Quantum effects on electronic transport in semiconductor nanostructures are studied by calculating the conductance, using a nearest-neighbor tight binding Hamiltonian and a recursive Green's function approach. The effects of structure geometry, electrical potentials, impurities, and magnetic fields on the conductance of nanochannels, quantum wires, and dots are explored.
By improving the understanding of charge transport fundamentals in such structures, these theoretical studies support the future development of ultra-small, ultra-fast electronic devices.
Professors Yong Joe and Mahfuza Khatun lead condensed matter physics groups that also include Professors Feng Jin, Tony Cancio and Eric Hedin and teams of graduate and undergraduate students.
Computational work of the group is accomplished locally on computing facilities at Ball State and on the Convex 3880 supercomputer at the Center for Supercomputing Applications at the University of Illinois. Other faculty involved in this area of research include; Professor Antonio Cancio, Professor Arkadiy Satanin, and Professor Ioan Sturzu.
Professor Muhammad Maqbool is studying the thin film growth surface characterization of semiconductors using scanning electron microscopy (SEM), x-ray diffraction (XRD), and energy dispersive x-ray spectroscopy (EDX) are performed. The optical, spectroscopic and luminescence properties of semiconductors using photoluminescence (PL), and cathodoluminescence (CL) are explored for applications in optical technology and photonics industries.
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