
Exercise: PIN Diode
06 Jul 2008  Teaching Materials  Contributor(s): Dragica Vasileska, Gerhard Klimeck
An exercise in the operation of a PIN diode under the conditions of forward and reverse bias.
http://nanohub.org/resources/4896

PN Diode Exercise: Graded Junction
06 Jul 2008  Teaching Materials  Contributor(s): Dragica Vasileska, Gerhard Klimeck
An exercise in determining the preferred approach to solving the Poisson equation.
http://nanohub.org/resources/4898

Schred: Exercise 1
06 Jul 2008  Teaching Materials  Contributor(s): Dragica Vasileska, Gerhard Klimeck
This exercise illustrates basic SCHRED capabilities for modeling MOS capacitors and also illustrates how the bound states distribution in energy changes with doping. The average distance of the...
http://nanohub.org/resources/4900

SCHRED: Exercise 2
06 Jul 2008  Teaching Materials  Contributor(s): Dragica Vasileska, Gerhard Klimeck
In this exercise students examine the doping dependence of the threshold voltage shift in MOS capacitors due to the quantummechanical charge description in the channel.www.eas.asu.edu/~vasileskNSF
http://nanohub.org/resources/4902

Schred: Exercise 3
06 Jul 2008  Teaching Materials  Contributor(s): Dragica Vasileska, Gerhard Klimeck
This exercise examines the degradation of the total gate capacitance with technology generation due to MaxwellBoltzmann instead of FermiDirac statistics, quantummechanical charge description...
http://nanohub.org/resources/4904

MOSFET Exercise
07 Jul 2008  Teaching Materials  Contributor(s): Dragica Vasileska, Gerhard Klimeck
With this exercise students are familiarized with the punchthrough effect, the series resistance at the source and drain region and the importance of impact ionization at high gate and drain bias...
http://nanohub.org/resources/4906

Periodic Potentials and the KronigPenney Model
01 Jul 2008  Teaching Materials  Contributor(s): Dragica Vasileska
This material describes the derivation of the KronigPenney model for deltafunction periodic potentials.
http://nanohub.org/resources/4847

QuantumMechanical Reflections in Nanodevices: an Exercise
02 Jul 2008  Teaching Materials  Contributor(s): Dragica Vasileska, Gerhard Klimeck
This exercise points out to the fact that quantummechanical reflections are going to be significant in nanoscale devices and proper modeling of these device structures must take into...
http://nanohub.org/resources/4849

Periodic Potentials and Bandstructure: an Exercise
02 Jul 2008  Teaching Materials  Contributor(s): Dragica Vasileska, Gerhard Klimeck
This exercise teaches the students that in the case of strong coupling between the neighboring wells in square and Coulomb periodic potential wells electrons start to behave as free electrons and...
http://nanohub.org/resources/4851

From 1 well to 2 wells to 5 wells to periodic potentials: an Exercise
02 Jul 2008  Teaching Materials  Contributor(s): Dragica Vasileska, Gerhard Klimeck
This exercise demonstrates that the interaction between the wells lifts the degeneracy of the quasibound states and if in the limit we have infinite periodic potential it leads to formation of...
http://nanohub.org/resources/4853

Exercise: CV curves for MOS capacitors
02 Jul 2008  Teaching Materials  Contributor(s): Dragica Vasileska, Gerhard Klimeck
This exercise demonstrates to the students how the lowfrequency CV curves in MOS capacitors change with changing the gate workfunction, the oxide thickness and the dielectric constant. It also...
http://nanohub.org/resources/4855

QuantumMechanical Reflections: an Exercise
30 Jun 2008  Teaching Materials  Contributor(s): Dragica Vasileska, Gerhard Klimeck
http://nanohub.org/resources/4831

Schred Tutorial Version 2.1
23 Jun 2008  Downloads  Contributor(s): Dragica Vasileska
This Schred tutorial [or User's Manual] is intended to help users of the Schred tool with the Rappture interface. Readers will find various examples for modeling singlegate and dualgate...
http://nanohub.org/resources/4796

Quantum Size Effects and the Need for Schred
23 Jun 2008  Downloads  Contributor(s): Dragica Vasileska
In this paper, we provide a historical overview of the observation of quantum effects in both experimental and theoretical nanoscale devices. This overview puts into perspective the need for...
http://nanohub.org/resources/4794

BJT Lab
06 Feb 2008  Tools  Contributor(s): Saumitra Raj Mehrotra, Abhijeet Paul, Gerhard Klimeck, Dragica Vasileska, Gloria Wahyu Budiman
This tool simulates a Bipolar Junction Transistor (BJT) using a 2D mesh. Powered by PADRE.
http://nanohub.org/resources/bjt

DriftDiffusion Lab
22 Jan 2008  Tools  Contributor(s): Saumitra Raj Mehrotra, Abhijeet Paul, Gerhard Klimeck, Gloria Wahyu Budiman
Simulate single semiconductor characteristics
http://nanohub.org/resources/semi

Periodic Potential Lab
19 Jan 2008  Tools  Contributor(s): Abhijeet Paul, Junzhe Geng, Gerhard Klimeck
Solve the time independent schrodinger eqn. for arbitrary periodic potentials
http://nanohub.org/resources/kronig_penney

Carrier Statistics Lab
08 Jan 2008  Tools  Contributor(s): Saumitra Raj Mehrotra, Abhijeet Paul, Gerhard Klimeck
Calculate the electron & hole density in semiconductors
http://nanohub.org/resources/fermi

Crystal Viewer Tool
22 Dec 2007  Tools  Contributor(s): Yuanchen Chu, Daniel F Mejia, James Fonseca, Michael Povolotskyi, Gerhard Klimeck
Visualize different crystal lattices and planes
http://nanohub.org/resources/crystal_viewer

MOS Capacitors: Description and Semiclassical Simulation With PADRE
26 Jun 2006  Online Presentations  Contributor(s): Dragica Vasileska
Introduction of QuantumMechanical Effects in Device Simulation
http://nanohub.org/resources/1596