Department of Studies and Research (DSR) in Physics;
Center of Calculation;
Modeling and Simulation (CCMS);
College of Sciences and Techniques (CST);
University of Sciences;
Techniques;
and Technologies of Bamako (USTTB);
Bamako;
Mali;
Department of Mathematics and Physics (DMP);
Southern University and A & M College;
Baton Rouge;
LA;
USA;
Louisiana State University (LSU);
Baton Rouge;
LA;
USA;
Gallium Antimonide; BZW Method; Self-Consistent Calculation; Density Functional Theory; Band Gap;