Preprint
Sep 2026
Colossal reversible conductivity switching by room-temperature oxygen-vacancy ordering in Aurivillius oxide films
Oxygen vacancies are central to the functionality of oxides, yet they typically exist as randomly distributed point defects, limiting the ability to precisely manipulate their collective behavior. Here, we report the room-temperature formation of a long-range-ordered oxygen-vacancy superstructure in single-crystalline...
Song Zhou, Songge Zhang, Lan-Ting Shi et al.
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