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Stable glasses

Forming denser glasses on soft substrates

Physical vapour deposition of small-molecule glass formers onto soft substrates enhances the local dynamics at the top free surface, leading to the formation of denser glasses and providing access to states deeper in the potential energy landscape.

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Fig. 1: Comparing stable glass formation on soft PDMS substrates versus hard silicon substrates.

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Correspondence to Connie B. Roth.

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Roth, C.B. Forming denser glasses on soft substrates. Nat. Mater. 23, 587–588 (2024). https://doi.org/10.1038/s41563-024-01881-5

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