The absence of grain boundaries significantly improves how long “hot” electrons hold onto their high energies and how easily they can be exploited
Read article: Monocrystalline gold brings electronic devices near the efficiency limit
Effect could be used in microscopy with high spatial and temporal resolution
Read article: Nonlinear optical states are imprinted on an electron beam
Results could have applications for studies of high-temperature superconductors and neutron stars
Read article: Physicists take the temperature of second sound
A metal-free nanozyme based on graphene quantum dots inhibits tumour growth in mice with no off-target toxicity
Read article: Metal-free graphene quantum dots show potential for cancer treatment
Noise reduction in Josephson junctions could be used in metrology standard
Read article: Quieter quantum device measures electrical current
First experimental evidence of true vacuum “bubbles” could have implications for cosmology as well as condensed-matter physics
Read article: Physicists observe false vacuum decay in a ferromagnetic superfluid
New device switches between two operating modes as it is extended and contracted and might also be deployed in space
Read article: Collapsible helix antenna could aid disaster recovery
High-temperature superconductor solenoid focuses antiparticles
Read article: New positron source could give lepton colliders a boost
New two-dimensional compound could be used to study interactions that produce unconventional superconductivity and related quantum phenomena
Read article: Heavy fermions appear in a layered intermetallic crystal
A simple test using inhalable nanoparticle sensors and low-cost lateral flow assays could provide an accessible option for diagnosing early-stage lung cancer
Read article: Inhalable nanosensors could increase access to lung cancer screening
