Journals

Substitution of Ni for Fe in Superconducting Fe_0.98Te_0.5Se_0.5 Depresses the Normal-State Conductivity but not the Magnetic Spectral Weight

January 5, 2015

Author(s)

Jinghui Wang, Ruidan Zhong, Shichao Li, Yuan Gan, Zhijun Xu, Cheng Zhang, T Ozaki, M. Matsuda, Yang Zhao, Qiang Li, Guangyong Xu, Genda Gu, J. M. Tranquada, R. J. Birgeneau, Jinsheng Wen

We have performed systematic resistivity and inelastic neutron scattering measurements on Fe 0.98-zNi zTe 0.5Se 0.5 samples to study the impact of Ni...

Vibrational shape tracking of atomic force microscopy cantilevers for improved sensitivity and accuracy of nanomechanical measurements

January 5, 2015

Author(s)

Ryan Wagner, Jason Killgore, Ryan C. Tung, Arvind Raman, Donna C. Hurley

Contact resonance atomic force microscopy (CR-AFM) methods currently utilize the eigenvalues, or resonant frequencies, of the AFM cantilever in contact to...

Proximity-effect test for lossy wireless-device measurements in reverberation chambers

January 4, 2015

Author(s)

Catherine A. Remley, Joop Aan Den Toorn, Christopher L. Holloway, John M. Ladbury, Chih-Ming Wang

We present a test method for quantifying and reducing systematic errors arising from antenna proximity to lossy objects in over-the-air performance testing of...

Design and test of reliable, high strength, ingressive polycrystalline silicon microgripper arrays

January 2, 2015

Author(s)

Siddharth Hazra, Jack L. Beuth, Grant A. Myers, Frank W. DelRio, Maarten de Boer

We present the design and extensive validation of a micromachined gripper array that enables reliable transmission of forces up to 10 milliNewtons. The gripper...

Designing a standard for strain mapping: HR-EBSD analysis of SiGe thin film structures on Si

January 1, 2015

Author(s)

Mark D. Vaudin, William A. Osborn, Lawrence H. Friedman, Justin M. Gorham, Robert F. Cook, Victor Vartanian

Patterned SiGe thin film structures, heteroepitaxially deposited on Si substrates, are investigated as potential reference standards to establish the accuracy...

Optical Lattice Clocks

January 1, 2015

Author(s)

Andrew D. Ludlow, Christopher W. Oates

Here we introduce and give a basic description of optical lattice clocks. We also briefly describe recent advances in these atomic frequency standards, looking...

Rapid DNA melting analyses using a microfabricated electrochemical platform

January 1, 2015

Author(s)

Zuliang Shen, Stephen Semancik, Herman O. Sintim

A new microscale platform is reported which is based on microfabrication methods that integrate thermal control and multi-electrode components to enable rapid...

Low-Loss Complex Permittivity and Permeability Determination in Transmission/Reflection Measurements with Time-Domain Smoothing

January 1, 2015

Author(s)

Jeffrey R. Guerrieri, Sung Kim

An approach is proposed for determination of the complex permittivity and permeability of low- loss materials, eliminating half-wavelength resonances occurring...

Measurements and identifications of extreme ultraviolet spectra of highly-charged ions of Sm and Er

December 31, 2014

Author(s)

Yuri A. Podpaly, John D. Gillaspy, Joseph Reader, Yuri Ralchenko

We report on the spectroscopic measurements of highly charged samarium and erbium performed at the National Institute of Standards and Technology (NIST)...

Atomic Clock with 1x10^-18 Room-Temperature Blackbody Stark Uncertainty

December 31, 2014

Author(s)

Kyle P. Beloy, Nathan M. Hinkley, Nate B. Phillips, Jeffrey A. Sherman, Marco Schioppo, John H. Lehman, Ari D. Feldman, Leonard M. Hanssen, Christopher W. Oates, Andrew D. Ludlow

The Stark shift due to blackbody radiation (BBR) is a key factor limiting the performance of many atomic frequency standards, with the BBR environment inside...

Reevaluation of Neutron Flux Characterization Parameters for NIST RT-2 Facility

December 31, 2014

Author(s)

Dagistan Sahin, Vladimir Radulovic, Richard M. Lindstrom, Andrej Trkov

It has been difficult to characterize the thermal to epithermal neutron flux ratio (f) and the measure of the nonideal epithermal neutron flux distribution (α)...

Quantitative, label-free characterization of stem cell differentiation at the single-cell level by broadband coherent anti-Stokes Raman scattering microscopy

December 31, 2014

Author(s)

Marcus T. Cicerone, Young J. Lee, Khaled A. Aamer, Prabhas V. Moghe, Sebastian L. Vega, Parth J. Patel

We use broadband coherent anti-Stokes Raman scattering (BCARS) microscopy to characterize lineage commitment of individual human mesenchymal stem cells (hMSCs)...

Effect of fiber gripping method on the single fiber tensile test: II. Comparison of fiber gripping materials and loading rates

December 30, 2014

Author(s)

Jae Hyun Kim, Nathanael A. Heckert, Steven P. Mates, Jonathan E. Seppala, Walter G. McDonough, Chelsea S. Davis, Kirk D. Rice, Gale A. Holmes

Background Intensity Correction for Terabyte-Sized Time-Lapse Images

December 30, 2014

Author(s)

Joe Chalfoun, Michael P. Majurski, Kiran Bhadriraju, Steven P. Lund, Peter Bajcsy, Mary C. Brady

Tailor-Made Polyamide Membranes for Water Desalination

December 30, 2014

Author(s)

Edwin P. Chan, Wansuk Chol, Joona Bang, Jong Suk Lee, Jung-Hyun Lee, Joung-Eun Gu

Independent control over the extrinsic and intrinsic properties of the polyamide selective layer is critical when designing water desalination reverse osmosis...

A Semantic Framework for Modeling and Simulation of Cyber-physical Systems

December 30, 2014

Author(s)

Parastoo Delgoshaei, Mark Austin, Amanda Pertzborn

This paper describes a new semantic platform infrastructure for model-based systems engineering, requirements traceability, and system simulation and assessment...

Polarization-selective Kerr-phase-shift method for fast, all-optical polarization switching in a cold atomic medium

December 30, 2014

Author(s)

C. J. Zhu, Lu Deng, Edward W. Hagley

We examine an all-optical atomic-polarization-gate scheme using a polarization-selective Kerr phase-shift technique. Using a Kerr π-phase-shift technique, we...

New Modified UNIFAC Parameters using Critically Evaluated Phase Equilibrium Data

December 30, 2014

Author(s)

Jeongwon Kang, Vladimir Diky, Michael D. Frenkel

New modified UNIFAC property prediction model parameters are reported for 89 main groups and 984 group-group interactions using critically evaluated phase...

A Never-Ending Search for the Truth: Thermodynamics in the Uncertain Era of the Internet

December 29, 2014

Author(s)

Michael D. Frenkel

This article is based on the 20-th Rossini Lecture delivered on July 28, 2014 at the opening of the 23-d International Conference on Chemical Thermodynamics in...

X-ray Diffraction Study and Powder Diffraction Patterns of Double Perovskites Sr2RSbO6 (R= Pr, Nd, Sm, Eu, Gd, Dy, Ho, Y, Er, Tm, Yb, and Lu)

December 29, 2014

Author(s)

Winnie K. Wong-Ng, James A. Kaduk, Mario Loung, Qingzhen Huang

The crystal structure and X-ray diffraction powder patterns were prepared for the double perovskite series of compounds, Sr2RSbO6 (R= Pr, Nd, Sm, Eu, Gd, Dy, Ho...

Fluctuating Defects in the Incipient Relaxor K_1-xLi_xTaO₃ (x=0.02)

December 24, 2014

Author(s)

C. Stock, Peter M. Gehring, G. Xu, Daniel Lamago, Dmitry Reznik, M. Russina, Jinsheng Wen, Lynn A. Boatner

We report neutron scattering measurements of the structural correlations associated with the apparent relaxor transition in K 1-xLi xTaO 2 for x=0.02 (KLT(0.02)...

3D TEM Tomography of Templated Bilayer Films of Block Copolymers

December 23, 2014

Author(s)

Kevin W. Gotrik, Thomas F. Lam, Adam F. Hannon, Wubin Bai, Jonathan P. Winterstein, Alfredo Alexander-Katz, James Alexander Liddle, Caroline A. Ross

Transmission electron microscope (TEM) tomography was used to visualize the morphology and 3D connectivity of a lithographically-templated, self-assembled...

Integration of TES microcalorimeters with microwave SQUID multiplexed readout.

December 22, 2014

Author(s)

Douglas A. Bennett, John A. Mates, Johnathon D. Gard, Andrew Hoover, Micheal Rabin, Carl D. Reintsema, Daniel R. Schmidt, Leila R. Vale, Joel N. Ullom

The demonstration of a microwave SQUID multiplexed readout of transition-edge sensor (TES) microcalorimeters has the potential to dramatically expand the scale...

Measurement of the Gold-Gold Bond Rupture Force at 4 K in a Single-Atom Chain Using Photon-Momentum-Based Force Calibration

December 22, 2014

Author(s)

Douglas T. Smith, Jon R. Pratt

We present instrumentation and methodology for simultaneously measuring force and displacement at the atomic scale at 4 K. The technique, which uses a...

Entanglement-based quantum communication secured by nonlocal dispersion cancellation

December 22, 2014

Author(s)

Catherine Lee, Zheshen Zhang, Greg Steinbrecher, Hongchao Zhou, Jacob Mower, Tian Zhong, Ligong Wang, Rob Horansky, Varun Verma, Richard Mirin, Francesco Marsili, Matthew Shaw, Sae Woo Nam, Gregory Wornell, Franco N. Wong, Jeffrey Shapiro, Dirk Englund

The principles of quantum mechanics enable new applications that address unsolved problems in communications, computation, and precision measurement. Quantum...

Advances in the generalized entropy theory of glass-formation in polymer melts

December 21, 2014

Author(s)

Jack F. Douglas, J Dudowicz, Karl Freed

The generalized entropy theory (GET) of polymeric glass-forming liquids is reformulated in a simpler and more natural formalism than our previous version of...

Moving boundary and photoelastic coupling in GaAs optomechanical resonators

December 20, 2014

Author(s)

Krishna Coimbatore Balram, Marcelo I. Davanco, Ju Y. Lim, Jin Dong Song, Kartik A. Srinivasan

Interrogating the Carbon and Oxygen K-edge NEXAFS of a CO2-dosed Hyperbranched Aminosilica

December 19, 2014

Author(s)

Laura Espinal, Martin L. Green, Dean M. DeLongchamp, Watcharop Chaikittisilp, Jarod C. Horn, Miles Sakwa-Novak, Cherno Jaye, Daniel A. Fischer, Nicholas Brunelli, Christopher Jones

Near edge x-ray absorption fine structure (NEXAFS) spectroscopy was used to study the adsorption of CO2 in a hyperbranched aminosilica (HAS) compound, a porous...

Improving Photoelectron Counting and Particle Identification in Scintillation Detectors with Bayesian Techniques

December 19, 2014

Author(s)

Kevin J. Coakley, M. Akashi-Ronquest, P.-A. Amaudruz, B. Beltran, M. Bodmer, M.G. Boulay, R. Bourque, B. Buck, A. Butcher, B. Cai, T. Caldwell, M. Chen, Y. Chen, B. Cleveland, F. A. Duncan, E. O'Dwyer, E. Flores, J. A. Formaggio, D. Gastler, F. Giuliani, M. Gold, V. V. Golovko, P. Gore, K. Graham, E. Grace, J. Griego, N. Guerrero, V. Guiseppe, A. L. Hallin, P. Harvey, R. Henning, A, Hime, J. Hofgartner, S. Jaditz, C. J. Jillings, C. Kachulis, E. Kearns, J. Kelsey, J. R. Klein, M. Ku'zniak, A. Latorre, L. Lawson, O. Li, J. J. Lidgard, P. Liimatainen, S. Linden, W. H. Lippincott, F. Lopez, K. McFarlane, R. Mathew, A. B. McDonald, D.-M Mei, J. Monroe, A. Muir, C. Nantais, J. A. Nikkel, J. Oertel, K. Olsen, G. D. Orebi Gann, C. Oullet, K. Palladino, P. Pasuthip, G. Perumpilly, T. Pollmann, W. Rau, F. Reti'ere, L. Rodriguez, R. Schnee, S. Seibert, P. Skensved, T. Sonley, E. V'azquez Ja' uregui, J. Walding, B. Wang

Many current and future dark matter and neutrino detectors are designed to record scintillation light with a large array of photomultiplier tubes (PMTs). The...

Reconstruction of mode structure of faint sources and its applications

December 19, 2014

Author(s)

Sergey Polyakov, Alan Migdall, Elizabeth A. Goldschmidt, Giorgio Brida, Stefan Kueck, Fabrizio Piacentini, Ivo P. Degiovanni, I. Ruo Berchera, Marco Genovese

We build upon our newly developed mode reconstruction technique that takes advantage of higher-order photon number statistics and propose new experiments.