Properties of Fe Doped β-HgS under Hydrostatic Pressure

High pressure- high temperature studies of the structural (zinc blende- cinnabar) phase transitions were performed in Hg$\text{}_{1-x}$Fe$\text{}_{x}$ S mixed crystals (x<0.1) using synchrotron radiation and multianvil X-ray diffraction press. Pressure investigations of the Hall effect and conductivity of crystals containing up to a few percent of Fe were also performed at 295 K and 77 K. It was demonstrated that Fe in β-HgS creates deep, localized donor state resonant with the conduction band.