Matches in SemOpenAlex for { <https://semopenalex.org/work/W2001125557> ?p ?o ?g. }
- W2001125557 abstract "Amorphous silicon is an important material, amidst a debate whether or not it is a glass. We produce amorphous Si surfaces by ion bombardment and vapor growth, and image discrete Si clusters which hop by two-state dynamics at 295 K. Independent of surface preparation, these clusters have an average diameter of ∼5 atoms. Given prior results for metallic glasses, we suggest that this cluster size is a universal feature. The hopping activation free energy of 0.93±0.15 eV is rather small, in agreement with a previously untested surface glass model. Hydrogenation quenches the two-state dynamics, apparently by increasing surface crystallinity." @default.
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- W2001125557 date "2011-06-10" @default.
- W2001125557 modified "2023-09-23" @default.
- W2001125557 title "Direct Imaging of Two-State Dynamics on the Amorphous Silicon Surface" @default.
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- W2001125557 doi "https://doi.org/10.1103/physrevlett.106.235501" @default.
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