source:SMALL CAPSMacro Metals (ASX: M4M) has identified high-grade hematite outcrops and subcrops over a prospective target area at the southern extent of its Goldsworthy East iron ore project in Western Australia.Scree samples, visually comprised entirely of hematite mineralisation with patches of specular hematite, have also been discovered at the target, making it appear visually similar to ore mined from the Goldsworthy open pit 1,800 metres along strike to the west.Significant assays from these samples included up to 65.04% iron, up to 3% aluminium oxide, up to 4.26% silicon dioxide and u...
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2024
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source:TOHOKU UNIVERSITYResearchers have pioneered a breakthrough in ferroelectric material development. They've engineered a novel displacement-type ferroelectric material boasting remarkable dielectric properties. Their achievement includes the successful synthesis of rubidium niobate (RbNbO3), a compound previously deemed challenging to produce under pressures exceeding 40,000 atmospheres. Additionally, they characterized how polarization changes across a wide temperature range during phase transitions. This breakthrough can lead to new design guidelines for ferroelectric materials.Capa...
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2024
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source: Tohoku UniversityAn international group of researchers has developed a novel approach that enhances the efficiency of the oxygen evolution reaction (OER), a key process in renewable energy technologies. By introducing rare earth single atoms into manganese oxide (MnO2), the group successfully modulated oxygen electronic states, leading to unprecedented improvements in OER performance.Their findings were published in the journal Nano Energy on June 10, 2024.Transition-metal-based oxides have been widely explored for their potential as active OER catalysts. However, the capacity of these...
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2024
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source: Sandia National LaboratoriesResearch team studies selective sponges for rare-earth elementsSandia National Laboratories intern Kadie Marie Mei Sanchez works on a mass spectrometer used for quantifying the concentration of metals, such as the rare-earth elements separated by the tailored MOFs. Credit: Sandia National LaboratoriesRare-earth elements are everywhere in modern life, found in everything from the smart device you're reading this on to the LED lightbulbs overhead and neodymium magnets in electric vehicles and wind turbines.However, purifying these critical metals from ores...
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2024
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