Extended Data Figure 6: MD simulations of a monolayer of water in a 6.5-Å-high graphene capillary. | Nature

Extended Data Figure 6: MD simulations of a monolayer of water in a 6.5-Å-high graphene capillary.

From: Square ice in graphene nanocapillaries

Extended Data Figure 6: MD simulations of a monolayer of water in a 6.5-Å-high graphene capillary.

Only one layer of water molecules can fit in. Red and grey circles represent oxygen and hydrogen atoms, respectively. Square ice is formed in this case, independently of whether the confinement is provided by rigid (a) or flexible (b) graphene sheets.

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