Electrically focus-tuneable ultrathin lens for high-resolution square subpixels

Researchers have invented an electrically focus-tunable, graphene-based ultrathin subpixel square lens device that demonstrates excellent focusing performance.

A highly effective and safe nanocrystal to combat dangers of radiation

Inducing surface strain to CeO2/Mn3O4 heterostructured nanocrystals can enhance antioxidant properties.

2D semiconductors found to be close-to-ideal fractional quantum hall platform

Researchers discover a quantum fluid - fractional quantum Hall states, one of the most delicate phases of matter - in a monolayer 2D semiconductor; finding could provide a unique test platform for future applications in quantum computing.

New insights into van der Waals materials

Scientists provide new insights into the interactions of layered materials with laser and electron beams.

Cell 'membrane on a chip' could speed up screening of drug candidates for COVID-19

Researchers have developed a human cell 'membrane on a chip' that allows continuous monitoring of how drugs and infectious agents interact with our cells, and may soon be used to test potential drug candidates for COVID-19.