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Finite Difference Schemes for k.p Models: A Comparative Study
Online Presentations | 01 Nov 2016 | Contributor(s):: Jun Huang, Kuang-Chung Wang, William R Frensley, Gerhard Klimeck
IWCE 2015 Presentation.
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15-Band Spectral Envelope Function Formalism Applied to Broken Gap Tunnel Field-Effect Transistors
Online Presentations | 01 Nov 2016 | Contributor(s):: Devin Verreck, Maarten Van de Put, Anne Verhulst, Bart Soree, G. Groeseneken, Ashish Dabral
IWCE 2015 presentation.
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The Role of Dimensionality on Phonon-Limited Charge Transport: from CNTs to Graphene
Online Presentations | 27 Oct 2016 | Contributor(s):: Jing Li, Yann-Michel Niquet
IWCE 2015 presentation.
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Transferable Tight Binding Model for Strained Heterostructures
Online Presentations | 22 Oct 2016 | Contributor(s):: Yaohua Tan, Michael Povolotskyi, Tillmann Christoph Kubis, Timothy Boykin, Gerhard Klimeck
IWCE 2015 presentation.
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NEMO5 and 2D Materials: Tuning Bandstructures, Wave Functions and Electrostatic Screening
Online Presentations | 19 Oct 2016 | Contributor(s):: Tillmann Christoph Kubis
In this talk, I will briefly discuss the MLWF approach and compare it to DFT and atomistic tight binding. Initial results using the MLWF approach for 2D material based devices will be discussed and compared to experiments. These results unveil systematic band structure changes as functions of the...
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Many Body Effects on Optical Properties of Graphene
Online Presentations | 13 Oct 2016 | Contributor(s):: Subhasis Ghosh
Graphene, a two-dimensional (2D) material shows remarkable optical and electronic properties, such as a linear energy dispersion, chirality and half-integer quantum Hall effect. Multilayer graphene flakes, held together by weak van der Waals forces have also attracted attention due to...
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Prospects for Using Magnetic Insulators in Spintronics
Online Presentations | 29 Sep 2016 | Contributor(s):: Mingzhong Wu
This presentation consists of two parts, which together will provide some perspective on the future of using magnetic insulators in spintronics. The first part will touch on the feasibility of using magnetic insulators, in particular, Y3Fe5O12 and BaFe12O19, to produce pure spin currents...
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Auger Generation as an Intrinsic Limit to Tunneling Field-Effect Transistor Performance
Online Presentations | 22 Sep 2016 | Contributor(s):: Jamie Teherani
Many in the microelectronics field view tunneling field-effect transistors (TFETs) as society’s best hope for achieving a > 10× power reduction for electronic devices; however, despite a decade of considerable worldwide research, experimental TFET results have significantly...
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NEMO5, a Parallel, Multiscale, Multiphysics Nanoelectronics Modeling Tool
Online Presentations | 19 Sep 2016 | Contributor(s):: Gerhard Klimeck
The Nanoelectronic Modeling tool suite NEMO5 is aimed to comprehend the critical multi-scale, multi-physics phenomena and deliver results to engineers, scientists, and students through efficient computational approaches. NEMO5’s general software framework easily includes any kind of...
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A Short Overview of the NEEDS Initiative
Online Presentations | 06 Jun 2016 | Contributor(s):: Mark Lundstrom
The talk is a brief overview of the program that discusses the rationale, status, and plans for NEEDS.
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E304 L6.2.2: Nanoelectrics - Tunneling
Online Presentations | 04 May 2016 | Contributor(s):: ASSIST ERC
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E304 L6.2.3: Nanoelectrics - Application: Single Electron Transistor
Online Presentations | 03 May 2016 | Contributor(s):: Elena Nicolescu Veety, ASSIST ERC
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E304 L6.2.1: Nanoelectrics - Quantum Confinement
Online Presentations | 03 May 2016 | Contributor(s):: ASSIST ERC
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E304 L6.1.3: Nanoelectrics - Electron Concentration and Volume
Online Presentations | 03 May 2016 | Contributor(s):: ASSIST ERC
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Diffusion-Reaction Modeling of Cu Migration in CdTe Solar Devices
Online Presentations | 22 Apr 2016 | 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...
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Multi-Scale Modeling of Self-Heating Effects in Nano-Devices
Online Presentations | 21 Apr 2016 | 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...
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E304 L6.1.1: Nanoelectrics - Electron Energy Bands
Online Presentations | 19 Apr 2016 | Contributor(s):: ASSIST ERC
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Atomistic Modeling of Nano Devices: From Qubits to Transistors
Online Presentations | 13 Apr 2016 | Contributor(s):: Rajib Rahman
In this talk, I will describe such a framework that can capture complex interactions ranging from exchange and spin-orbit-valley coupling in spin qubits to non-equilibrium charge transport in tunneling transistors. I will show how atomistic full configuration interaction calculations of exchange...
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Self-energies: Opening Doors for Nanotechnology
Online Presentations | 07 Apr 2016 | Contributor(s):: Tillmann Christoph Kubis
In this talk, it will be shown how the concept of self-energies can be used to interface all these fields into the same nanotechnology modeling framework. Self-energies are most commonly used in the quantum transport method of nonequilibrium Green’s functions (NEGF). The NEGF method is...
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Optoelectronic Spintronics and Quantum Photonics in 2D Materials
Online Presentations | 07 Apr 2016 | Contributor(s):: John Schaibley
First, I will discuss the physics and applications of 2D heterostructures composed of stacked monolayers of MoSe_2 and WSe_2 . These heterostructures host interlayer valley excitons where the electrons and holes are located in different layers. These spatially indirect excitons exhibit long...