Finding metastable crystal structures in difficult composition spaces on the nanoscale
a Pennsylvania State University
Proceedings of American Conference on Inorganic Nanoscience (ACIN)
Dover, United States, 2025 July 6th - 10th
Poster, Julie Fenton, 110
Publication date: 15th May 2025
Publication date: 15th May 2025
Inorganic nanomaterials display unusual size-dependent properties that differ from the same material in bulk. Non-thermodynamic crystal structures inaccessible in bulk can be obtained as nanocrystals, aided by the energetic impact of the large surface area to volume ratio present in nanoscale solids. This presentation will highlight our group’s efforts to isolate unusual metastable crystal structures as colloidal nanocrystals, with work specifically targeting underexplored composition spaces in nanosynthesis. I will highlight the discovery of a series of rare-earth containing ternary metal chalcogenide nanocrystals that adopt a novel hexagonal crystal structure that does not have a bulk analog in the studied phase space.
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