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Description:

Since its fundamental inception from soap bubbles, Plateau’s lawhas sparked
extensive research in equilibrated states. However, most studies primarily
relied on liquids, foams or cellular structures, whereas its applicability has yet
to be explored in nano-scale solid films. Here, we observed a variant Plateau’s
law in networks of atomically thin domes made of solid two-dimensional (2D)
transition metal dichalcogenides (TMDs). Discrete layer-dependent van der
Waals (vdWs) interaction energies were experimentally and theoretically
obtained for domes protruding in different TMD layers. Significant surface
tension differences from layer-dependent vdWs interaction energies manifest
in a variant of this fundamental law. The equivalent surface tension ranges
from 2.4 to 3.6 N/m, around two orders of magnitude greater than conventional
liquid films, enabling domes to sustain high gas pressure and exist in a
fundamentally variant nature for several years. Our findings pave the way
towards exploring variant discretised states with applications in opto-electromechanical
devices.

Rights:

• Creative Commons BY Attribution 4.0 International
  

Keyword: Transition Metal Dichalcogenide, Plateau's Law, Minimum Equilibrium, Surface Tension, Nanodomes

Date published: 2023-02-24

Publisher: Springer Science and Business Media LLC

Journal:

• Nature Communications (ISSN: 20411723) vol. 14 issue. 1 1050

Funding:

• Department of Education and Training | Australian Research Council DP220102219, DP180103238, LE200100032, CE170100012

Manuscript type: Publisher's version (Version of record)

MDR DOI:

First published URL: https://doi.org/10.1038/s41467-023-36565-2

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Updated at: 2025-06-09 16:30:20 +0900

Published on MDR: 2025-06-09 16:21:30 +0900