161 citations · 614 across the 17 of their papers we have counts for
17 papers
Transferable tight binding model for strained group IV and III-V materials and heterostructures
Yaohua Tan, Michael Povolotskyi, Tillmann Kubis +2
It is critical to capture the effect due to strain and material interface for device level transistor modeling. We introduced a transferable sp3d5s* tight binding model with neares…
Transferable tight binding model for strained group IV and III-V heterostructures
Yaohua P. Tan, Michael Povolotskyi, Tillmann Kubis +2
In this work, transferable empirical tight binding parameters of strained group IV and III-V semiconductors are generated from ab-initio calculations. The empirical tight binding p…
Tight binding analysis of Si and GaAs ultra thin bodies with subatomic resolution
Yaohua P. Tan, Michael Povolotsky, Tillmann Kubis +2
Empirical tight binding(ETB) methods are widely used in atomistic device simulations. Traditional ways of generating the ETB parameters rely on direct fitting to bulk experiments o…
Brillouin zone unfolding method for effective phonon spectra
Timothy B. Boykin, Arvind Ajoy, Hesameddin Ilatikhameneh +2
Thermal properties are of great interest in modern electronic devices and nanostructures. Calculating these properties is straightforward when the device is made from a pure materi…
An Environment-dependent Semi-Empirical Tight Binding Model Suitable for Electron Transport in Bulk Metals, Metal Alloys, Metallic Interfaces and Metallic Nanostructures I - Model and Validation
Ganesh Hegde, Michael Povolotskyi, Tillmann Kubis +2
Semi-Empirical Tight Binding (TB) is known to be a scalable and accurate atomistic representation for electron transport for realistically extended nano-scaled semiconductor device…
Giant Quasiparticle Bandgap Modulation in Graphene Nanoribbons Supported on Weakly Interacting Surfaces
Xueping Jiang, Neerav Kharche, Paul Kohl +5
In general, there are two major factors affecting bandgaps in nanostructures: (i) the enhanced electron-electron interactions due to confinement and (ii) the modified self-energy o…