Materials Physics News Explained for Pupils
Recent materials physics, solids, superconductors and strange matter stories explained for pupils.
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Materials archive
Week beginning 3 August 2026
Nuclear fusion in metal foils: why quantum tunnelling matters at low energies
Experiments with deuterium-loaded palladium and titanium foils found that fusion yields stopped falling as expected below about 2 keV. The result suggests that a solid material can change the environment in which nuclei tunnel and react, although the absolute fusion rate remains far too small for power generation.
Why pressure can make electric-car batteries last longer
University of Cambridge researchers found that keeping lithium-ion pouch-cell electrodes under a carefully controlled stack pressure could double their cycle life. Too little pressure encouraged cathode cracking, while too much promoted lithium plating, so the result is about finding a narrow engineering balance rather than simply squeezing a battery harder.
How heat-transfer fins help phase-change materials store energy faster
Three-dimensional simulations show that several well-spaced fins can melt a phase-change material more effectively than one large fin. The reason is not just extra conduction: liquid in the gaps starts circulating and transfers energy, while fins placed too close together can interfere with one another.
Week beginning 29 June 2026
Attosecond microscope tracks electron tunnelling in space and time
An ultrafast scanning tunnelling microscope has followed electron wave packets over attoseconds and atomic distances, revealing a 500-attosecond response delay and a practical space-time limit for electron imaging.
Single trapped ion maps tiny electromagnetic fields above a chip
ETH Zurich researchers moved one laser-cooled beryllium ion through three dimensions to map electric and magnetic fields above a chip, detecting oscillating fields as small as 10 nanovolts per metre.
Graphene hosts superconducting states strengthened by magnetic fields
Four- and five-layer rhombohedral graphene produced several zero-resistance states, including superconductivity that survived 8.5-tesla fields and became stronger under conditions that usually destroy electron pairing.
Week beginning 15 June 2026
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