Stoichiometry Determination Across the Face of Hg_(1-x)Cd_xTe Semiconductors

摘要

Variation of E_1 and E_1+DELTA_1 band gap energies of mercury cadmium telluride with composition x across the face of a number of p-type and n-type samples have been determined.A three-dimensional presentation of these variations has been introduced.Hg_(1-x)Cd_xTe belongs to the class of pseudobinary alloys of the form A_(1-x)B_XC.The compound,Hg_(1-x)Cd_xTe is a valuable infrared detector.There is an increasing interest in studying different chemical and physical properties of the compound.The alloy has two conductive transitions,E_1 and E_1+DELTA_1 in the range of 2.0-4.0 photon energy and has been studied experimentally and theoretically.