Worked Examples for Carrier Statistics (basic)
16 Aug 2010 | Contributor(s): Saumitra Raj Mehrotra, Dragica Vasileska, Gerhard Klimeck
Several worked out examples are presented that illustrate the basic concept of carrier concentration in semiconductors.
Worked Examples for a PN Diode
01 Jun 2010 | Contributor(s): Dragica Vasileska, Gerhard Klimeck
several worked examples are presented that illustrate the operation of a PN diode.
Why Computational Electromagnetics?
28 Jul 2011 | Contributor(s): Dragica Vasileska
This set of lectures explains the need for computational electromagnetics and what methods are available for solving electromagnetic problems.
What are the proper transport models at the nanoscale?
30 Jun 2011 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck
This presentation is part of the series Nanoelectronics and Modeling at the Nanoscale
Verification of the Validity of the PN Junction Tool
08 Jun 2010 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck
These simulations and comparisons with the depletion charge approximation prove the validity of the PN Junction tool.
Verification of the Validity of the MOSFET Tool
11 Oct 2010 | Teaching Materials | Contributor(s): Saumitra Raj Mehrotra, Dragica Vasileska, Gerhard Klimeck
Output characteristics of a bulk MOSFET are computed using MOSFET lab and compared with an analytical model based on Bulk-Charge theory. Parasitic resistance is used as a fitting parameter in the analytical model. MATLAB script used for verification is also available for download.
Verification of the Validity of the MOSCap Tool
11 Aug 2010 | Teaching Materials | Contributor(s): Saumitra Raj Mehrotra, Dragica Vasileska, Gerhard Klimeck
Numerical results for Surface Potential Vs Gate Bias are compared with analytical results to prove the validity of MOSCap Lab.
Verification of the Validity of the Drift-Diffusion Lab Tool
Drift-Diffusion Lab results are verified analytically. In the first test minority carrier concentration is computed in a semiconductor slab with constant carrier Generation rate (/cm3.s). In the second test bias is applied across a semiconductor slab and current is computed both analytically and...
Verification of the Validity of the BJT Tool
24 Aug 2010 | Teaching Materials | Contributor(s): Saumitra Raj Mehrotra, Dragica Vasileska, Gerhard Klimeck
A pnp BJT in Common-Base configuration is analyzed both analytically and numerically using BJT Lab. DC current gain and Output characteristics are computed.MATLAB script used is also available for download.
Verification of the Validity of Bulk Bandstructure Lab
10 Aug 2010 | Teaching Materials | 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.
Uniform versus delta doping in 1D heterostructures: an Exercise
0.0 out of 5 stars
15 Aug 2008 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck
This exercise is designed to demonstrate that delta doping leads to larger sheet electron density in the channel and it also allows for better control of the charge density in the channel region of High Electron Mobility Transistors (HEMTs).
Tutorial on Semi-empirical Band Structure Methods
06 Jul 2008 | Teaching Materials | Contributor(s): Dragica Vasileska
This tutorial explains in details the Empirical Pseudopotential Method for the electronic structure calculation, the tight-binding method and the k.p method. For more details on the Empirical Pseudopotential Method listen to the following presentation:Empirical Pseudopotential Method Described...
Tutorial for PADRE Based Simulation Tools
10 Aug 2009 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck
This tutorial is intended for first time and medium level users of PADRE-based simulation modules installed on the nanohub. It gives clear overview on the capabilities of each tool with emphasis to most important effects occuring in nano-scale devices.
Tunneling Through Triangular Barrier: an Exercise for PCPBT
23 Jul 2008 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck
This exercise teaches the users that a very good result can be obtained when the triangular barrier is approximated with 11 segment piece-wise constant potential barrier steps. www.eas.asu.edu/~vasilesk NSF
Tunneling
29 Jul 2011 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck
This set of slides describes the quantum-mechanical process for tunneling and how it is accounted for in modeling semiconductor devices. We explain WKB approximation, transfer matrix approach and the Tsu-Esaki formula for the calculation of the current.
Transport in a weak magnetic field
28 Jun 2011 | Teaching Materials | Contributor(s): Dragica Vasileska
This set of handwritten notes is part of the Semiconductor Transport class.
Towards Quantum Mechanics
07 Jul 2008 | Teaching Materials | Contributor(s): Dragica Vasileska
This tutorial gives an overview of the development of science and how quantum-mechanics is starting to get into our every day life. These slides have been adopted from Motti Heiblum original presentation.Motti Heiblumwww.eas.asu.edu/~vasileskNSF
Time-Dependent Perturbation Theory: an Exercise
5.0 out of 5 stars
10 Jul 2008 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck
www.eas.asu.edu/~vasileskNSF
Time-Dependent Perturbation Theory and Variable Matrix Element
This set of handwritten notes is part of the semiconductor transport class. It gives the derivation of the Fermi's Golden Rule.
Time-Dependent Perturbation Theory
20 Jul 2010 | Teaching Materials | Contributor(s): David K. Ferry, Dragica Vasileska
This set of slides describes in detail the derivation of Fermi's Golden Rule.
Tight-Binding Band Structure Calculation Method
02 Jun 2010 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck
This set of slides describes on simple example of a 1D lattice, the basic idea behind the Tight-Binding Method for band structure calculation.
Thermoelectric Effects
Thermal effects
27 Jul 2011 | Teaching Materials | Contributor(s): Dragica Vasileska
This set of lecture notes explains electro-thermal and thermo-electric effects as they occur in semiconductor materials and devices.
Theory of PN Diodes
23 Jun 2009 | Teaching Materials | Contributor(s): Dragica Vasileska
This set of slides is intended to explain the operation of a PN diode to students.
Test for SCHRED
20 Jul 2011 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck
This is a test that checks the knowledge of the students before and after performing the exercises in the Schred Learning Module. It examines whether students understand concepts of quantum confinement, MOS capacitance and average distance of the carriers.