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| Autori principali: | , , , , |
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| Natura: | Artículo Open Access |
| Pubblicazione: |
Wiley
2024
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| Soggetti: | |
| Accesso online: | https://ceramics.onlinelibrary.wiley.com/doi/10.1111/jace.19741 |
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Sommario:
- Unraveling medium‐range order and melting mechanism of ZIF‐4 under high temperature Zuhao Shi Bin Liu Yuanzheng Yue Arramel Arramel Neng Li Journal of the American Ceramic Society Abstract Glass formation in zeolitic imidazolate frameworks (ZIFs) has garnered significant attention in the field of metal–organic frameworks (MOFs) in recent years. Numerous works have been conducted to investigate the microscopic mechanisms involved in the melting–quenching process of ZIFs. Understanding the density variations that occur during the melting process of ZIFs is crucial for comprehending the origins of glass formation. However, conducting large‐scale simulations has been challenging due to limitations in computational resources. In this work, we used deep‐learning methods to accurately construct a potential function that describes the atomic‐scale melting behavior of ZIF‐4. The results revealed the spatial heterogeneity associated with the formation of low‐density phases during the melting process of ZIF‐4. This work discusses the advantages and limitations of applying deep‐learning simulation methods to complex structures like ZIFs, providing valuable insights for the development of machine‐learning approaches in designing MOF glasses. 10.1111/jace.19741 http://onlinelibrary.wiley.com/termsAndConditions#vor