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Resources (1-20 of 118)

1. Micromagnetic Simulation of Magnetic Nanowires (MNW) using OOMMF to Predict Heating Ability

   11 Jan 2023 | | Contributor(s):: Yicong Chen

   Using the OOMMF simulation tool in nanoHUB, we will learn how to specify properties of the MNWs, such as their geometry and material and how these properties will affect their magnetic reversal behavior. For instance, we will use the graph function in OOMMF to observe the changes of hysteresis...

2. Alternative Hitachi SEM Techniques

   17 May 2022 |

   Robert Passeri, Hitachi engineer, discusses STEM and low kV imaging techniques with the Hitachi SEM S4800.

3. Chemical Vapor Deposition 2 Modes, 1D, 2D

   07 Jan 2022 | | Contributor(s):: Terry Kuzma, NACK Network

   The foundations of Chemical Vapor Deposition (CVD) will be reviewed, with a focus on Low Pressure CVD (LPCVD), typical deposition system design, and the two modes of deposition.

4. IWCN 2021: Interfacial Trap Effects in InAs Gate-all-around Nanowire Tunnel Field- Effect Transistors: First-Principles-Based Approach

   15 Jul 2021 | | Contributor(s):: Hyeongu Lee, SeongHyeok Jeon, Cho Yucheol, Mincheol Shin

   In this work, we investigated the effects of the traps, Arsenic dangling bond (AsDB) and Arsenic anti-site (AsIn) traps, in InAs gate-all-around nanowire TFETs, using the trap Hamiltonian obtained from the first-principles calculations. The transport properties were treated by nonequilibrium...

5. IWCN 2021: Multiscale Modeling and Simulation of Advanced Photovoltaic Devices

   14 Jul 2021 | | Contributor(s):: Yongjie Zou, Reza Vatan Meidanshahi, Raghuraj Hathwar, Stephen M. Goodnick

   The introduction of new materials, device concepts and nanotechnology-based solutions to achieve high efficiency and low cost in photovoltaic (PV) devices requires modeling and simulation well beyond the current state of the art. New materials and heterojunction interfaces require atomistic...

6. FDNS21: Predictive Models in Materials Making, 2D, 3D, 2.1D

   27 Apr 2021 | | Contributor(s):: Boris I Yakobson

7. FDNS21: Conversion of Metal Oxide Films to 2D Metal Chalcogenide Films

   27 Apr 2021 | | Contributor(s):: Judy Cha

8. Josephson Detection of Multiband Effects in Superconductors

   07 Sep 2020 | | Contributor(s):: James Williams

   In this talk focus be given to the modification of conventional Josephson effects due to the loss of time reversal symmetry found to exist in proximity-induced Josephson junction of SnTe nanowires.

9. Electrodeposition and Synthesis of Nickel Nanowires

   14 Jan 2020 | | Contributor(s):: Stephen Stillanous, Paul Longwell, Zulekia Torres, Ronald Redwing, Mary Shoemaker, NNCI Nano

   This is a two part lesson for high school chemistry students. In part 1, the lab is designed to introduce students to the applications of forcing a chemical reaction using an electrical current. Students will discover how a flow of electrons allows cations in solution to revert to a solid state...

10. 3 min Research Talk: Plasmonic Core-Multishell Nanowires for Optical Applications

    26 Sep 2019 | | Contributor(s):: Raheem Carless

    ED lights and technology are being used more often in today’s society. Compared to traditional illumination they are far more reliable and efficient, in the sense that they last longer, are environmentally friendly, and most importantly, they reduce energy waste.

11. Plasmonic Core-Multishell Nanowires for Optical Applications

    01 Aug 2019 | | Contributor(s):: Raheem Carless, Amartya Dutta

    LEDs are very useful in today’s society, especially when compared to conventional incandescent and fluorescent lamps. According to the US Department of Energy, by 2027 the use of LEDs could save 348 TWh of electricity, which is the equivalent...

12. Bandstructure Effects in Nano Devices With NEMO: from Basic Physics to Real Devices and to Global Impact on nanoHUB.org

    08 Mar 2019 | | Contributor(s):: Gerhard Klimeck

    This presentation will intuitively describe how bandstructure is modified at the nanometer scale and what some of the consequences are on the device performance.

13. Nanoscale Tensile Testing with Molecular Dynamics

    21 Feb 2019 | | Contributor(s):: Sam Reeve, Alejandro Strachan

    In this computational lab you will perform online molecular dynamics (MD) simulations through nanoHUB of single-crystal copper nanowires under uniaxial tension of varying orientations and analyze the results in order to: Observe how slip planes in single-crystal nanowires are formed and...

14. Composite Filament Simulation 3D

    15 Feb 2019 | | Contributor(s):: Zachary Yun, Michelle Zhang, Ganesh Vurimi, Hayden Taylor, Sixian Jia

    Simulate electrical properties of a nanowire composite filament.

15. Optical Properties of Single Coaxial Nanowires -LDOS and Purcell Factor

    02 Oct 2018 | | Contributor(s):: Sulaiman Abdul-Hadi, Raheem Carless, Amartya Dutta, Chen Yang, Katherine Hansen

    Computes LDOS and Purcell Factor of a single nanowire with up to 2 shell layers using Mie-formalism

16. Semiconducting Halide Perovskite Nanomaterials and Heterojunctions

    10 May 2018 | | Contributor(s):: Letian Dou

    Firstly, we present new synthetic methodology of halide perovskite nanowires with desired size, composition, and properties. Such synthetic approach includes colloidal, solution-phase, and vapor-phase growth. Sub-micrometer single crystal nanowires from solution-phase growth were demonstrated...

17. Electrodeposition of Nickel Nanowires

    05 Dec 2017 | | Contributor(s):: NACK Network

    Nickel nanowires were put through electrodeposition processes and analyzed using a remote Scanning Electron Microscope provided by the Remotely Accessible Instruments in Nanotechnology (RAIN) Network.

18. Electron Transport in Schottky Barrier CNTFETs

    24 Oct 2017 | | Contributor(s):: Igor Bejenari

    This resource has been removed at the request of the author.A given review describes models based on Wentzel-Kramers-Brillouin approximation, which are used to obtain I-V characteristics for ballistic CNTFETs with Schottky-Barrier (SB) contacts. The SB is supposed to be an exponentially...

19. Quantum Coherent Transport in Atoms & Electrons

    21 Jun 2017 | | Contributor(s):: Yong P. Chen

    I will discuss some recent experimental examples from my lab studying quantum coherent transport and interferometry in electrons as well as cold atoms.   For example, phase coherent electron transport and interference around a cylinder realized in a nanowire of topological insulator...

20. Building a Topological Quantum Computer 101

    20 Jun 2017 | | Contributor(s):: Michael Freedman

    Michael Freeman shares his perspective on how we should approach building a quantum computer, starting with the mathematical roots and moving through the physics to concrete engineering and materials growth challenges on which success will hinge. He will then discuss a new, enhanced,...