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  1. Symmetry, Dimension,, and Spin: Understanding transpot in 2D 'phosphorene'

    03 Mar 2015 | Online Presentations | Contributor(s): Ian Appelbaum

    Despite its low atomic number and inversion symmetry, recent electronic measurements demonstrate that (group-IV) graphene has a greatly disappointing spin lifetime, corroborated by theory showing strong spin-flip scattering by flexural (out-of-plane) phonons. There exists a class of...

  2. nanoHUB Materials Simulation Homework: Engineering the Yield Stress of a Material

    26 Feb 2015 | Teaching Materials | Contributor(s): Marisol Koslowski, Tanya Faltens

    This homework assignment uses the nanoplasticity lab simulation tool to enable students to explore the competing effects of grain size and grain boundary energy in determining the yield stress of a sample.

  3. Nanotechnology Research at NIOSH

    23 Feb 2015 | Online Presentations | Contributor(s): Chuck L Geraci

    The mission of the NIOSH is to generate new knowledge in the field of occupational safety and health and to transfer that knowledge into practice for the betterment of workers. To accomplish this mission, NIOSH conducts scientific research, develops guidance and authoritative recommendations,...

  4. PtD: Prevention through Design

    23 Feb 2015 | Online Presentations | Contributor(s): Jonathan A. Bach

    At the heart of the program is reality that following PtD principles will allow engineers, architects, and process designers to design out the sources of workplace injury and illness. 

  5. Unit Operations of Nanomanufacturing

    23 Feb 2015 | Online Presentations | Contributor(s): Roger T. Bonnecaze

    Presented is an initial list of these unit operations and discuss the needs and opportunities for modeling and simulating them. We also present detailed results for unit operations and simulation tools for: 1) imprint lithography; 2) directed self-assembly of spherical and rectangular particles...

  6. nanoHUB-U FA2M From Atoms to Materials: Scientific Overview

    21 Feb 2015 | Online Presentations

  7. nanoHUB-U Scientific Overview's

    21 Feb 2015 | Series | Contributor(s): Joseph M. Cychosz

    The nanoHUB-U initiative seeks to bring the new insights and approaches being developed in nanoscience into the traditional fields of engineering and applied science, and to do this in a way that is broadly accessible to students without a long string of prerequisites. For more information on...

  8. nanoHUB-U TE Thermal Energy at the Nanoscale: Scientific Overview

    21 Feb 2015 | Online Presentations

  9. nanoHUB-U Fundamentals of Nanoelectronics: Basic Concepts: Scientific Overview

    21 Feb 2015 | Online Presentations | Contributor(s): Supriyo Datta

    Presents key concepts in nanoelectronics and mesoscopic physics and relates them to the traditional view of electron flow in solids.

  10. OnlineSimulation tutorial and assignment: bonding curves in H2 and He2 molecules

    21 Feb 2015 | Teaching Materials | Contributor(s): Alejandro Strachan

    In this tutorial students will use density functional theory (DFT) calculations using the nanoHUB tool SeqQuest to study bonding in two simple molecules: H2 and He2. The tutorial shows how to compute energy as a function of bond distance and extract the equilibrium bond distance and bond...

  11. OnlineSimulation tutorial and assignment: electronic structure and spin in O2 molecule

    21 Feb 2015 | Teaching Materials | Contributor(s): Alejandro Strachan

    In this tutorial students will use density functional theory (DFT) calculations using the nanoHUB tool SeqQuest to study the electronic structure and bonding in the O2 molecular. The tutorial shows how to predict the relaxed bond distance in O2 (i.e. minimum energy structure) both for...

  12. OnlineSimulation tutorial and assignment: electronic structure and spin of the O atom

    21 Feb 2015 | Teaching Materials | Contributor(s): Alejandro Strachan

    In this tutorial students will use density functional theory (DFT) calculations using the nanoHUB tool SeqQuest to study the electronic structure of the oxygen atom. The tutorial shows how to compute energy for the spin 1 (triplet) and spin 0 (singlet) states and analyze the exchange...

  13. Cu in CdTe Lab

    22 Oct 2014 | Tools | Contributor(s): Da GUO, Dragica Vasileska

    1-D reaction diffusion simulation of Cu's migration in CdTe solar cells

  14. Spaser in Quantum Regime

    12 Feb 2015 | Online Presentations | Contributor(s): Mark I Stockman

    The spaser have been introduced theoretically and discovered experimentally. We briefly consider quantum theory and latest results on spaser as an ultrafast quantum generator and amplifier of nanoplasmonic fields, ultrabright nanolabel, and highly-efficient nanosensor. We present latest original...

  15. NSAC Ambassadors General Meeting Minutes

    11 Feb 2015 | Papers | Contributor(s): nsac nsac

  16. Electron transport and inelastic electron tunneling spectroscopy of porphyrin in a molecular junction

    11 Feb 2015 | Presentation Materials | Contributor(s): Teresa Esposito, Kim M. Lewis, Alexandra Krawictz, Peter H. Dinolfo

    Organometallic molecules, such as porphyrin, are being investigated as circuit elements for organic electronics. Porphyrins are highly conjugated aromatic molecules that have shown electronic properties that exhibit high and low conductance states. These conductance states may be related to...

  17. A Graphene nanoribbon Feld-effect transistor Modeling

    11 Feb 2015 | Downloads | Contributor(s): Mohamed Zakarya Rashed

    We present an analytical device model for a field-effect transistor based on a heterostructure which consists of an array of nanoribbons clad between the highly conducting substrate (the back gate) and the top gate controlling the source-drain current. The equations of the model of a graphene...

  18. III-V Strain Compensation Calculator

    08 Feb 2015 | Tools | Contributor(s): Stephen Polly, Alex J Grede

    Calculate required thickness of strain compensation for quantum dots or quantum wells in the III-V material system.

  19. Introduction to nanoHUB Project for ENGR 132

    10 Feb 2015 | Online Presentations | Contributor(s): Krishna Madhavan

    This presentation introduces ENGR 132 students to nanoHUB. It also lays out the basic requirements for the ENGR 132 project (Spring 2015). The presentation includes a basic explanation of what a mathematical model is and its connection to a simulation.

  20. NSAC Fall 2014 Report

    09 Feb 2015 | Papers | Contributor(s): nsac nsac

nanoHUB.org, a resource for nanoscience and nanotechnology, is supported by the National Science Foundation and other funding agencies. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.