Using the Hg_xMg_(1-x) Te ternary compound as a room temperature photodetector: The electronic structure, charge transport, and response function of the energetic electromagnetic radiation

In the present work, firstly, a first-principles study of the structural, electronic, and electron transport properties of the Hg_x Mg_(1-x) Te (HMT) ternary compound is performed using the ABINIT package and the results are compared with Cd_0.9Zn_0.1 Te (CZT) as a current room-temperature photodetector. Next, the response functions of Hg_0.6Mg_0.4 Te and Cd_0.9Zn_0.1 Te under electromagnetic irradiation with 0.05 MeV, 0.2 MeV, 0.661 MeV and 1.33 MeV energies are simulated by using the MCNP code. According to these simulations, the Hg_0.6Mg_0.4 Te ternary compound is suggested as a good semiconductor photodetector for use at room temperature.