Recent advances in low‐dimensional heterojunction‐based tunnel field effect transistors

Y Lv, W Qin, C Wang, L Liao… - Advanced Electronic …, 2019 - Wiley Online Library
Since the continuous scaling down of the transistor channel length, extraordinary
improvement is achieved in the switching speed. However, the rising leakage current …

Subthreshold swing saturation of nanoscale MOSFETs due to source-to-drain tunneling at cryogenic temperatures

KH Kao, TR Wu, HL Chen, WJ Lee… - IEEE Electron …, 2020 - ieeexplore.ieee.org
According to quantum transport simulations, source-to-drain tunneling (SDT) has been
recognized as the main cause leading to subthreshold swing (SS) saturation and …

Mobility extraction in SOI MOSFETs with sub 1 nm body thickness

M Schmidt, MC Lemme, HDB Gottlob, F Driussi… - Solid-state …, 2009 - Elsevier
In this work we discuss limitations of the split-CV method when it is used for extracting carrier
mobilities in devices with thin silicon channels like FinFETs, ultra thin body silicon-on …

Multi‐Scale Modeling of Tunneling in Nanoscale Atomically Precise Si: P Tunnel Junctions

MB Donnelly, MM Munia, JG Keizer… - Advanced Functional …, 2023 - Wiley Online Library
Controlling electron tunneling is of fundamental importance in the design and operation of
semiconductor nanostructures such as field effect transistors (FETs) and quantum computing …

Unit cell restricted Bloch functions basis for first-principle transport models: Theory and application

MG Pala, P Giannozzi, D Esseni - Physical Review B, 2020 - APS
We present the theory and the application of a first-principle transport model employing a
basis set obtained directly from the ab initio Bloch functions. We use a plane-wave density …

Band-structure effects on the performance of III–V ultrathin-body SOI MOSFETs

Y Liu, N Neophytou, G Klimeck… - IEEE transactions on …, 2008 - ieeexplore.ieee.org
This paper examines the impact of band structure on deeply scaled III-V devices by using a
self-consistent 20-band-SO semiempirical atomistic tight-binding model. The density of …

Engineering Nanowire n-MOSFETs at

SR Mehrotra, SG Kim, T Kubis… - … on Electron Devices, 2013 - ieeexplore.ieee.org
As metal-oxide-semiconductor field-effect transistors (MOSFETs) channel lengths (Lg) are
scaled to lengths shorter than Lg<; 8 nm source-drain tunneling starts to become a major …

A tight-binding study of the ballistic injection velocity for ultrathin-body SOI MOSFETs

Y Liu, N Neophytou, T Low, G Klimeck… - IEEE transactions on …, 2008 - ieeexplore.ieee.org
This paper examines the validity of the widely used parabolic effective mass approximation
by computing the ballistic injection velocity of a double-gate, ultrathin-body (UTB) n …

Insight into conduction band density of states at c-Si/TiO2 interface for efficient heterojunction solar cell

SS Bagade, PK Patel - Physica Scripta, 2023 - iopscience.iop.org
Carrier selective solar cell has become one of the hot spots in the area of Si solar cell. The
proposed architecture FTO/TiO 2/c-Si/ia-Si: H/Cu 2 O/back contact studied through …

Full-band quantum simulation of electron devices with the pseudopotential method: Theory, implementation, and applications

MG Pala, D Esseni - Physical Review B, 2018 - APS
This paper presents the theory, implementation, and application of a quantum transport
modeling approach based on the nonequilibrium Green's function formalism and a full-band …