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Displaying 3301 - 3325 of 4637

The Gaseous Electronics Conference radio-frequency reference cell: a defined parallel-plate radio-frequency system for experimental and theoretical studies of plasma processing discharges

January 1, 1994
Author(s)
P J. Hargis, Jr, K E. Greenberg, P A. Miller, J B. Gerardo, J R. Torczynski, M E. Riley, G A. Hebner, J R. Roberts, James K. Olthoff, J R. Whet-stone, R R. Van brunt, M A. Sobolewski, H M. Anderson, M P. Splichal, J L. Mock, P Bletzinger, A Garscadden, R A. Gottscho, G Selwyn, M Dalvie, J E. Heidenreich, J W. Butter-baugh, M L. Brake, M L. Passow, J Pender, A Lujan, M E. Elta, D Graves, H H. Sawin, M J. Kuschner, J T. Verdeyen, R Horwath, T R. Turner
… radio-frequency reference cell: a defined parallel-plate radio-frequency system for experimental and theoretical …

Atom Probe Tomography using Extreme-Ultraviolet Light

March 27, 2020
Author(s)
Luis Miaja Avila, Ann C. Chiaramonti Debay, Benjamin W. Caplins, David R. Diercks, Brian Gorman, Norman A. Sanford
… extreme-ultraviolet coherent light source to trigger eld ion emission at the tip's apex. The use of …

UV Photoemission for Rare Gases Implanted in Ge

August 21, 1978
Author(s)
B Waclawski, John William Gadzuk, J F. Herbst
… of the valence electrons of rare-gas atoms, implanted by ion bombardment into an amorphous Ge matrix, are presented …

Spectroscopy of laser cooling transitions in MgF

August 23, 2024
Author(s)
Nickolas Pilgram, Benjamin Baldwin, David La Mantia, Stephen Eckel, Eric Norrgard
… set of transition frequencies necessary to laser cool and trap MgF molecules. Specifically, we report the frequency of …

Quantum Logic via the Exchange Blockade in Ultracold Collisions

October 12, 2021
Author(s)
D Hayes, Paul S. Julienne, I H. Deutsch
A nuclear spin can act as a quantum switch that turns on or off ultracold collisions between atoms even when there is neither interaction between nuclear spins nor between the nuclear and electron spins. This exchange blockade is a new mechanism for

Modeling motional energy spectra and lattice light shifts in optical lattice clocks

May 8, 2020
Author(s)
Kyle Beloy, Will McGrew, Xiaogang Zhang, Daniele Nicolodi, Robert J. Fasano, Youssef Hassan, Roger Brown, Andrew Ludlow
We develop a model to describe the motional (i.e., external degree of freedom) energy spectra of atoms trapped in a one-dimensional optical lattice, taking into account both axial and radial confinement relative to the lattice axis. Our model respects the

Determining the Location and Cause of Unintentional Quantum Dots in a Nanowire

March 21, 2012
Author(s)
Ted C. Thorbeck, Neil M. Zimmerman
Unintentional quantum dots are a common problem for single electron devices in both silicon and carbon. To determine the cause of these dots it is helpful to know their size and location. Because each dot is capacitively coupled to multiple gates, we can

Control of Molecular Mass Distributions in Enzymatic Lactone Polymerizations

February 2, 2012
Author(s)
Santanu S. Kundu, Peter M. Johnson, Kathryn L. Beers
Using a model developed for the enzyme catalyzed polymerization and degradation of poly(caprolactone), we illustrate methods and the kinetic mechanisms necessary to improve molecular mass distributions by manipulating equilibrium reactions in the kinetic

MOSFETs made from GaN nanowires with fully conformal cylindrical gates

December 2, 2011
Author(s)
Paul T. Blanchard, Kristine A. Bertness, Todd E. Harvey, Aric W. Sanders, Norman A. Sanford, Steven M. George, Dragos Seghete
We report novel metal-oxide-semiconductor field effect transistors (MOSFETs) based on individual gallium nitride (GaN) nanowires with fully conformal cylindrical gates. The W/Al 2O 3 gates were deposited by atomic layer deposition. Reverse-bias breakdown

Glass-Blown Spherical Microcells for Chip-Scale Atomic Devices

May 2, 2008
Author(s)
E. J. Eklund, A Shkel, Svenja A. Knappe, Elizabeth Donley, John Kitching
This paper presents an application of micro glass blowing, in which multiple glass spheres are simultaneously shaped on top of a silicon wafer and subsequently filled with rubidium. The fabrication process is based on etching cavities in silicon, followed

Long-Term Frequency Instability of CPT Clocks With Microfabricated Vapor Cells

April 1, 2006
Author(s)
Vladislav Gerginov, Svenja A. Knappe, P Schwindt, V Shah, Leo W. Hollberg, John E. Kitching
We present an evaluation of the long-term frequency instability and environmental sensitivity of a chip-scale atomic clock based on coherent population trapping, particularly as affected by the light source subassembly. We find that the clock frequency is

Stable 85 Rb Bose-Einstein Condensates With Widely Tunable Interactions

August 1, 2000
Author(s)
S L. Cornish, N R. Claussen, J L. Roberts, Eric A. Cornell, C E. Wieman
Bose-Einstein condensation has been achieved in a magnetically trapped sample of 85Rb atoms. Long-lived condensates of up to 10 4 atoms have been produced by using a magnetic-field-induced Feshbach resonance to reverse the sign of the scattering length
Displaying 3301 - 3325 of 4637
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