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Cornell University
LASSP -  Laboratory of Atomic and Solid State Physics

Cornell Laboratory for Atomic and Solid State Physics

Andreas Hermann and Neil Ashcroft theorize properties of astatine

Andreas Hermann and Neil Ashcroft along with Roald Hoffmann from chemistry have developed a theory describing the properties of astatine. This radioactive rare element has remained a mystery since its synthesis in 1940. Read more in the Chronicle. View full article at Physical Review Letters.

Astatine ground-state Cmca structure