Superconductivity of the compounds PbTe and PbSe under high pressure
Brandt N. B. , Gitsu D. V., Popovich N. S., Sidorov V. I. , Chudinov S. M.
Superconductivity was observed in the high-pressure phases of the compounds PbTe and PbSe at pressure p^z 175 and ~300 kbar, with superconducting-transition temperatures 8 and 6.5°K, respectively.