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Oxidation pathway selection directed by atomic surface steps
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DOI：10.1016/j.matt.2026.102704.png)
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Abstract
En 中文
• Step polarity acts as a geometric switch for lateral vs. inward oxidation • Coordination-driven energetics create an intrinsic downward diffusion bias • Rectified adatom flux feeds positive steps but drains negative steps • Flux routing via step geometry determines macroscopic oxide morphology
Keywords:
Step polarity
Oxidation pathway
Surface steps
Diffusion bias
Oxide morphology
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