Materials

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Top tips for physics outreach from a prize winner, making graphene more sustainable

Venkat Srinivasan: ‘Batteries are largely bipartisan’

Energy storage expert Venkat Srinivasan discusses the pros and cons of different battery technologies and the motivations people have for adopting them

How to boost the sustainability of solar cells

Roadmap authors look to the future of photovoltaic technologies in this podcast

Research headlines

A nanoplatelet, shown as a yellow block of material, with hundreds of blue, worm-like ligand structures attached to its surface

Nanocrystal shape affects molecular binding

Flatter nanocrystals are unexpectedly good at getting ligands to attach to them, which could have applications in electronics and biomedical science

A scanning electron microscope image of Au3+ extraction and reduction by the graphene oxide/chitosan sponge. The Au3+ appears as a yellow blob stuck to a pink-tinged, lumpy background

Eco-friendly graphene composite recovers gold from e-waste

New graphene-biopolymer material extracts gold ions 10 times more efficiently than other adsorbents

A bright white wave peak passes through spheres of red and blue arrows pointing outward, resembling spiky hedgehogs

Orbital angular momentum monopoles appear in a chiral crystal

Experimental observations at the Swiss Light Source could advance the development of energy-efficient memory devices based on "orbitronics"

Liquid-crystal bifocal lens excels at polarization and edge imaging

Applied voltage adjusts intensity at twin focal points

A spider's hook-shaped fang with a strand of silk fibre laid across it

Spiders use physics, not chemistry, to cut silk in their webs

New work resolves a longstanding debate and could aid the development of new cutting tools

Quantum material detects tiny mechanical strains

Sensitivity of vanadium-oxide-based device breaks previous record by more than an order of magnitude

Videos

Eco chic: clothing made from trees, inspired by spiders

Innovation in diamond applications from Element Six

Researchers at the Centre for Print Research

Bristol print innovators make a strong impression

Physics World Careers

The 2024 edition of Physics World Careers is packed full of advice for early-career scientists. Including a range of valuable advice, informative case studies and recruiter profiles, it demonstrates the variety of jobs that use a physics degree.

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Unlocking the future of materials science with magnetic microscopy

JPhys Materials explore some of the key magnetic imaging technologies for the upcoming decade

noncontact atomic force microscopy and computational modelling was used to determine the structure of the aluminium oxide surface

Aluminium oxide reveals its surface secrets

New non-contact atomic force microscopy images shed more light on the "enigmatic insulator" aluminium oxide

Pele’s hair-raising physics: glassy gifts from a volcano goddess

Volcanic hairs and tears reveal a wealth of information about what lies within lava

To boost battery recycling, keep a close eye on the data

Real-time analysis can drive improvements that benefit manufacturers as well as the environment, says Kalle Blomberg

Individual silk protein molecules, or “silk fibroins” (blue), are deposited on a graphene surface surrounded by water (green and red spheres) and grow into an atomically precise 2D sheet

Silk-on-graphene films line up for next-generation bioelectronics

Researchers have grown a uniform two-dimensional layer of silk protein fragments on a van der Waals substrate for the first time

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