This might be it, but the link is to the iucr homepage: Google: "letter to the editor" two-dimensional "layer groups" graphene iucr
[image: image.png] On Fri, 23 Dec 2022 at 09:53, Matthew Rowles <rowle...@gmail.com> wrote: > Hi all > > A while ago (months, years??) I recall reading an editorial or letter to > the editor about materials being referred to as "2D", and how they're > actually 3D, and just periodic in the plane, and should be referred to as > 2P and a relevant layer group. > > Does anyone recall such a thing? > > > Thanks > > Matthew >
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