A molten-salt method expands the family of nitride nanomaterials and may matter for printed electronics and durable flexible devices.
Gallium nitride is an essential semiconductor for LEDs and power electronics. Producing it as well-controlled nanocrystals has remained difficult.
A University of Chicago and Argonne team reports a molten-salt route that creates nitride particles which can be processed like other colloidal nanomaterials.
This is a materials and manufacturing advance, not a finished product. Scaling, stability and device integration still require validation.
Fluorescence polarization helps capture rapid events. The finest resolution still requires an image series.
A chain of linked helicenes amplified a weak chiral cue from beta-pinene and aligned almost entirely in one direction. Its switchable optical response remains a laboratory result and works best at −90 °C.
A GaAs/AlGaAs layer with TiO₂ nanopillars made an unusually strong nonlinear response accessible from free space. This is a laboratory proof of concept, not a finished optical chip.
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