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Renewable Energy Sources

17 May 2010 | Contributor(s): Dragica Vasileska

This presentation in pictures describes possibilities and utilization of alternative (green) sources of energy. Many sources contributed in the creation of this presentation.vasileska.faculty.asu.eduNSF

Basics of Quantum Mechanics

01 Jun 2010 | Contributor(s): Dragica Vasileska

Classical vs. Quantum physics, particle-wave duality, postulates of quantum mechanics

Slides: Examples and Stark Effect

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10 Jul 2008 | Teaching Materials | Contributor(s): Dragica Vasileska, David K. Ferry

www.eas.asu.edu/~vasileskNSF

Physical and Mathematical Description of the Operation of Photodetectors

07 Jun 2010 | Teaching Materials | Contributor(s): Dragica Vasileska

This set of slides describes physical and mathematical description of the operation of photodetectors including important figures of merit.

Crystal Directions and Miller Indices

04 Jun 2010 | Teaching Materials | Contributor(s): David K. Ferry, Dragica Vasileska, Gerhard Klimeck

Miller indices are a notation system in crystallography for planes and directions in crystal lattices. In particular, a family of lattice planes is determined by three integers, l, m, and n, the Miller indices. They are written (lmn) and denote planes orthogonal to a direction (l,m,n) in the...

Solar Cells Operation and Modeling

15 Jul 2010 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck

This set of slides decribes the basic principles of operation of various generations on solar cells with emphasis to single crystalline solar cells. Next, semiconductor equations that describe the operation of a solar cell under simplified conditions is given. Finally, modeling of single junction...

Smith Chart Examples

02 Aug 2011 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck

Smith charts are used in RF applications to represent S-parameters and reflection coefficients of a two-port network. Examples are also given on calculation of the S-parameters for MEMT Structures using Silvaco ATLAS BLAZE module. Matching network construction is also illustrated.

Reading Material: Time Independent Schrodinger Wave Equation (TISWE)

07 Jul 2008 | Teaching Materials | Contributor(s): Dragica Vasileska

Slides: Zeeman Splitting

10 Jul 2008 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck

Solar Cells Numerical Solution

01 Jun 2010 | Teaching Materials | Contributor(s): Dragica Vasileska

This is an MS Thesis of Balaji Padmanabhan, a student of Prof. Vasileska. It describes numerical solution details for the 3D drift-diffusion equations as applied to modeling 1D-3D solar cells.

Slides: WKB Approximation 1

09 Jul 2008 | Teaching Materials | Contributor(s): Dragica Vasileska, David K. Ferry

Empirical Pseudopotential Method: Theory and Implementation

16 May 2010 | Teaching Materials | Contributor(s): Dragica Vasileska

This tutorial first teaches the users the basic theory behind the Empirical Pseudopotential (EPM)Bandstructure Calculation method. Next, the implementation details of the method are described and finally a MATLAB implementation of the EPM is provided.vasileska.faculty.asu.eduNSF

Reading Material: Postulates of Quantum Mechanics

www.eas.asu.edu

Bound States Calculation Description

05 Jul 2008 | Teaching Materials | Contributor(s): Dragica Vasileska

These lectures describe the calculation of the bound states in an infinite potential well, finite potential well and triangular well approximation. At the end, shooting method, that is used to numerically solve the 1D Schrodinger equation, is briefly described.visit www.eas.asu.edu/~vasileskNSF

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.

Conjugate Gradient Tutorial

02 Jun 2010 | Teaching Materials | Contributor(s): Dragica Vasileska

This is an extensive tutorial on the description and implementation of the basic conjugate gradient method and its variants.

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...

S-parameters

03 Aug 2011 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck

This set of lecture notes introduces the students to the concept of s-parameters that are used for characterization of RF circuits.

SILVACO Simulation of Solar Cells

06 Feb 2011 | Teaching Materials | Contributor(s): Dragica Vasileska

This set of lecture notes describes the SILVACO simulation of Solar Cells. In particular, emphasis is placed on the module LUMINOUS.

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.

Slides: WKB Approximation 2

PN Diode Exercise: Series Resistance

06 Jul 2008 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck

An exercise in determining the series resistance in a PN diode.

MESFET Operation Description

14 Jul 2011 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck

This set of slides gives MESFET operation description from a physical standpoint.

Slides: Harmonic Oscillator - Classical vs. Quantum

09 Jul 2008 | Teaching Materials | Contributor(s): Dragica Vasileska

Quantum Mechanics: Hydrogen Atom

09 Jul 2008 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck

The solution of the Schrödinger equation (wave equations) for the hydrogen atom uses the fact that the Coulomb potential produced by the nucleus is isotropic (it is radially symmetric in space and only depends on the distance to the nucleus). Although the resulting energy eigenfunctions (the...