Perovskite crystals, unlike silicon, can be mechanically, variably, reversibly, precisely bent/ tuned via light frequency and power
"once light removed, ABX3 octahedron crystal returns to original state, repeatable indefinitely without degradation... allows organic / inorganic species mixing, enabling cheaper manufacture/ more flexible applications than gallium arsenide or silicon... micro-scale components moving/ applying force using light instead of electricity, highly sensitive detectors responding to specific light environments with physical change, photonic communications devices that can be reconfigured on the fly using light as trigger."
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