Improvement of program to calculate electronic properties of narrow band gap materials

Physics

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Computer Programs, Computerized Simulation, Energy Gaps (Solid State), Mercury Cadmium Tellurides, Mercury Tellurides, Narrowband, Zinc Compounds, Acceptor Materials, Crystal Defects, Donor Materials, Momentum, Permittivity, Vax Computers

Scientific paper

The program was improved by reprogramming it so it will run on both a SUN and a VAX. Also it is easily transportable as it is on a disk for use on a SUN. A computer literature search resulted in some improved parameters for Hg(1-x)Cd(x)Te and a table of parameters for Hg(1-x)Zn(x)Te. The effects of neutral defects were added to the program, and it was found, as expected, that they contribute very little to the mobility at temperatures of interest. The effect were added of varying the following parameters: dielectric constants, screening parameters, disorder energies, donor and acceptor concentrations, momentum matrix element, different expressions for energy gap, and transverse effective charge.

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