Atomistic Simulation of Realistically Sized Nanodevices Using NEMO 3-D—Part II: Applications
14 Jan 2008 | Publications | Contributor(s): Gerhard Klimeck, Shaikh S. Ahmed, Neerav Kharche, Marek Korkusinski, Muhammad Usman, marta prada, Timothy Boykin
In part I, the development and deployment of a general nanoelectronic modeling tool (NEMO 3-D)...
Electronic Structure Theory of Dilute Impurity Alloys: GaBiP and GaBiAs
28 Oct 2011 | Online Presentations | Contributor(s): M. Usman
We report an atomistic model established for electronic structure calculations of GaBiAs (0 < Bi...
Excited State Spectroscopy of a Quantum Dot Molecule
16 Dec 2011 | Online Presentations | Contributor(s): Muhammad Usman
Atomistic electronic structure calculations are performed to study the coherent inter-dot...
Nanoelectronic Modeling Lecture 32: Strain Layer Design through Quantum Dot TCAD
07 Jul 2010 | Online Presentations | Contributor(s): Gerhard Klimeck, Muhammad Usman
This presentation demonstrates the utilization of NEMO3D to understand complex experimental...
NEMO3D User Guide for Quantum Dot Simulations
29 Nov 2011 | Publications | Contributor(s): M. Usman, Gerhard Klimeck
NEMO 3D is a large and complex simulator; and understanding of its source code requires...
Polarization Response of Multi-layer InAs Quantum Dot Stacks
20 Oct 2011 | Online Presentations | Contributor(s): Muhammad Usman
Recent experimental measurements, without any theoretical guidance, showed that isotropic...
Quantitative Modeling and Simulation of Quantum Dots
16 Jul 2010 | Presentation Materials | Contributor(s): Muhammad Usman
Quantum dots grown by self-assembly process are typically constructed by 50,000 to 5,000,000...
Quantum Dot based Photonic Devices
19 Mar 2012 | Online Presentations | Contributor(s): Muhammad Usman
Deployment of nanometer-sized semiconductor quantum dots (QDs) in the active region of
Self-Assembled Quantum Dot Structure (pyramid)
01 Feb 2011 | Animations | Contributor(s): Gerhard Klimeck, Insoo Woo, Muhammad Usman, David S. Ebert
Pyramidal InAs Quantum dot. The quantum dot is 27 atomic monolayers wide at the base and 15...
Self-Assembled Quantum Dot Wave Structure
31 Jan 2011 | Animations | Contributor(s): Gerhard Klimeck, Insoo Woo, Muhammad Usman, David S. Ebert
A 20nm wide and 5nm high dome shaped InAs quantum dot grown on GaAs and embedded in InAlAs is...
Why quantum dot simulation domain must contain multi-million atoms?
04 Jan 2013 | Online Presentations | Contributor(s): Muhammad Usman
The InGaAs quantum dots obtained from the self-assembly growth process are heavily strained. The...