Impermeable Atomic Membranes from Graphene Sheets

Details Impermeable Atomic Membranes from Graphene Sheets Impermeable Atomic Membranes from Graphene Sheets

2008-05-21

arxiv.org/abs/0805.3309v1

Physics

Condensed Matter

Materials Science

Scientific paper

We demonstrate that a monolayer graphene membrane is impermeable to standard gases including helium. By applying a pressure difference across the membrane, we measure both the elastic constants and the mass of a single layer of graphene. This pressurized graphene membrane is the world's thinnest balloon and provides a unique separation barrier between 2 distinct regions that is only one atom thick.

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