Atomistic full-band simulations of silicon nanowire transistors: Effects of electron-phonon scattering

M Luisier, G Klimeck - Physical Review B—Condensed Matter and Materials …, 2009 - APS
An atomistic full-band quantum transport simulator has been developed to study three-
dimensional Si nanowire field-effect transistors in the presence of electron-phonon …

Atomistic simulation of realistically sized nanodevices using NEMO 3-D—Part I: Models and benchmarks

G Klimeck, SS Ahmed, H Bae… - … on Electron Devices, 2007 - ieeexplore.ieee.org
Device physics and material science meet at the atomic scale of novel nanostructured
semiconductors, and the distinction between new device or new material is blurred. Not only …

Onsite matrix elements of the tight-binding Hamiltonian of a strained crystal: Application to silicon, germanium, and their alloys

YM Niquet, D Rideau, C Tavernier, H Jaouen… - Physical Review B …, 2009 - APS
We discuss a model for the onsite matrix elements of the sp 3 d 5 s∗ tight-binding
Hamiltonian of a strained diamond or zinc-blende crystal or nanostructure. This model …

Strained germanium thin film membrane on silicon substrate for optoelectronics

D Nam, D Sukhdeo, A Roy, K Balram, SL Cheng… - Optics express, 2011 - opg.optica.org
This work presents a novel method to introduce a sustainable biaxial tensile strain larger
than 1% in a thin Ge membrane using a stressor layer integrated on a Si substrate. Raman …

Roadmap to an efficient germanium-on-silicon laser: strain vs. n-type doping

B Dutt, DS Sukhdeo, D Nam, BM Vulovic… - IEEE Photonics …, 2012 - ieeexplore.ieee.org
We provide a theoretical analysis of the relative merits of tensile strain and n-type doping as
approaches to realizing an efficient low-power germanium laser. Ultimately, tensile strain …

Bandgap engineering of group IV materials for complementary n and p tunneling field effect transistors

R Kotlyar, UE Avci, S Cea, R Rios, TD Linton… - Applied Physics …, 2013 - pubs.aip.org
Direct bandgap transition engineering using stress, alloying, and quantum confinement is
proposed to achieve high performing complementary n and p tunneling field effect …

Electroluminescence from strained germanium membranes and implications for an efficient Si-compatible laser

D Nam, D Sukhdeo, SL Cheng, A Roy… - Applied physics …, 2012 - pubs.aip.org
We demonstrate room-temperature electroluminescence (EL) from light-emitting diodes
(LEDs) on highly strained germanium (Ge) membranes. An external stressor technique was …

Transferable tight-binding model for strained group IV and III-V materials and heterostructures

Y Tan, M Povolotskyi, T Kubis, TB Boykin, G Klimeck - Physical Review B, 2016 - APS
It is critical to capture the effect due to strain and material interface for device level transistor
modeling. We introduce a transferable sp 3 d 5 s* tight-binding model with nearest-neighbor …

Performance analysis of statistical samples of graphene nanoribbon tunneling transistors with line edge roughness

M Luisier, G Klimeck - Applied Physics Letters, 2009 - pubs.aip.org
Using a three-dimensional, atomistic quantum transport simulator based on the tight-binding
method, we investigate statistical samples of single-gate graphene nanoribbon (GNR) …

Unfolding of electronic structure through induced representations of space groups: Application to Fe-based superconductors

M Tomić, HO Jeschke, R Valentí - Physical Review B, 2014 - APS
We revisit the problem that relevant parts of band structures for a given cell choice can
reflect exact or approximate higher symmetries of subsystems in the cell and can therefore …