Berkeley Lab researchers have discovered a new class of phase-change materials that could be applied to phase-change random access memory technologies and possibly optical data storage technologies. The binary eutectic-alloy nanostructures (BEANs) are nanocrystal alloys of a metal and semiconductor.
This schematic shows enthalpy curves sketched for the liquid, crystalline and amorphous phases of a newclass of nanomaterials called "BEANs" for BinaryEutectic-Alloy Nanostructures. Credit: Daryl Chrzan
The researchers expect that the two structures' electronic transport and optical properties will differ significantly, and that this difference can be tuned via modifications in composition.
From Berkeley Lab News Center
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