Stabilization of Undercooled Metals via Passivating Oxide Layers
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Abstract
Cool frustration: Engineering composition across a thin surface oxide layer of a metal particle, and stabilizing it with appropriate ligands, leads to a sharp surface stress that frustrates solidification. Chemical potential gradients from compositional variation and ligand inductive effects all contribute to stabilization of a metastable state. An undercooled liquid metal particle is formed, highlighting a new paradigm in engineering energy landscape of a material using thin surface layer, as described by Martin Thuo et al. in their Research Article (DOI: 10.1002/anie.202013489).
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This is the peer-reviewed version of the following article: Angewandte Chemie International Edition, which has been published in final form at DOI: 10.1002/anie.202013489. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving. Posted with permission.