High-mobility Si and Ge structures

F Schäffler - Semiconductor Science and Technology, 1997 - iopscience.iop.org
Silicon-based heterostructures have come a long way from the discovery of strain as a new
and essential parameter for band structure engineering to the present state of electron and …

Band engineering at interfaces: theory and numerical experiments

M Peressi, N Binggeli… - Journal of Physics D …, 1998 - iopscience.iop.org
Understanding the mechanisms which determine the band offsets and Schottky barriers at
semiconductor contacts and engineering them for specific device applications are important …

Electronic-band parameters in strained alloys on substrates

MM Rieger, P Vogl - Physical Review B, 1993 - APS
A systematic theoretical study of the electronic properties of pseudomorphic (100)-strained
Si 1− x Ge x alloys grown on unstrained Si 1− y Ge y substrates is presented. Based on …

Si/ge nanostructures

K Brunner - Reports on Progress in Physics, 2001 - iopscience.iop.org
A review is given on the formation mechanisms and the properties of Si/Ge nanostructures
that have been synthesized by self-assembling and self-ordering during heteroepitaxy …

Macroscopic polarization and band offsets at nitride heterojunctions

F Bernardini, V Fiorentini - Physical Review B, 1998 - APS
Ab initio electronic structure studies of prototypical polar interfaces of wurtzite III-V nitrides
show that large uniform electric fields exist in epitaxial nitride overlayers, due to the …

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 …

Subband structure and mobility of two-dimensional holes in strained Si/SiGe MOSFET's

R Oberhuber, G Zandler, P Vogl - Physical review B, 1998 - APS
The hole mobility of p-type strained Si metal-oxide-semiconductor field-effect transistors
(MOSFET's) fabricated on a SiGe substrate is investigated theoretically and compared with …

Polarization-based calculation of the dielectric tensor of polar crystals

F Bernardini, V Fiorentini, D Vanderbilt - Physical review letters, 1997 - APS
We present a novel method for the calculation of the static and electronic dielectric tensor of
polar insulating crystals based on concepts from the modern theory of dielectric polarization …

Band alignment at metal/ferroelectric interfaces: Insights and artifacts from first principles

M Stengel, P Aguado-Puente, NA Spaldin… - Physical Review B …, 2011 - APS
Based on recent advances in first-principles theory, we develop a general model of the band
offset at metal/ferroelectric interfaces. We show that, depending on the polarization of the …

Si/SiGe heterostructure parameters for device simulations

L Yang, JR Watling, RCW Wilkins… - Semiconductor …, 2004 - iopscience.iop.org
This paper is based on a comprehensive review of the literature and our own studies. We
present a summary of the theoretical models and related empirical expressions to evaluate …