Heterogeneous to Homogeneous Melting Transition Observed During a Single Process

The melting mechanism at medium heating rates is unclear, owing to the lack of accurate characterizations of structural changes in poly-directional melting conditions. Here, a particular multilayered nanostructure was selected to control the propagation of melting in a single direction. We predicted...

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Bibliographic Details
Main Authors: Xue-Qi Lv, Shi-Xin Cong, Xiong-Ying Li, Chun-Ming Xia
Format: Article
Language:English
Published: MDPI AG 2024-11-01
Series:Crystals
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Online Access:https://www.mdpi.com/2073-4352/14/12/1047
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Summary:The melting mechanism at medium heating rates is unclear, owing to the lack of accurate characterizations of structural changes in poly-directional melting conditions. Here, a particular multilayered nanostructure was selected to control the propagation of melting in a single direction. We predicted the heterogeneous to homogeneous melting (HeM to HoM) transition during a single melting process at medium heating rates of 10–400 K/ps by molecular dynamics (MD) simulations, without a change in heating rates. The information on structural changes for the HeM to HoM transition, including the loss of crystallinity and long- and short-range order, are clearly provided by both a single direction and the radial distribution functions. These results contribute to a more comprehensive understanding of the HeM to HoM transition induced by heating rates.
ISSN:2073-4352