Patent ID: 9589631
Date: 2017-03-07
CPC Classifications: G11B,G11C

Claim:
1. An ultrafast quench based nonvolatile bistable device which shows a change of reflectivity, transmittance or electrical resistance of a solid state material as a result of the transition from state A to state B, where state A is in a stable thermodynamic state of the material and state B, where state B is a mesoscopically textured state, wherein State B is a stable thermodynamic state of the material formable solely through an temporally short external perturbation resulting in a rapid quench through a phase transition, wherein the temporally short external perturbation is caused by an ultrashort laser pulse or an ultrafast electrical disturbance, and wherein the material used is a polytype of TaS2 or transition metal dichalcogenides, trichalcogenides.