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NIST Authors in Bold

Displaying 11101 - 11125 of 73960

Portable High-Frequency Electrodynamic Force Standard

October 21, 2018
Author(s)
Akobuije Chijioke, Nicholas Vlajic
We describe high-frequency electrodynamic force standards. Such standards can be calibrated voice coils, or high-frequency Kibble (watt) balances. We discuss the design of such devices and present example operating parameters for a 10 N Kibble balance

The NIST Magnetic Suspension Mass Comparator and Precision MassMetrology

October 21, 2018
Author(s)
Corey A. Stambaugh
The NIST magnetic suspension mass comparator will be used to facilitate the dissemination of the kilogram, realized in the NIST-4 Kibble balance, from vacuum to air. This paper details the current status of the system. The primary focus is on the

Localization of Fe d-states in Ni-Fe-Cu alloys and implications for ultrafast demagnetization

October 20, 2018
Author(s)
Ronny J. Knut, Erna Delczeg, Justin Shaw, Hans Nembach, Patrik Grychtol, Dmitriy Zusin, Christian Gentry, Emrah Turgut, Henry C. Kapteyn, Margaret M. Murnane, Dario A. Arena, Olle Eriksson, Olof Karis, Thomas J. Silva
Ni 80Fe 20 (Py) and Py-Cu exhibit intriguing ultrafast demagnetization behavior, where the Ni magnetic moment shows a delayed response relative to the Fe [S. Mathias et al., PNAS \bf 109}, 4792 (2012)]. To unravel the mechanism responsible for this

Behavior of the Breathing Pyrochlore Lattice Ba 3 Yb 2 Zn 5 O 11 in Applied Magnetic Field

October 19, 2018
Author(s)
J. G. Rau, L. S. Wu, A. F. May, A. E. Taylor, I-Lin Liu, J. Higgins, Nicholas Butch, K. A. Ross, H. S. Nair, M. D. Lumsden, M. J. P. Gingras, A. D. Christianson
The breathing pyrochlore lattice material Ba 3Yb 2Zn 5O 11 exists in the nearly decoupled limit, in contrast to most other well-studied breathing pyrochlore compounds. Here we study the magnetic field dependent behavior of Ba 3Yb 2Zn 5O 11 at low

Long-Range Electric Field Control of Permalloy Layers in Strain-Coupled Composite Multiferroics

October 18, 2018
Author(s)
Michelle E. Jamer, Colin R. Rementer, Anthony Barra, Alexander Grutter, Kevin Fitzell, Daniel Gopman, Julie Borchers, Gregory P. Carman, Brian Kirby, Jane P. Chang
Artificial composite multiferroic materials can be created by interfacing magnetostrictive and piezoelectric materials, allowing for electric field control of magnetic properties. For multilayer device applications, addition of weakly magnetostrictive

On the scalability of parametric down-conversion for generating higher-order Fock states

October 18, 2018
Author(s)
Thomas Gerrits, Adriana Lita, Sae Woo Nam, Johannes Tiedau, Tim J. Bartley, Georg Harder, Christine Silberhorn
Spontaneous parametric down-conversion (SPDC) is the most widely-used method to generate higher-order Fock states (n>2). Yet, a consistent performance analysis from fundamental principles is missing. Here we address this problem by analyzing state fidelity

On Building Fair and Reusable Test Collections using Bandit Techniques

October 17, 2018
Author(s)
Ellen Voorhees
While test collections are a vital piece of the research infrastructure for information retrieval, constructing fair, reusable test collections for large data sets is challenging because of the number of human relevance assessments required. Various

2018 Stakeholder Meeting Presentations, Day 3, Room 29ABCD

October 16, 2018
Author(s)
Richard A. Rouil, Antonio Izquierdo Manzanares, Paul Sutton, Seun Sangodoyin, Andreas Molisch, Richard Lau, William Johnson, Heechang Kim, Eric Beck, Fidel Liberal, Jani Lyrintzis, Terry Costa, Yishen Sun, Wesley D. Garey

2018 Stakeholder Presentations, Day 3, Room 30C

October 16, 2018
Author(s)
Scott A. Ledgerwood, Mary F. Theofanos, Yee-Yin Choong, Shanee T. Dawkins, Kristen Greene, Sandra S. Prettyman, William J. Fisher, Michael A. Ogata, Gema E. Howell, John T. Beltz, Sheila E. Frankel, Donald L. Harriss, Jason Jerald, Cole Sandau, Regis Kopper, Brad Fain, Jing Du, Randall Spain, John Blackwell
Displaying 11101 - 11125 of 73960
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