Metals – Page 2
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ResearchWhy are there metal particles in never-used cannabis vapes?
Findings cast doubt on past research showing metals are solely released by e-cigarettes when the devices’ coils are heated
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OpinionHigh entropy or just complex?
Several elements mixed in a single crystal phase isn’t necessarily a high entropy material
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FeatureMarvellous mixtures of metals
High entropy alloys, with anywhere from five or more different metals, have unusual properties and could find use in a variety of high-tech applications. Clare Sansom reports
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FeatureThe archaeologists saving Africa’s ironworking heritage
The fires of traditional African iron smelters burned out a century ago and now the researchers dedicated to uncovering their stories are disappearing from the continent too, writes Hayley Bennett
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FeatureThe liquid metals giving catalysis a new phase
They’re not like solid metals or like other liquids, but scientists are starting to understand and exploit them. James Mitchell Crow reports
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ResearchHigh-entropy alloy nanoparticles made with 17 different metals
Liquid gallium matrix enables mixing of elements that were otherwise immiscible
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ResearchMetallic hydrogen and diamonds may have been made from plastics
A combination of x-ray diffraction experiments and simulations suggests that an intense laser can transform polystyrene
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ResearchNew theory provides answers to why metals have the structures that they do
The simple concept shows that a metal’s structure results from chemical interactions between localised electrons, challenging the traditional free electron gas model
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ResearchPolymer shows some backbone as it becomes first with extended metal spine
Construction process for 21-atom-long one-dimensional nickel wires could find use in nanoelectronics
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NewsResource conflict likely to expand as world heads into ‘low-cooperation era’
Critical metals such as cobalt and vanadium could be fought over in the near future, World Economic Forum report claims
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ResearchFlexible batteries kept stable with stretchy metallic films
Liquid metals that block out air and water could improve the lifetime of stretchable electronics
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ResearchTerminator material helps Lego man break out of jail
Material changes from solid to liquid in response to magnetic field
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ResearchPowerful rare-earth free magnet ‘evolved’ and refined by machine learning algorithm
Combination of iron, cobalt and boron points to alternatives to metals beset by geopolitical battles
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ResearchMachine learning navigates vast materials space to discover new high-performance alloys
Neural net suggested unusual element combination to create better Invar alloys
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ResearchExplaining the mysterious purple gold at Spain's Alhambra
Chemical corrosion converts gold leaf into purple nanospheres
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ResearchMetallic deuterium made at pressures rivalling those found at the centre of a planet
Synthesis could aid study of high-pressure superconductors
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BusinessUkraine invasion rattles global supply chains
Russia’s war against Ukraine will impact supplies of metals, noble gases and more
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ResearchSqueezed crystal becomes better catalyst
Fine-tuning platinum’s lattice strain with removable atomic spacers boosts its catalytic activity by up to 50%
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ResearchNew process could turn scrap metal into hi-tech steel in demand for cars and alloys
Ultra-low carbon steel created electrochemically