Author

J. Byun

2 papers indexed here

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Open access Sep 2026

Direct visualization of interfacial defect effects on polarization switching in BaTiO3 tunnel junctions

Deterministic control of polarization switching at complex oxide interfaces is essential for high-performance ferroelectric devices, yet the microscopic competition between external fields and polarization response remains difficult to probe directly. Combining atomic-scale scanning transmission electron microscopy and...

Jeehun Jeong, J. Byun, Xiao-Shan Xu et al. · Science Advances · 0 citations

Jul 2026

Atomic-Scale Visualization of Vacancy-Ordered Intermediates and Pathway Selection in the Perovskite-Infinite-Layer Transformation.

Phase transitions in transition metal oxides involving oxygen exchange underpin functionalities ranging from ionic electronics to infinite-layer superconductivity, yet pathway selection and transient intermediates remain difficult to capture. Here, we resolve the atomistic dynamics of oxygen-mediated topotactic transfo...

Yao-Long Xing, J. Byun, Kyeong Tae Kang et al. · Journal of the American Chem... · 0 citations