
1) Tin chemistry
Found on
https://www.crosswordclues.com/clue/stanene

Stanene is a topological insulator, theoretically predicted by Prof. Shoucheng Zhang`s group at Stanford, which may display dissipationless currents{clarifyme|date=September 2014} at its edges near room temperature. It is composed of tin atoms arranged in a single layer, in a manner similar to graphene. Stanene got its name by combining stannum (....
Found on
http://en.wikipedia.org/wiki/Stanene
No exact match found.