Prof. ZHU Ye, Associate Professor of the Department of Applied Physics, has recently published his research in Nature, the world’s leading multidisciplinary science journal. The study, entitled “Intrinsic Polar Vortex Crystals in A‑site Layer‑ordered Perovskites,” reports the discovery of an exotic two‑dimensional polar topological structure that forms spontaneously with a periodicity as small as 4 nanometres in a class of perovskite oxide materials.
This breakthrough reveals a previously unexplored polar topology with significant potential for next‑generation high‑density data storage applications. The research team further identified the phonon exchange mechanism in complex oxides as the driving force behind the emergence of this novel topological phase, offering new insights into the fundamental physics of functional materials.
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