Theoretical studies of rolled-up and wrinkled nanomembranes

20 Feb 2012 | Publications | Contributor(s): Peter Cendula

PhD thesis along with additional movie files.

https://nanohub.org/resources/11764

Theory and characterization of random defect formation and its implication in variability of nanoscale transistors

30 Sep 2011 | Publications | Contributor(s): Ahmad Ehteshamul Islam

Over the last 50 years, carrier transport has been the central research topic in the semiconductor area. The outcome was a dramatic improvement in the performance of a transistor, which is one of the …

https://nanohub.org/resources/12182

Thermal Property Measurements of High Pressure Metal Hydrides

02 Jun 2011 | Publications | Contributor(s): Scott M. Flueckiger

Metal hydrides are potential materials for onboard hydrogen storage. Thermal property measurements are needed to optimize the thermal management design of metal hydride storage systems which require …

https://nanohub.org/resources/11336

Quantitative Modeling and Simulation of Quantum Dots

18 Apr 2011 | Notes | Contributor(s): Muhammad Usman

Quantum dots grown by self-assembly process are typically constructed by 50,000 to 5,000,000 structural atoms which confine a small, countable number of extra electrons or holes in a space that is …

https://nanohub.org/resources/9332

Professor's and Student's Perceptions and Experiences of Computational Simulations as Learning Tools

04 Apr 2010 | Publications | Contributor(s): Alejandra J. Magana

Computational simulations are becoming a critical component of scientific and engineering research, and now are becoming an important component for learning. This dissertation provides findings from …

https://nanohub.org/resources/8750

Quantum transport in semiconductor nanostructures

04 Mar 2010 | Publications | Contributor(s): Tillmann Christoph Kubis

PhD thesis of Tillmann Christoph Kubis The main objective of this thesis is to theoretically predict the stationary charge and spin transport in mesoscopic semiconductor quantum devices in the …

https://nanohub.org/resources/8612

Role of Spin-Orbit Interaction and Berry's Phase in Aharonov-Bohm Oscillations

04 Mar 2009 | Publications | Contributor(s): Jeng-Bang (Tony) Yau

In this thesis we report the results of study on the role of spin-orbit (SO) interaction in Aharonov-Bohm (A-B) oscillations measured in (311)A GaAs two-dimensional (2D) holes, and the observed novel …

https://nanohub.org/resources/6435

First Principles Non-Equilibrium Green's Function Modeling of Vacum and Oxide Barrier Tunneling

01 Dec 2008 | Publications | Contributor(s): Kirk H. Bevan

Vacuum and oxide barrier electron tunneling phenomena have been studied at length for several decades. Yet with electron device barrier widths now commonly measured in atomic units, complex quantum …

https://nanohub.org/resources/5957

Application of the Keldysh Formalism to Quantum Device Modeling and Analysis

14 Jan 2008 | Publications | Contributor(s): Roger Lake

The effect of inelastic scattering on quantum electron transport through layered semi-conductor structures is studied numerically using the approach based on the non-equilibrium Green's function …

https://nanohub.org/resources/3833

Electron-Phonon and Electron-Electron Interactions in Quantum Transport

14 Jan 2008 | Publications | Contributor(s): Gerhard Klimeck

The objective of this work is to shed light on electron transport through sub-micron semi-conductor structures, where electronic state quantization, electron-electron interactions and electron-phonon …

https://nanohub.org/resources/3831

Quantum Ballistic Transport in Semiconductor Heterostructures

27 Aug 2007 | Publications | Contributor(s): Michael McLennan

The development of epitaxial growth techniques has sparked a growing interest in an entirely quantum mechanical description of carrier transport. Fabrication methods, such as molecular beam epitaxy …

https://nanohub.org/resources/3086

Modeling Quantum Transport in Nanoscale Transistors

30 Oct 2006 | Publications | Contributor(s): Ramesh Venugopal

As critical transistor dimensions scale below the 100 nm (nanoscale) regime, quan- tum mechanical effects begin to manifest themselves and affect important device performance metrics. Therefore, …

https://nanohub.org/resources/1930

Carbon Nanotube Electronics: Modeling, Physics, and Applications

30 Oct 2006 | Publications | Contributor(s): Jing Guo

In recent years, significant progress in understanding the physics of carbon nanotube electronic devices and in identifying potential applications has occurred. In a nanotube, low bias transport …

https://nanohub.org/resources/1928

Nanoscale MOSFETs: Physics, Simulation and Design

26 Oct 2006 | Publications | Contributor(s): Zhibin Ren

This thesis discusses device physics, modeling and design issues of nanoscale transistors at the quantum level. The principle topics addressed in this report are 1) an implementation of …

https://nanohub.org/resources/1917

Device Physics and Simulation of Silicon Nanowire Transistors

28 Sep 2006 | Publications | Contributor(s): Jing Wang

As the conventional silicon metal-oxide-semiconductor field-effect transistor (MOSFET) approaches its scaling limits, many novel device structures are being extensively explored. Among them, the …

https://nanohub.org/resources/1833

Nanoscale Device Modeling: From MOSFETs to Molecules

20 Sep 2006 | Publications | Contributor(s): Prashant Subhash Damle

This thesis presents a rigorous yet practical approach to model quantum transport in nanoscale electronic devices. As convetional metal oxide semiconductor devices shrink below the one hundred …

https://nanohub.org/resources/1816

Exploring New Channel Materials for Nanoscale CMOS

21 May 2006 | Publications | Contributor(s): Anisur Rahman

The improved transport properties of new channel materials, such as Ge and III-V semiconductors, along with new device designs, such as dual gate, tri gate or FinFETs, are expected to enhance the …

https://nanohub.org/resources/1315