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NIST Authors in Bold

Displaying 1051 - 1075 of 2538

Varieties of Hyphenated Gas Chromatography with Mass Spectrometry

June 4, 2014
Author(s)
Thomas J. Bruno
… and that are highly specific in research settings (such as ion cyclotron mass spectrometry, and combined quadrupoles … quad, and the various hybrid sector-quad-time of flight-ion trap combinations) that are used in fundamental ion chemistry research. We also exclude magnetic sector …

Non-volatile Multi-level Switching in Artificial Synaptic Transistors Based on Epitaxial LiCoO2 Thin Films

October 26, 2021
Author(s)
Heshan Yu, Megan E. Holtz, Yunhui Gong, Justin Pearson, Yaoyu Ren, Andrew Herzing, Xiaohang Zhang, Ichiro Takeuchi
… Li-ion synaptic transistors offer non-volatile multi-level switching through Li-ion exchange between channel and electrolyte, and thus are … investigate of the multi-switching operation in the Li-ion synaptic devices fabricated on epitaxial Li1-xCoO2 (LCO) …

Mechanism of Dynamic NBTI of pMOSFETs

October 21, 2004
Author(s)
Baozhong Zhu, John S. Suehle, Joseph B. Berstein
… under pulsed bias conditions. A reduction of Vth and Ion is observed for pulse periods shorter than critical time … model is developed to explain the reduction of Vth and Ion as a function of pulse repetition frequency. …

Learning Atom Probe Tomography time-of-flight peaks for mass-to-charge ratio spectrometry

April 2, 2022
Author(s)
Kevin J. Coakley, Norman A. Sanford
… the mass-to-charge ratio, (m/z), spectrum due to various ion species. In general, the probability mass function (pmf) … with the time-of- flight (TOF) spectrum produced by each ion species is unknown and varies from species-to-species. Moreover, measuring pmfs for distinct ion species in calibration experiments is not practical. …

Localization Model Description of Diffusion and Structural Relaxation in Superionic Crystalline UO2

August 15, 2019
Author(s)
Jack F. Douglas, Hao Zhang, Xinyi Wang
… between the α-structural relaxation time τα and oxygen ion diffusion coefficient DO with the Debye-Waller factor for … interactions lead to non-Arrhenius relaxation and high ion mobility. As in a previous study of structural relaxation … and the long-time structural relaxation time and oxygen ion diffusion coefficient holds to an excellent approximation …

Eu 3+ -Doped Wide Band Gap Zn 2 SnO 4 Semiconductor Nanoparticles: Structure and Luminescence

August 3, 2016
Author(s)
Mirjana NMN Dimitrievska, Tamara B. Ivetic, Alexander P. Litvinchuk, Andrew Fairbrother, Bojan B. Miljevic, Goran R. Strbac, Alejandro Perez-Rodriguez, Svetlana R. Lukic-Petrovic
Nanocrystalline Zn 2SnO 4powders doped with Eu 3+ ions were synthesized via a mechanochemical solid-state reaction method followed by post annealing in air at 1200 °C. X-ray diffraction (XRD), energy-dispersive X-ray (EDX), Raman and photoluminescence (PL)

Early observations of macroscopic quantum jumps in single atoms

March 25, 2015
Author(s)
Wayne M. Itano, James C. Bergquist, David J. Wineland
… of intermittent fluorescence of a single atomic ion, a phenomenon better known as 'macroscopic quantum … in the laser-induced fluorescence of a single Hg + ion by a group at the National Institute of Standards and … A fourth experiment, performed not with a single, trapped ion, but with neutral atoms transiently observed in an atomic …

Entanglement of Four Particles

January 1, 2000
Author(s)
C A. Sackett, D Kielpinski, B E. King, Christopher Langer, V Meyer, C J. Myatt, M A. Rowe, Q A. Turchette, Wayne M. Itano, David J. Wineland, C Monroe
Quantum mechanics allows for many-particle wavefunctions that cannot be factorized into a product of single-particle wavefunctions, even when the constituent particles are entirely distinct. Such ‘entangled’ states explicitly demonstrate the non-local

Orbital Character of the Spin-Reorientation Transition in TbMn6Sn6

May 9, 2023
Author(s)
S. X. Riberolles, Tyler Slade, Rebecca Dally, P. Sarte, Bing Li, Tianxiong Han, H. Lane, C. Stock, H. Bhandari, N. J. Ghimire, D. Abernathy, P. Canfield, Jeffrey Lynn, B. Ueland, R. McQueeney
… ferrimagnet where the uniaxial anisotropy of the Tb 3+ ion generates out-of-plane magnetization of the ferromagnetic … and Tb-Mn magnetic coupling, we conclude that the Tb ion has an effective two-state orbital character, with a …

Interdependence Between Training and Magnetization Reversal in Granular Co-CoO Exchange Bias Systems

April 9, 2014
Author(s)
E. Menendez, T. Dias, J. Geshev, J. F. Lopez-Barbera, J. Nogues, R. Steitz, Brian Kirby, Julie Borchers, L.M.C. Pereira, A. Vantomme, K. Temst
… in granular Co-CoO exchange bias systems prepared by O ion implantation in Co thin films is demonstrated by … place by domain wall nucleation and motion), low-fluence O ion implantation results in an increased relative training … the contribution of the out-of-plane magnetization with ion implantation. The amount of incorporated O, which …

Effect of an Organogelator on the Properties of Dental Composites

May 1, 2005
Author(s)
Elizabeth Wilder, K S. Wilson, Janet Quinn, Drago Skrtic, Joseph M. Antonucci
… that exhibit strong mechanical properties and sustained ion release. Dibenzylidene sorbitol (DBS) is an organic … polymerization shrinkage, mechanical properties and ion release potential of bioactive dental composites … the biaxial flexure strength of dry specimens. However, ion release studies suggest that DBS inhibits the release of …

Ralaxometry and Magnetometry of Ferritin

December 1, 1998
Author(s)
R A. Brooks, J Vymazal, Ronald B. Goldfarb, J W. Bulte, P Aisen
By combining nuclear magnetic ralaxometry on 39 ferritin samples with different iron loading with magnetometry, results were obtained that suggest a new interpretation of the core structure and magnetic properties of ferritin. These studies provide

Deconvoluting the Influences of 3D Structure on the Performance of Photoelectrodes for Solar-Driven Water Splitting

February 7, 2017
Author(s)
Daniel V. Esposito, Youngmin Lee, Heayoung Yoon, Paul M. Haney, Natalie Labrador, Thomas P. Moffat, A. A. Talin, Veronika A. Szalai
… diameter, pitch, and height were fabricated by reactive ion etching (RIE). A general framework for modeling the … photoelectrodes, 3-dimensional photoelectrodes, reactive ion etching (RIE), silicon, micro-pillar arrays, scanning …
Displaying 1051 - 1075 of 2538
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