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Displaying 3676 - 3700 of 51460

Valley blockade in a silicon double quantum dot

Author(s)
Justin K. Perron, Michael Gullans, Jacob M. Taylor, Michael D. Stewart, Neil M. Zimmerman
Electrical transport in double quantum dots (DQD) is useful for illuminating many interesting aspects of the carrier states in quantum dots. Here we show data

Development of a new UHV/XHV pressure standard (Cold Atom Vacuum Standard)

Author(s)
Julia K. Scherschligt, James A. Fedchak, Daniel S. Barker, Stephen P. Eckel, Nikolai N. Klimov, Constantinos Makrides, Eite Tiesinga
The National Institute of Standards and Technology has recently begun a program to develop a primary pressure standard that is based on ultra-cold atoms

On the Melting Curve of Sulfur Hexafluoride

Author(s)
Allan H. Harvey
A previous correlation for the melting curve of sulfur hexafluoride (SF6) is inconsistent with the thermodynamic slope at the triple point derived from the

Resonant X-ray Emission of Hexagonal Boron Nitride

Author(s)
John T. Vinson, Terrence J Jach, Matthias Mueller, Rainer Unterumsberger, Burkhard Beckhoff
The electronic structure of hexagonal boron nitride ({\it h}-BN) is explored using measurements of x-ray absorption and resonant inelastic x-ray scattering

Tolerances and Uncertainty in Robotic Systems

Author(s)
Frederick M. Proctor, John L. Michaloski, Marek Franaszek
The ability to be programmed for a wide range of tasks is what differentiates robots from dedicated automation. Consequently, robots can be faced with often

Service Life Prediction -Why is this so hard?

Author(s)
Christopher C. White, Kenneth M. White, James Pickett
Service life prediction in general and weathering lifetime in particular have been persistent problems despite nearly a century of work. Part of the problem has

Flux-tunable phase shifter for microwaves

Author(s)
Roope J. Kokkoniemi, Tuomas Ollikainen, Sakari Saarenpaa, Janne Kokkala, Ceren Dag, Mikko Mottonen, Russell E. Lake
We introduce a magnetic-flux-tunable phase shifter for propagating microwave photons, based on three equidistant superconducting quantum interference devices

Results of an International Comparison of Activity Measurements of 68Ge

Author(s)
Jeffrey T. Cessna, Ryan P. Fitzgerald, Brian E. Zimmerman, Lizbeth Laureano-Perez, Denis E. Bergeron
An international key comparison, identifier CCRI(II)-K2.Ge-68, has been performed. The National Institute of Standards and Technology (NIST) served as the pilot
Displaying 3676 - 3700 of 51460