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Revolutionary Ferroelectric Bubbles Transform Data Storage Techniques

10/1/2025

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Summary

Story summary

Ferroelectric topological textures enable non-volatile, high-density information storage.
In CuInP2S6 ferroelectric crystals, polarization bubbles form at high density without engineered heterostructures.
Piezoresponse force microscopy shows bubble-domain formation in polar phase coexistence, tunable by external stimuli such as mechanical force, while labyrinth domains can become isolated bubbles via polar phase competition and flexoelectricity.

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Story summary

Ferroelectric topological textures enable non-volatile, high-density information storage.
In CuInP2S6 ferroelectric crystals, polarization bubbles form at high density without engineered heterostructures.
Piezoresponse force microscopy shows bubble-domain formation in polar phase coexistence, tunable by external stimuli such as mechanical force, while labyrinth domains can become isolated bubbles via polar phase competition and flexoelectricity.