
ACUTE: Hydrodynamic Modeling
23 Jul 2010  Contributor(s):: Dragica Vasileska
This set of slides clearly explains when and where Hydrodynamic models can be used and what are their limitations.

Quantum Wells, Heterostructures and Superlattices
23 Jul 2010  Contributor(s):: Stephen M. Goodnick, Dragica Vasileska
this is an overview of the analysis and the application of quantum wells, heterostructures and superlattices.

Explanation of Rode's Iterative Procedure
20 Jul 2010  Contributor(s):: David K. Ferry, Dragica Vasileska
This set of slides describes the Rode's iterative procedure for the mobility calculation when the scattering mechanisms are neither elastic nor isotropic such as is polar optical phonon scattering.

Statistical Mechanics
20 Jul 2010  Contributor(s):: Dragica Vasileska, David K. Ferry
This set of slides describes the derivation of FermiDirac, MaxwellBoltzmann and BoseEinstein statistics.

TimeDependent Perturbation Theory
20 Jul 2010  Contributor(s):: David K. Ferry, Dragica Vasileska
This set of slides describes in detail the derivation of Fermi's Golden Rule.

2D Scattering Rates Calculation
20 Jul 2010  Contributor(s):: Dragica Vasileska, David K. Ferry
this set of slides describes the calculation of the 2D scattering rates in Q2DEG.

AQME Exercise: Bound States – Theoretical Exercise
20 Jul 2010  Contributor(s):: Dragica Vasileska, Gerhard Klimeck
The objective of this exercise is to teach the students the theory behind bound states in a quantum well.

ABACUS Exercise: Light Shining on a Semiconductor
20 Jul 2010  Contributor(s):: Dragica Vasileska, Gerhard Klimeck
The objective of this exercise is to examine the behavior of semiconductors under illumination with light.

SCHRED Exercise: MOS Capacitor Analysis
20 Jul 2010  Contributor(s):: Dragica Vasileska, Gerhard Klimeck
The objective of this exercise is to examine the influence of semiclassical and quantummechanical charge description on the lowfrequency CVcurves. It also teaches one the influence of polygate depletion on the lowfrequency CVcurves.

ABACUS Exercise: Carrier Statistics
20 Jul 2010  Contributor(s):: Dragica Vasileska
The objective of this exercise is to derive BoseEinstein and MaxwellBoltzmann statistics.

ABACUS Exercise: Bandstructure – KronigPenney Model and TightBinding Exercise
20 Jul 2010  Contributor(s):: Dragica Vasileska, Gerhard Klimeck
The objective of this exercise is to start with the simple KronigPenney model and understand formations of bands and gaps in the dispersion relation that describes the motion of carriers in 1D periodic potentials. The second exercise examines the behavior of the bands at the Brillouin zone...

ACUTE Exercise: Scattering Rates
20 Jul 2010  Contributor(s):: Dragica Vasileska
The objective of this exercise is to examine first the nonelasticity of the acoustic phonon scattering. Then nonparabolicity of intervalley scattering is revisited and finally alloy disorder scattering has to be derived.

ACUTE Exercise: 2D Scattering Rates
20 Jul 2010  Contributor(s):: Dragica Vasileska
The objective of this exercise is to calculate 2D scattering rate for polar optical phonon scattering.

ABACUS Exercise: Carriers Distribution vs. Energy
20 Jul 2010  Contributor(s):: Dragica Vasileska, Gerhard Klimeck
The objective of this problem is to teach the students how the occupancy function changes with temperature, therefore affecting the population of available energy states in the conduction and valence bands.

ABACUS Exercise: Conductivity and Carrier Concentration
20 Jul 2010  Contributor(s):: Dragica Vasileska, Gerhard Klimeck
The objective of the first problem is to teach the students how to calculate carrier conductivity in a bulk semiconductor material. The objective of the second problem is to calculate the electron and hole concentrations in a bulk sample for fixed donor and varying acceptor concentration.

ABACUS Exercise: Crystal Lattices and Miler Indices
20 Jul 2010  Contributor(s):: Dragica Vasileska, Gerhard Klimeck
The objective of these assignments is to teach the students about crystal lattices and Miler indices for planes and directions.

Atomistic Simulations of Reliability
06 Jul 2010  Contributor(s):: Dragica Vasileska
Discrete impurity effects in terms of their statistical variations in number and position in the inversion and depletion region of a MOSFET, as the gate length is aggressively scaled, have recently been researched as a major cause of reliability degradation observed in intradie and dietodie...

Rode's Method: Theory and Implementation
06 Jul 2010  Contributor(s):: Dragica Vasileska
This set of teaching materials provides theoretical description of the Rode's method for the low field mobility calculation that is accompanied with a MATLAB code for the low field mobility calculation for GaAs material at different temperatures and different doping concentrations. Note that the...

Analytical and Numerical Solution of the Double Barrier Problem
28 Jun 2010  Contributor(s):: Gerhard Klimeck, Parijat Sengupta, Dragica Vasileska
Tunneling is fully quantummechanical effect that does not have classical analog. Tunneling has revolutionized surface science by its utilization in scanning tunneling microscopes. In some device applications tunneling is required for the operation of the device (Resonant tunneling diodes,...

Band Structure Lab Exercise
28 Jun 2010  Contributor(s):: Gerhard Klimeck, Parijat Sengupta, Dragica Vasileska
Investigations of the electron energy spectra of solids form one of the most active fields of research. Knowledge of band theory is essential for application to specific problems such as Gunn diodes, tunnel diodes, photodetectors etc. There are several standard methods to compute the band...