Multivalley 3D Electronic Structure of PbSe from Soft-X-Ray ARPES and First-Principles Calculations

Zefeng Cai, Valentine V. Volobuev, Jędrzej Korczak +7

PbSe is a narrow-gap IV-VI semiconductor, whose multivalley valence bands, with maxima at the L, $\Sigma$, and $\Delta$ points, underpin its intermediate-temperature thermoelectric propertie…