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Displaying 1201 - 1225 of 4259

Fabrication of GaN-Based Nanoscale Device Structures Utilizing Focused Ion Beam Induced Pt Deposition

October 16, 2008
Author(s)
Abhishek Motayed, Albert Davydov, Mark D. Vaudin, Igor Levin, John Melngailis, S N. Mohammad
… GaN nanowires and electrical contacts utilizing Focused Ion Beam (FIB) induced Pt deposition. These GaN nanowires … 2) coated p++ Si substrate. A 30KeV Ga(superscript +) ion beam was used to dissociate … of GaN-Based Nanoscale Device Structures Utilizing Focused Ion Beam Induced Pt Deposition …

A NLTE analysis of the z Aurigae B-type secondary I. Determination of the fundamental stellar parameters

October 12, 2021
Author(s)
P D. Bennett, A Brown, J L. Linsky
… & 7 resonance multiplets (1277-1281 Angstrom}) and the Si II UV 4 (1260-65 Angstrom}) and UV 5 (1190-97 Angstrom}) … our models predict. We examine possible causes of the Si II line weakness, and conclude that an underabundance due to … regions. We find log b(C I)=-1.84 and log b(Si II)=-1.00. This NLTE effect for C I is almost certainly real, …

Temperature-dependent structure of Tb-doped magnetite nanoparticles

February 13, 2015
Author(s)
Katherine P. Rice, Stephen E. Russek, Roy H. Geiss, Justin Shaw, Robert J. Usselman, Eric R. Evarts, Thomas J. Silva, Hans Nembach, Elke Arenholz, Yves U. Idzerda
… the Tb spins are unpolarized and weakly coupled to the iron spin lattice at room temperature, and begin to polarize and couple to the iron oxide lattice at temperatures below 50 K. Broadband … nanoparticles, further confirming small coupling between iron and Tb spins at room temperature. The Gilbert damping …

IMS-Based Trace Explosives Detectors for First Responder Use

September 1, 2005
Author(s)
Jennifer R. Verkouteren, John G. Gillen, R M. Verkouteren, Robert A. Fletcher, E S. Etz, George A. Klouda, Alim A. Fatah, Philip J. Mattson
… performance requirements and an associated test method for Ion Mobility Spectrometry (IMS) based trace explosives … explosives, first responder, IMS, ion mobility spectrometry, PETN, RDX, trace explosives …

Chemical Limits to Flame Inhibition

December 1, 1998
Author(s)
Valeri I. Babushok, Wing Tsang, Gregory T. Linteris, D Reinelt
… to the observed behavior of metallic inhibitors such as iron pentacarbonyl which is known to be as much as 2 orders … between the behavior of a "perfect inhibitor" and iron carbonyl leads to the conclusion that only gas-phase …

Creation of a six-atom Schrodinger cat state

December 1, 2005
Author(s)
Dietrich G. Leibfried, Emanuel H. Knill, Signe Seidelin, Joseph W. Britton, Brad R. Blakestad, J Chiaverini, David Hume, Wayne M. Itano, John D. Jost, C. Langer, R Ozeri, Rainer Reichle, David J. Wineland
… is defined by two hyperfine ground states of a beryllium ion, with the cat state corresponding to an entangled equal …

The Discovery of Type-IV Binary Fluid Phase Behavior

October 16, 2008
Author(s)
Johanna Levelt Sengers
… the Type-IV phase diagram as a transition between Type-II and Type-III phase diagrams. The common boundary of the regions of Type-II and Type-III is a locus of tricritical points. The … locus meets the common boundary of regions of Type-II and Type-IV at what Meijer coined the Van Laar point in …

Certification of Standard Reference Material(R) 956e Electrolytes in Frozen Human Serum

April 2, 2025
Author(s)
Lee Yu, Steven Christopher, Regina Easley, Monique Johnson, Dennis Leber, Thomas Vetter, Jason Waters, Charles Barber, Karen Murphy, Laura Wood, Stephen Chin, Murli Narayan, Alexander Rhodes, Michael Nash
… This SRM can be used for calibrating direct-reading ion-selective electrode (ISE) analyzers, and for validating … Standard C29-A2, Standardization of Sodium and Potassium Ion-Selective Electrode Systems to the Flame Photometric … (Mg), Phosphorus (P), Potassium (K), Sodium (Na), Ion selective electrode. …

Method for combined biometric and chemical analysis of human fingerprints

June 2, 2014
Author(s)
Jessica L. Staymates, Shahram Orandi, Matthew E. Staymates, John G. Gillen
… within a single sample. The method described here uses ion mobility spectrometry (IMS) as a chemical detection … biometrics, fingerprints, explosives, narcotics, ion mobility spectrometry …

Formation of [Cu 2 O 2 ] 2+ and [Cu 2 O] 2+ Toward C-H Bond Activation in Cu-SSZ-13 and Cu-SSZ-39

July 7, 2017
Author(s)
Bahar Ipek, Matthew J. Wulfers, Hacksung Kim, Florian Goeltl, Ive Hermans, Joseph P. Smith, Karl S. Booksh, Craig Brown, Raul F. Lobo
… at 450 °C are identified as trans-υ1,2-peroxo dicopper(II) and mono–(υ–oxo) dicopper(II) using synchrotron X-ray diffraction, in-situ UV–vis and … 837 cm -1 are assigned to the trans-υ-1,2-peroxo dicopper(II) species, whereas the Cu–O vibration at 617 cm -1 (Δ} 18 …

Multiferroic Quantum Material Ba2Cu1-xMnxGe2O7(O?x?1) as a Potential Candidate for Frustrated Heisenberg Antiferromagnet

July 30, 2024
Author(s)
Henrik Thoma, Rajesh Dutta, Vladimir Hutanu, Veronica Granata, Rosalba Fittipaldi, Qiang Zhang, Jeffrey Lynn, Petr Cermak, Nazir Khan, Shibabrata Nandi, Manuel Angst
… interaction (DMI) and the absence of single ion anisotropy (SIA). This phase, however, could not be … Multiferroic, Ba2Cu1-xMnxGe2O7, single ion anisotropy, Dzyaloshinskii-Moriya interaction, Quantum …

Observation of a C-type Short-Range Antiferromagnetic Order in Lyaer Spacing Expanded FeS

March 9, 2020
Author(s)
Meng Wang, Ming Yi, Benjamin A. Frandsen, Junjie Yin, Hualei Sun, Zhijun Xu, Huibo Cao, Edith Bourret-Courchesne, Jeffrey W. Lynn, Robert J. Birgeneau
… crystals via a hydrothermal method. While no √5 x √5 iron vacancy order or block antiferromagnetic order typical … of phenomena observed in FeS and the related FeSe 1-x S x iron chalcogenide system. …
Displaying 1201 - 1225 of 4259
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