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NIST Authors in Bold

Displaying 526 - 550 of 4258

Quantum Control, Quantum Information Processing, and Quantum-Limited Metrology With Trapped Ions

June 19, 2005
Author(s)
David J. Wineland, Dietrich G. Leibfried, Murray D. Barrett, A. Ben-Kish, James C. Bergquist, Brad R. Blakestad, John J. Bollinger, Joseph W. Britton, J Chiaverini, B. L. DeMarco, David Hume, Wayne M. Itano, M J. Jensen, John D. Jost, Emanuel H. Knill, Jeroen Koelemeij, C. Langer, Windell Oskay, R Ozeri, Rainer Reichle, Till P. Rosenband, Tobias Schaetz, Piet Schmidt, Signe Seidelin
… on quantum informaiton processing using trapped ions at NIST. A central theme of this work has been to … information processing, quantum-state engineering, trapped ions … Processing, and Quantum-Limited Metrology With Trapped Ions …

Formation of y+10 and y+11 Ions in the Collision-Induced Dissociation of Peptide Ions

December 8, 2011
Author(s)
Lisa E. Kilpatrick, Pedatsur Neta, Xiaoyu Yang, Yamil Simon, Yuxue Liang, Stephen E. Stein
… Tandem mass spectra of peptide ions, acquired in shotgun proteomic studies of selected … that cannot be assigned to the known fragmentation product ions (y, b, a, neutral losses). In many cases these persist … synthesized peptides, we report on a new class of fragment ions corresponding to y n-1 +10 and y n-1 +11, where n is the …

Non-magnetic ion site disorder effects on the quantum magnetism of a spin-1/2 equilateral triangular lattice antiferromagnet

March 10, 2022
Author(s)
Qing Huang, R. Rawl, W. W. Xie, E. S. Chou, V. S. Zapf, X. X. Ding, C. Mauws, C. R. Wiebe, E. X. Feng, H. B. Cao, W. Tian, J. Ma, Yiming Qiu, Nicholas Butch, H. D. Zhou
… With the motivation to study how non-magnetic ion site disorder affects the quantum magnetism of … of Ba2.87Sr0.13CoSb2O9 with Sr doping on non-magnetic Ba2+ ion sites. The results show that Ba2.87Sr0.13CoSb2O9 exhibits … Ba3CoSb2O9, which demonstrates that the non-magnetic ion site disorder (the Sr doping) plays a complex role on the …

Laser-free trapped-ion entangling gates with simultaneous insensitivity to qubit and motional decoherence

April 29, 2020
Author(s)
R. T. Sutherland, Raghavendra Srinivas, Shaun C. Burd, Hannah Knaack, Andrew C. Wilson, David J. Wineland, Dietrich Leibfried, David T. Allcock, Daniel Slichter, S. B. Libby
… for state-of-the-art implementations of laser-free trapped-ion entangling gates are decoherence of the qubit state and … Laser-free trapped-ion entangling gates with simultaneous insensitivity to qubit …

Focused Ion Beam-Induced Displacive Phase Transformation From Austenite to Martensite during Fabrication of Quenched and Partitioned Steel Micro-Pillar

January 5, 2020
Author(s)
Eun Jung Seo, Lawrence Cho, Jin Kyung Kim, Javad Mola, Lijia Zhao, Sukjin Lee, Bruno C. De Cooman
… and partitioned steel micro-pillars by using focused ion beam (FIB) technique. The BCC phase produced by the FIB … immediately after a FIB scan of the surface with the Ga+ ion beam. This report addresses challenges related to the … retained austenite, martensitic transformation, focused ion beam. …

Cluster Primary Ion Beam Secondary Ion Mass Spectrometry for Semiconductor Characterization

January 1, 2001
Author(s)
John G. Gillen, S V. Roberson, Albert J. Fahey, Marlon L. Walker, J Bennett, R Lareau
… We are evaluating the use of polyatomic and cluster primary ion beams for characterization of semiconductor materials by secondary ion mass spectrometry using both magnetic sector and time-of-flight SIMS instruments. Primary ion beams of SF 5 +, C 8 - and CsC 6 - have been used to …

New Ritz wavelengths and transition probabilities of parity-forbidden [Mn II] lines of astrophysical interest

January 29, 2021
Author(s)
Florence Liggins, J C. Pickering, Gillian Nave, Alexander Kramida, Sebastien Gamrath, Pascal Quinet
… transition probabilities for parity-forbidden [Mn II] lines along with new calculations for their associated … all known metastable and other long-lived levels of Mn II giving a total of 1130 [Mn II] Ritz wavelengths. Our entire list of derived Ritz … and transition probabilities of parity-forbidden [Mn II] lines of astrophysical interest …

Recent experiments in trapped-ion quantum information processing at NIST

May 1, 2006
Author(s)
J Chiaverini, Murray D. Barrett, Brad R. Blakestad, Joseph W. Britton, Wayne M. Itano, John D. Jost, Emanuel H. Knill, C. Langer, Dietrich G. Leibfried, R Ozeri, Tobias Schaetz, David J. Wineland
… Recent experiments in trapped-ion quantum information processing at NIST …

Recent experiments in trapped-ion quantum information processing at NIST

May 1, 2006
Author(s)
J Chiaverini, Matthew P. Barrett, Brad R. Blakestad, Joseph W. Britton, Wayne M. Itano, John D. Jost, Emanuel H. Knill, C. Langer, Dietrich G. Leibfried, R Ozeri, T Schaetz, David J. Wineland
… Recent experiments in trapped-ion quantum information processing at NIST …

Friedel-like Oscillations from Interstitial Iron in Superconducting Fe 1+y Te 0.62 Se 0.38

March 7, 2012
Author(s)
V. Thampy, J. Kang, Jose Rodriguez Rivera, W. Bao, A. T. Savici, J. Hu, T. J. Liu, B. Qian, D. Fobes, Z. Q. Mao, C. B. Fu, Wangchun Chen, Q. Ye, Ross Erwin, Thomas R. Gentile, Z. Tesanovic, Collin L. Broholm
… superconductor, pnictide, Friedel-oscillation, interstitial-iron … Friedel-like Oscillations from Interstitial Iron in Superconducting Fe 1+y Te 0.62 Se 0.38 …

NIST IR 7477, Revision II, MINEX II Performance of Fingerprint Match-on-Card Algorithms - Phase IV Report

April 5, 2011
Author(s)
Patrick J. Grother, Wayne J. Salamon, Craig I. Watson, Michael D. Indovina, Patricia A. Flanagan
… The MINEX II trials have been conducted to evaluate the accuracy and … factor. This document is the third publication of MINEX II results. The prior two releases1, were published on … NIST IR 7477, Revision II, MINEX II Performance of Fingerprint Match-on-Card Algorithms - …

Pressure-induced volume-collapsed tetragonal phase of CaFe 2 As 2 as seen via neutron scattering

November 24, 2008
Author(s)
A. Kreyssig, Mark Green, Y. Lee, G. D. Samolyuk, Pawel Zajdel, Jeffrey Lynn, S. L. Bud'ko, M. S. Torikachvili, N. Ni, S. Nandi, Juscelino Leao, Sarah Poulton, D. N. Argyriou, B. N. Harmon, R. J. McQueeny, P. C. Canfield, A. I. Goldman
… Recent investigations of the superconducting iron-arsenide families have highlighted the role of pressure, … magnetic order, structural phase transition, pressure, iron-based superconductor …

Atomic structural evolution during the reduction of a-Fe2O3 nanowires

June 20, 2016
Author(s)
Wenhui Zhu, Jonathan P. Winterstein, Itai Maimon, Qiyue Yin, Lu Yuan, Aleksey N. Kolmogorov, Renu Sharma, Guangwen Zhou
… and the associated transformation pathways for different iron oxides. The reduction commences with the generation of … Iron oxide nanowires, redox reaction, Transmission electron …

Efficient Simulation of Secondary Fluorescence via NIST DTSA-II Monte Carlo

March 17, 2017
Author(s)
Nicholas Ritchie
… fluorescence - PENEPMA [Llovet, 2006] and NIST DTSA-II (discussed herein). These two models share many physical … interactions with matter. On the other hand, NIST DTSA-II was designed exclusively for simulation of … lead to different implementation decisions. NIST DTSA-II makes certain computational optimizations that aren't …

Gradual Release of Strongly-Bound Nitric Oxide from Fe 2 (NO) 2 (dobdc)

February 24, 2015
Author(s)
Eric D. Bloch, Wendy L. Queen, Sachin Chavan, Paul S. Wheatley, Joseph M. Zadrozny, Russell E. Morris, Craig Brown, Carlo Lamberti, Silvia Bordiga, Jeffrey R. Long
… An iron-based metal-organic framework featuring … %, corresponding to the adsorption of one NO molecule per iron center. Infrared, UV-vis, and Mossbauer spectroscopies, … binding is a result of electron transfer from the Fe II site to form Fe III -NO-adducts. Consistent with these …

Viscosity and Density of CuO Nanolubricant

June 23, 2009
Author(s)
Mark A. Kedzierski
… measurements of a synthetic polyolester based copper (II) oxide (CuO) nanoparticle dispersion (nanolubricant) at … additives, boiling, copper (II) oxide, nanotechnology, viscosity, density, lubricant, …

Discriminative potential of ion mobility spectrometry for the detection of fentanyl and fentanyl analogues relative to confounding environmental interferents

September 27, 2019
Author(s)
Thomas Forbes, Jeffrey Lawrence, Jennifer R. Verkouteren, R. Michael Verkouteren
… discriminative potential, sensitivity and specificity, of ion mobility spectrometry (IMS) for the detection of fentanyl … in desorption and drift tube temperatures, reactant ion dopant chemistry, and analysis time. This work identified … Ion mobility spectrometry, Illicit narcotics, Fentanyl, …
Displaying 526 - 550 of 4258
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