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Tunneling heterojunctions (THJs) have confined states close to the tunneling region, which significantly affect their transport properties. Accurate numerical modeling of THJs requires combining the nonequilibrium coherent quantum transport through the tunneling region as well as the quasi-equilibrium statistics arising from the strong scattering in the confined states. In this paper, a novel atomistic...
The downscaling of electronic devices has reached a regime where quantum and atomistic effects govern the active part of the device while semi-classical physics still plays a very important role for the remaining parts. A multiscale transport simulation approach is therefore developed in NEMO5 tool to address this issue. In this approach, nonequilibrium Green's function (NEGF) equations with atomistic...
Multi-band k ⋅ p models discretized with finite difference method (FDM) have been widely used to study electronic properties of semiconductor nanostructures. However, different schemes of FDM exist in the literature, some of them are numerically unstable leading to spurious states [1][2], while others are stable but require special treatment of the boundary conditions and/or the material interfaces...
Two widely used algorithms in computational electromagnetics (CEM) society, namely the asymptotic waveform evaluation (AWE) technique and the model order reduction (MOR) mode matching method, are employed to calculate electron wave propagation in novel nanoelectronic devices.
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