Revealing the (111) surface electronic structure of epitaxially grown Na${}_2$KSb photocathode

N. Yu. Solovova, V. A. Golyashov, S. V. Eremeev +5

A recent study has established the Na${}_2$KSb(Cs) photocathode as a highly efficient emitter of spin-polarized electrons. However, the electronic structure of alkali antimonides rem…