enabling direct electrical readout. These molecules could replace conventional electronic components, reducing energy consumption and increasing data processing capabilities.
Researchers at MIT found evidence of two separate collisional events: one 50 million years ago and another 10 million years later. The team analyzed rocks from the Himalayas and discovered a new timeline for India's collision with Asia, suggesting that part of ancient India 'Greater India' was smaller than previously thought.
New research from the University of Missouri examines past greenhouse climate intervals to understand interactions among atmosphere, oceans, and climate. The study found changes in ocean circulation patterns 70 million years ago could help scientists understand modern increases in greenhouse gases.
The increasing demand for rare earth elements and critical minerals poses significant geopolitical challenges, threatening the global clean energy economy. The US, China, and other countries are exploring strategies to secure domestic supplies and mitigate supply risks.
Researchers found evidence for the oldest Earth mantle reservoir on Baffin Island, dating back to between 4.55 and 4.45 billion years ago. The discovery suggests an alternative to the traditional chondritic model of the Earth's composition.