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Science

Submission + - Pockets in graphene layers allow viewing of liquids with an electron microscope (bbc.co.uk)

slew writes: Looking at liquids w/ a transmission electron microscope (TEM) to observe things like crystal growth has been difficult to do. This is because liquids need to be confined to a capsule to view them in a TEM (because the electrons are flying at the sample in a chamber near vaccuum pressures where liquids would evaporate or sublimate). Traditional capsules of Silicon Oxide or Silicon Nitride have been fairly opaque. This paper describes a new technique with a "pocket" created between two graphene layers which can hold liquids for observation by a TEM and the graphene is apparently much more transparent than previous materials allowing a better view of the processes (like crystalization), taking place in the liquid. Here's non-paywalled summary article...
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Pockets in graphene layers allow viewing of liquids with an electron microscope

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