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Verification of the Validity of Bulk Bandstructure Lab

10 Aug 2010 | Contributor(s): Dragica Vasileska, Gerhard Klimeck

This set of slides compares the optical gaps for Si, Ge and GaAs with those given in www.ioffe.ru, thus verifying the validity of the bulk Bandstructure Lab tool.

Carrier Statistics Tool Verification

10 Aug 2010 | Contributor(s): Saumitra Raj Mehrotra, Dragica Vasileska, Gerhard Klimeck

This test verifies the Carrier Statistics Tool by comparing the numerically computed and analytically extracted, electron and hole carrier densities. The results are close within 2% of margin.

ABACUS: MOSFET - Diffusion Process

09 Aug 2010 | Contributor(s): Dragica Vasileska, Gerhard Klimeck

The goal of this assignment is to make familiar the students the required doses in the diffusion step of fabrication of semiconductor devices to get certain values of the volume doping densities.

ABACUS: Test for PN Junction Lab

The objective of this test is to give an idea to a self-learning students or to instructors in the case this test is used in a classroom the level of understanding of this topic when students have gone through the learning material, worked exercises and have completed the assignments and the...

ABACUS: Test for PCPBT Lab

05 Aug 2010 | Contributor(s): Dragica Vasileska, Gerhard Klimeck

ABACUS: Test for Periodic Potential Lab

ABACUS: Test for Crystal Viewer Tool

Description of the K.P Method for Band Structure Calculation

05 Aug 2010 | Contributor(s): Dragica Vasileska

This set of slides describes the k.p mehod for band structure calculation.

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.

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.

High Field Transport and the Monte Carlo Method for the Solution of the Boltzmann Transport Equation

This set of slides first describes the path-integral solution of the BTE and then discusses in details the Monte Carlo Method for the Solution of the Boltzmann Transport Equation.

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.

Time-Dependent 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.

Statistical Mechanics

This set of slides describes the derivation of Fermi-Dirac, Maxwell-Boltzmann and Bose-Einstein statistics.

Explanation of Rode's Iterative Procedure

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.

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 opti-cal phonon scattering.

ACUTE Exercise: Scattering Rates

The objective of this exercise is to examine first the non-elasticity of the acoustic phonon scattering. Then non-parabolicity of intervalley scattering is revisited and finally alloy disorder scattering has to be derived.

ABACUS Exercise: Bandstructure – Kronig-Penney Model and Tight-Binding Exercise

20 Jul 2010 | Contributor(s): Dragica Vasileska, Gerhard Klimeck

The objective of this exercise is to start with the simple Kronig-Penney 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...

ABACUS Exercise: Carrier Statistics

The objective of this exercise is to derive Bose-Einstein and Maxwell-Boltzmann statistics.

SCHRED Exercise: MOS Capacitor Analysis

The objective of this exercise is to examine the influence of semiclassical and quantum-mechanical charge description on the low-frequency CV-curves. It also teaches one the influence of poly-gate depletion on the low-frequency CV-curves.

ABACUS Exercise: Light Shining on a Semiconductor

The objective of this exercise is to examine the behavior of semiconductors under illumination with light.

AQME Exercise: Bound States – Theoretical Exercise

The objective of this exercise is to teach the students the theory behind bound states in a quantum well.

ABACUS Exercise: Crystal Lattices and Miler Indices

The objective of these assignments is to teach the students about crystal lattices and Miler indices for planes and directions.

ABACUS Exercise: Conductivity and Carrier Concentration

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: Carriers Distribution vs. Energy

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.