%AZhou, Jianshi%AFiete, Gregory%BJournal Name: Physics Today; Journal Volume: 73; Journal Issue: 1 %D2020%I %JJournal Name: Physics Today; Journal Volume: 73; Journal Issue: 1 %K %MOSTI ID: 10189554 %PMedium: X %TRare earths in a nutshell %X %0Journal Article