Investigation of structural properties of epitaxially grown Hg0.84Zn0.16Te under application of hydrostatic pressure

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Abstract
Energy dispersive x-ray diffraction measurements have been performed at room temperature under conditions of hydrostatic pressure to 11.0 GPa for the purpose of examining the structural properties of Hg0.84Zn0.16Te. The transition from the zinc blende to the cinnabar phase is determined to be 3.1±0.1 GPa; the diatomic equivalent of the beta-Sn phase is observed at 10.6±0.2 GPa. Comparison of volume compressibility and B3-to-B9 transition pressure of Hg0.84Zn0.16Te with those of HgTe and Hg0.8Cd0.2Te suggests that the effect of replacing Hg with Zn is to stabilize the B3 phase and to make it less compressible.