Scanning electron microscopy of the composite shows aluminum nanoparticles in a matrix of gallium. (Credit: Amberchan et al., 2022) Aluminum is a highly reactive metal that can strip oxygen from water ...

Gallium, a metal that melts in the hand, has just surprised scientists. At the atomic level, gallium exhibits peculiarities.

Gallium nitride, a semiconductor that can operate at high voltages, temperatures, and frequencies, has enabled technologies from LED lighting to high-power electronics. Now Cornell researchers have ...

The rapid growth of critical technologies such as 5G telecommunications and electric mobility demands higher power densities, faster switching frequencies, and greater thermal resilience than is ...