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Cu in CdTe Lab (2D Version)

12 Jul 2016 | Contributor(s): Abdul Rawoof Shaik, Dragica Vasileska, Da Guo, Richard Akis

2D diffusion-reaction simulator of Cu migration in polycrystaline CdTe solar cells with Grain Boundaries

Multi-Scale Modeling of Self-Heating Effects in Nano-Devices

21 Apr 2016 | Online Presentations | Contributor(s): Suleman Sami Qazi, Akash Anil Laturia, Robin Louis Daugherty, Katerina Raleva, Dragica Vasileska

IWCE 2015 presentation. This paper discusses a multi-scale device modeling scheme for analyzing self-heating effects in nanoscale silicon devices. A 2D/3D particle-based device simulator is self-consistently coupled to an energy balance solver for the acoustic and optical phonon bath. This...

A Multi-Scale Modeling Approach to Study Transport in Silicon Heterojunction Solar Cells

03 Nov 2015 | Online Presentations | Contributor(s): Pradyumna Muralidharan, Dragica Vasileska, Stephen M. Goodnick, Stuart Bowden

IWCE 2015 presentation. Abstract and more information to be added at a later date.

Diffusion-Reaction Modeling of Cu Migration in CdTe Solar Devices

22 Apr 2016 | Online Presentations | Contributor(s): Da GUO, Tian Fang, Richard Akis, Dragica Vasileska

IWCE 2015 presentation. In this work, we report on development of one-dimensional (1D) finite-difference and two- dimensional (2D) finite-element diffusion-reaction simulators to investigate mechanisms behind Cu- related metastabilities observed in CdTe solar cells [1]. The evolution of CdTe...

nanoHUB Used in Research: A One Developer/User View

18 Feb 2016 | Online Presentations | Contributor(s): Dragica Vasileska

In this presentation I will give overview of selected nanoHUB tools and their potential for performing state- of-the-art research. The tools selected for this purpose include SCHRED, QuaMC2D, and OMEN nanowire/ NEMO5. ...

Cu in CdTe Lab

22 Oct 2014 | Tools | Contributor(s): Da GUO, Dragica Vasileska

1-D reaction diffusion simulation of Cu's migration in CdTe solar cells

Modeling Self-Heating Effects in SOI Devices and GaN HEMTs

09 Jun 2013 | Presentation Materials | Contributor(s): Dragica Vasileska

The role of self-heating effects is investigated in SOI devices and GaN HEMTs.

HgCdTe Photodetector Lab

30 Jan 2013 | Tools | Contributor(s): Pradyumna Muralidharan, Dragica Vasileska

Simulate IV and optical characteristics of a HgCdTe Photodetector

Process Modeling

23 Aug 2011 | Series | Contributor(s): Dragica Vasileska

This series on process modeling describes key process modeling steps such as implantation, diffusion, oxidation, etching, deposition, etc.

Quantum Computing - Experiments

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

Quantum Computing - Introduction

Solid State Lightening and LEDs

11 Aug 2011 | Teaching Materials | Contributor(s): Dragica Vasileska

This lecture is part of a Computational optoelectronics class that is taught at ASU by Prof. Vasileska.

MATLAB Tutorial

Green's Functions Method Explained

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

This is a tutorial on non-equilibrium Green's functions.

Silvaco Athena - Part 3

05 Aug 2011 | Teaching Materials | Contributor(s): Dragica Vasileska

This set of slides describes the fabrication of 100 nm channel length MOSFET device. At the end the formation of Bird's Beaks is discussed.

Silvaco Athena - Part 2

04 Aug 2011 | Teaching Materials | Contributor(s): Dragica Vasileska

This set of powerpoint slides describes the diffusion and the oxidation process. Also briefly described are etching and epitaxy process.

Silvaco Athena - Part 1

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

This is part of a series of lectures on process modeling. In this lecture some introductory concepts are described followed by a description of the ion implantation process.

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.

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.

Introduction to process modeling

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

This set of slides introduces the students into basic concepts of process modeling.

1-D Modeling of HgCdTe Photodetectors Operated at Low Temperatures

30 Jul 2011 | Teaching Materials | Contributor(s): pradyumna muralidharan, Dragica Vasileska

This presentation describes the capabilities of the tool OPTODET: 1D HgCdTe photodetector modeling tool.

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.

Device Parameters Extraction Within Silvaco Simulation Software

29 Jul 2011 | Teaching Materials | Contributor(s): Dragica Vasileska

This set of slides explains the extract statements within SILVACO simulation software.

Test for Monte Carlo Learning Module

this is a test for the MC Learning Module.

ACUTE - Process Simulation Assignment

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

This assignment teaches the students the ion implantation process.