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Displaying 526 - 550 of 1756

Diffusion of multiwall carbon nanotubes (MWCNTs) through an HDPE geomembrane

January 4, 2017
Author(s)
Pooneh Taghizadeh-Saheli, R. K. Rowe, Elijah Petersen, Denis O'Carroll
The new applications for carbon nanotubes (CNTs) in various fields and consequently the increase in their production volume have increased their potential release to the environment. Landfills are one of the major locations where carbon nanotubes are

Stoner vs. Heisenberg: Ultrafast exchange reduction and magnon generation during laser-induced demagnetization

December 28, 2016
Author(s)
Thomas J. Silva, Hans T. Nembach, Justin M. Shaw, Emrah Turgut, Dmitriy Zusin, Dominik Legut, Karel Carva, Ronny Knut, Cong Chen, Zhensheng Tao, Stefan Mathias, Martin Aeschlimann, Peter Oppeneer, Henry Kapteyn, Margaret Murnane, Patrik Grychtol
Understanding how the electronic band structure of a ferromagnetic material is modified during laser-induced demagnetization on femtosecond timescales has been a long-standing question in condensed matter physics. Here, we use ultrafast high harmonics to

Laser-assisted atom probe tomography of Ti/TiN films deposited on Si

December 21, 2016
Author(s)
Norman A. Sanford, Paul T. Blanchard, Ryan M. White, Michael R. Vissers, Albert Davydov, D R. Diercks, David P. Pappas
Laser-assisted atom probe tomography (L-APT) was used to examine superconducting TiN/Ti/TiN trilayer films with nominal respective thicknesses of 5/5/5 (nm). The trilayers were deposited on Si substrates by reactive sputtering. Electron energy loss

Vector-Network-Analyzer Calibration Using Line and Multiple Coplanar-Waveguide Offset Reflects

December 9, 2016
Author(s)
Arkadiusz C. Lewandowski, Wojciech Wiatr, Dazhen Gu, Nate Orloff, Thomas Mitchell (Mitch) Wallis, Pavel Kabos
We present the application of our newly developed multi-reflect-thru technique to vector-network-analyzer calibration in the on-wafer environment. This technique uses a set of highly-reflective one-port devices, referred to as offset-reflects, and a single

Nanolithography Toolbox

October 19, 2016
Author(s)

Bojan R. Ilic, Krishna Coimbatore Balram, Daron A. Westly, Marcelo I. Davanco, Karen E. Grutter, Qing Li, Thomas Michels, Christopher H. Ray, Liya Yu, Neal A. Bertrand, Samuel M. Stavis, Vladimir A. Aksyuk, James A. Liddle, Brian A. Bryce, Nicolae Lobontiu, Yuxiang Liu, Meredith Metzler, Gerald Lopez, David Czaplewski, Leonidas Ocola, Pavel Neuzil, Vojtech Svatos, Slava Krylov, Christopher B. Wallin, Ian J. Gilbert, Kristen A. Dill, Richard J. Kasica, Kartik A. Srinivasan, Gregory Simelgor, Juraj Topolancik

Ullmann-like reactions for the synthesis of complex two-dimensional materials

September 28, 2016
Author(s)
Rebecca C. Quardokus, Vinod K. Tewary, Frank W. DelRio
Engineering two-dimensional materials through surface-confined synthetic techniques is a promising avenue for designing new materials with tailored properties. Developing and understanding methods for surface-confined synthesis of two-dimensional materials

Magnetic Field Landscapes Guiding the Chemisorption of Diamagnetic Molecules

September 23, 2016
Author(s)
Cherno Jaye, Tobias Weidner, J. E. Baio, A. P. Hitchcock, Daniel A. Fischer
It is shown that the self-assembly of diamagnetic molecule sub-monolayers on a surface can be influenced by magnetic stray field landscapes emerging from artificially fabricated magnetic domains and domain walls. The directed local chemisorption of
Displaying 526 - 550 of 1756
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