Iron is the main ingredient in various forms ... Carbon (C): Carbon, a nonmetallic element, forms a number of organic and inorganic compounds and can be found in coal, petroleum and limestone.

The team from the Collaborative Research Center (CRC) CataLight at the Universities of Ulm and Jena has now shown that iron ...

In contrast with the cuprates, in the iron-based superconductors the undoped parent compounds are not Mott insulators, thus suggesting that correlations are not as strong as in the cuprates.