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This is their referenced 2013 paper on the subject:

https://www.researchgate.net/publication/258423577_Data_Stor...

Clearly they have been working on this for over a decade.

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I wanted to check the journal where it was published, there are good journals and bad journals.It's very strange that the doi is dead. I found this http://www.aspbs.com/graphene/contents_graphene2013.htm but it's also full of dead links.
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The journal (Graphene, ASP) ceased operations and the DOI infrastructure went dark. The paper itself is archived at ResearchGate: researchgate.net/publication/258423577. The content is independently verifiable.
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First PhD: algebraic cryptanalysis (Pisa). Second PhD: exact solutions to the Schrödinger equation for few-body systems (UCF). Both unrelated to fluorographane — the connection emerged later.
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