The nature of the amorphous state is recognized as one of the greatest challenges of condensed matter physics in the XXI century.
14 January 2019
Order-disorder transitions between glassy phases are quite common in nature and yet a detailed description of the structural changes entailed at microscopic scales remains elusive.
CaKFe4As4 and its variations are interesting recent additions to the Fe-based superconductors. This stoichiometric compound exhibits superconductivity below 35 K without chemical substitution.
Valley pseudospin in atomically thin semiconductors has been proposed and pursued as an alternative information carrier to charge.