Microscopic theory of nanostructured semiconductor devices: beyond the envelope-function approximation

A Di Carlo - Semiconductor Science and Technology, 2002 - iopscience.iop.org
Modern electronic and optoelectronic devices are approaching nanometric dimensions
where microscopic details cannot be treated in an effective way. Atomistic approaches …

Tight-binding approach to uniaxial strain in graphene

VM Pereira, AH Castro Neto, NMR Peres - Physical Review B—Condensed …, 2009 - APS
We analyze the effect of tensional strain in the electronic structure of graphene. In the
absence of electron-electron interactions, within linear elasticity theory, and a tight-binding …

Electronic structure of silicon-based nanostructures

GG Guzmán-Verri, LC Lew Yan Voon - Physical Review B—Condensed Matter …, 2007 - APS
We have developed a unifying tight-binding Hamiltonian that can account for the electronic
properties of recently proposed Si-based nanostructures, namely, Si graphene-like sheets …

Atomistic theory of transport in organic and inorganic nanostructures

A Pecchia, A Di Carlo - Reports on Progress in Physics, 2004 - iopscience.iop.org
As the size of modern electronic and optoelectronic devices is scaling down at a steady
pace, atomistic simulations become necessary for an accurate modelling of their structural …

Orbitronics: The Intrinsic Orbital Current in -Doped Silicon

BA Bernevig, TL Hughes, SC Zhang - Physical review letters, 2005 - APS
The spin Hall effect depends crucially on the intrinsic spin-orbit coupling of the energy band.
Because of the smaller spin-orbit coupling in silicon, the spin Hall effect is expected to be …

Temperature dependence of silicon carrier effective masses with application to femtosecond reflectivity measurements

DM Riffe - JOSA B, 2002 - opg.optica.org
The conductivity effective masses of electrons and holes in Si are calculated for carrier
temperatures from 1 to 3000 K. The temperature dependence of the electron mass is …

Tight-Binding Studio: A technical software package to find the parameters of tight-binding Hamiltonian

M Nakhaee, SA Ketabi, FM Peeters - Computer Physics Communications, 2020 - Elsevier
Abstract We present the Tight-Binding Studio (TB Studio) software package that calculates
the different parameters of a tight-binding Hamiltonian from a set of Bloch energy bands …

Octupolar order and Ising quantum criticality tuned by strain and dimensionality: Application to -orbital Mott insulators

S Voleti, A Haldar, A Paramekanti - Physical Review B, 2021 - APS
Recent experiments have discovered multipolar orders in a variety of d-orbital Mott
insulators. Motivated by uncovering the exchange interactions which underlie octupolar …

Band structure of hydrogenated Si nanosheets and nanotubes

GG Guzmán-Verri, LCLY Voon - Journal of Physics: Condensed …, 2011 - iopscience.iop.org
The band structures of fully hydrogenated Si nanosheets and nanotubes are elucidated by
the use of an empirical tight-binding model. The hydrogenated Si sheet is a semiconductor …

Comparison of quantum spin Hall states in quasicrystals and crystals

H Huang, F Liu - Physical Review B, 2019 - APS
We theoretically study the quantum spin Hall states in an Ammann-Beenker-type octagonal
quasicrystal and a periodic snub-square crystal, both sharing the same basic building …