Roy Downs University of Arkansas Faculty Mentor: Joe Rencis Graduate Student Mentor: Sachin Terdalkar.

Slides:

Advertisements

Similar presentations

CHAPTER 4 CONDUCTION IN SEMICONDUCTORS

Advertisements

What is graphene? In late 2004, graphene was discovered by Andre Geim and Kostya Novoselov (Univ. of Manchester) Nobel Prize in Physics Q1. How.

PHYS466 Project Kyoungmin Min, Namjung Kim and Ravi Bhadauria.

Frontier NanoCarbon Research group Research Center for Applied Sciences, Academia Sinica Applications of Graphitic Carbon Materials Dr. Lain-Jong Li (Lance.

Topical lecture: Quantum Size Effects in Nanostructures A. Tavkhelidze Ilia State University.

Fixed charge problem of Modified-BMH potential during molecular dynamic simulation of Si/SiO 2 interface 김세진 1,2, 김상필 1,3, 최정혜 1, 이승철 1, 이광렬 1, 김도연 2,

Chun-Chieh Lu Carbon-based devices on flexible substrate 1.

Length-scale Dependent Dislocation Nucleation during Nanoindentation on Nanosized Gold Islands Alex Gonzalez Department of Mechanical Engineering University.

Technion - Israel Institute of Technology

Roy Downs University of Arkansas Faculty Mentor: Dr. Joseph J. Rencis Graduate Student Mentor: Sachin Terdalkar.

Computational Solid State Physics 計算物性学特論第２回 2.Interaction between atoms and the lattice properties of crystals.

Nanotechnology for Electronics and Sensors BIOE298dp ( )

 2D-to-3D Deformation Gradient:  In-plane stretch: 2D Green-Lagrange Strain Tensor:  Bending: 2D Curvature Tensor:  2 nd Piola-Kirchoff Stress and.

Case Studies Class 5. Computational Chemistry Structure of molecules and their reactivities Two major areas –molecular mechanics –electronic structure.

1 Synthesis of Carbon nanotubes by Chemical Vapor Deposition Amit Khosla Mechanical Engineering University of Colorado Advisor: Prof. Roop. L. Mahajan.

MULTI-SCALE STRUCTURAL SIMULATIONS LABORATORY Computation of Spatial Kernel of Carbon Nanotubes in Non-Local Elasticity Theory Veera Sundararaghavan Assistant.

Physics 218: Mechanics Instructor: Dr. Tatiana Erukhimova Lecture 11.

Elastic Properties of Solids Topics Discussed in Kittel, Ch

Copyright © 2005 SRI International Scanning Probe Microscopy “Seeing” at the nanoscale.

Graphene-Based Polymer Composites and Their Applications Polymer-Plastics Technology and Engineering, 52: 319–331, 2013 Zachary Palmer, Kendall Wright,

An Intoduction to Carbon Nanotubes

 Graphene: Exfoliation: Graphite flakes obtained from Asbury Carbons, Inc. are placed on clear tape in close proximity. Once applied to the tape, repeated.

The ratio of stress and strain, called modulus of elasticity. Mechanical Properties of Solids Modulus of Elasticity.

Carbon Nanotube Intramolecular Junctions. Nanotubes A graphene sheet with a hexagonal lattice…

Holly Tourtillott University of Missouri

Basics of molecular dynamics. Equations of motion for MD simulations The classical MD simulations boil down to numerically integrating Newton’s equations.

Background about Carbon Nanotubes CAR Seminar 5 November 2010 Meg Noah.

VIRTUAL NANOLAB BY QUANTUMWISE

Graphene Boris Torres MEEN 3344 Material Science.

Delocalization of Electrons Section Introduction Delocalization allows the pi electrons to spread over more than two nuclei This spreading out of.

© Pearson & GNU Su-Jin Kim MEMS Manufacturing Processes MEMS Devices The MEMS(Microelectromechanical systems) devices can be made through the IC Process:

S. E. Thompson EEL 6935 Today’s Subject Continue on some basics on single-wall CNT---- chiral length, angle and band gap; Other properties of CNT; Device.

Presented By: RENJITHKUMAR TKMCE KOLLAM. INTRODUCTION Electronics with out silicon is unbelievable, but it will come true with evolution of diamond or.

Yee Lab Nanotechnology using Polymers Yee Lab Nanotechnology using Polymers.

Nanotechnology for Electronics and Sensors BIOE198dp ( )

Molecular dynamics simulation of strongly coupled QCD plasmas Peter Hartmann 1 Molecular dynamics simulation of strongly coupled QCD plasmas Péter Hartmann.

The design of dielectric environment for ultra long lifetime of graphene plasmon Dr. Qing Dai 22/10/2015.

Nanoscience and Materials $ $ $ $199 These advances in technology would not have been possible without nanotechnology.

Saint-Petersburg state polytechnic university Institute of Applied Mathematics and Mechanics Department of Applied Mechanics Dynamics of a thin cavity.

GIANT MOLECULAR SUBSTANCES. In these materials strong covalent bonds join atoms together with other atoms of the same type to make giant structures, rather.

Nano-Graphene Platelets James Robbins MEEN What are Nano-Graphene Platelets (NGP)? Similar to Carbon Nanotubes (CNT) Graphene is a single atom thick.

Graphene Semiconductors David Brown Student ECE Department University of Utah October 29, 2009.

Carbon. Allotropes Carbon can bond with itself in at least three different ways giving us 4 different materials –Diamond –Graphite –Buckyballs and nanotubes.

Graphene Magnetic Sensor

Deepak Srivastava Computational Nanotechnology at CSC/NAS NASA Ames Research Center Moffett Field, CA Collaborators: M. Menon – University of Kentucky.

BASICS OF SEMICONDUCTOR

Measurement of CNT Based Fibers and Cavities Holly Tourtillott University of Missouri Micro and Nano Systems Engineering Laboratory, University of Arkansas.

Diamond Tetrahedral Lattice of Carbon. Graphite Sheets or Layers of Rings of Carbon.

Tunable Electron-Phonon Coupling in Carbon Nanotubes Moonsub Shim, University of Illinois, DMR EFEF K. Nguyen, A. Gaur, & M. Shim, Phys. Rev. Lett.

Macromolecules (Network Covalent) Last part of Topic 4.3.

Graphene and how it will be applied to Supercapacitors.

I. Introduction  Carbon nanotubes (CNTs), composed of carbon and graphite sheets, are tubular shaped with the appearance of hexagonal mesh with carbon.

Applications   Semiconductors   Electric & Magnetic Devices   Carbon Nanotubes   Oxide materials   Nanoparticles and Nanocrystals   Dielectrics.

ABSTRACT  Nanotechnology, the short gun marriage of chemistry and engineering in molecular manufacturing or more simply, building things one atom or.

C 60 - Single Molecule Transistor Aniruddha Chakraborty Indian Institute of Technology Mandi, Mandi , Himachal Pradesh, India.

3.052 Nanomechanics of Materials and Biomaterials Prof. Christine Ortiz DMSE, RM Phone : (617) WWW :

EEE2056 Physical Electronic Presented by Oh Chin Wei Electronic Engineering What are covered in these slides? Graphene Structures Properties.

Graphene Abstract -Origin of graphene -Structure

Rappture GUI for Carbon Nano Tube Arrays’ mechanical and thermal property simulation By Yide Wang Professor Tim Fisher Sridhar Sadasivam.

Modeling of Quantum Noise with Electron-Phonon Interactions

Macromolecules (Covalent Network Solids) Last part of Topic 4.3

New Technology Noadswood Science, 2016.

Riphah International University, Lahore

Predictive Modeling and Simulation of Charge Mobility in 2D Material Based Devices Altaf Karim Department of Physics, COMSATS Institute of Information.

Modelling & Simulation of Semiconductor Devices

Carbon Nanomaterials and Technology

VIRTUAL NANOLAB BY QUANTUMWISE

Carbon Nanomaterials and Technology

Scanning Probe Microscopy

Presentation transcript:

Roy Downs University of Arkansas Faculty Mentor: Joe Rencis Graduate Student Mentor: Sachin Terdalkar

Monolayer Structure of Carbon Atoms Hexagonal Shape Lattice Characteristics  Very Strong  Highly Conductive  High Opacity

Nano-scale Electronics Ultracapacitors Pressure Sensors Nano Resonators [Freitag, M., Nature Nanotechnology 2008] Graphene Transistor

Mechanical Properties: Project Focus o Young’s Modulus (measured E=1.0 TPa) o Intrinsic Strength (measured  int  130 GPa) Graphene on Silicon SubstrateAtomic Force Microscope (AFM) greifswald.de/method/afm/eafm.htm Graphene Sheet Silicon Substrate Graphene Sheet

Graphene Sheet & AFM Indenter 

Atoms are assumed lumped point masses Interaction through Inter-atomic Potential Atomic position from numerical integration of equations of motion F = ma al_and_Lennard-Jones.png

Using MD Simulations Generate load-indentation curve Determine Young’s Modulus Calculate Intrinsic Strength Determine Interaction Between Si Substrate and Graphene Sheet Using MD Simulations Silicon Substrate Graphene Sheet