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Journals

Physical Properties of LiMn_2-xMxO₄ (M = Ni, Fe) Sol-Gel Nanopowders

December 15, 2014

Author(s)

E. Talik, L. Lipinska, A. Guzik, Pawel Zajdel, M. Michalska, M. Szubka, M. Kadziolka-Gawel, Rick L. Paul

The Pechini sol-gel method was applied to obtain LiMn 2-xT xO 4 (T=Ni, Fe; x = 0.1 to 0.5) nanopowders. Crystal and electronic structures, chemical composition...

Structure and Function of the Membrane Anchoring Self-Assembled Monolayers

December 14, 2014

Author(s)

David J. Vanderah, Tadas Ragaliauskas, Mindaugas Mickevicius, Mariya Jankunec, Gediminas Niaura, Gintaras Valincius, Bozena Rakovska

Structure of the self-assembled monolayers (SAMs) used to anchor phospholipid bilayers to surfaces affects the functional properties of the tethered bilayer...

Device-Level Experimental Observations of NBTI-Induced Random Timing Jitter

December 13, 2014

Author(s)

Guangfan Jiao, Jiwu Lu, Jason Campbell, Jason Ryan, Kin P. Cheung, Chadwin D. Young, Gennadi Bersuker

This work utilizes device-level eye-diagram measurements to examine NBTI-induced changes in timing jitter at circuit speeds. The measured jitter is examined for...

Behavior of Unrestrained and Restrained Steel Columns Adjacent to Localized Fire

December 12, 2014

Author(s)

Chao Zhang, John L. Gross, Therese P. McAllister, Guo-Qiang Li

Steel columns may be exposed to thermal radiation from localized burning of a fire source nearby. Current structural fire design methods are based on uniform...

PM Noise Measurement at W-Band

December 12, 2014

Author(s)

Archita Hati, Craig W. Nelson, David A. Howe

We present improved performance for a 92 - 96 GHz cross-spectrum phase modulated (PM) noise measurement system previously reported. The system is principally...

Natural Scene Statistics in Infrared Images

December 12, 2014

Author(s)

Nicholas G. Paulter Jr., Todd R. Goodall, Alan C. Bovik

Natural Scene Statistics (NSS) produces powerful perceptually relevant tools that have been highly successful in image quality analysis of visible light images...

Identification of charge-transfer satellites in the photoelectron spectra of SrTiO3 by high energy resonant photoelectron spectroscopy

December 12, 2014

Author(s)

Joseph C. Woicik, C. Weiland, Abdul K. Rumaiz

We have studied the satellite structure appearing in the Ti 1s and Ti 2p core-photoelectron spectra of the transition-metal oxide SrTiO3 by high energy resonant...

Tunable Spin-Orbit Coupling via Strong Driving in Ultracold Atom Systems

December 12, 2014

Author(s)

Ian B. Spielman, Lindsay J. LeBlanc, Ross A. Williams, Matthew C. Beeler, Chunlei Qu, Ming Gong, Chuanwei Zhang

Spin-orbit coupling (SOC) is an essential ingredient in topological materials, conventional and quantum-gas based alike. Engineered spin-orbit coupling in...

Quantitative Evidence for Organic Peroxy Radical Photochemistry

December 12, 2014

Author(s)

William S. McGivern, Joseph Klems

Quantitative evidence for the importance of alkyl peroxy photochemistry in the formation of secondary organic aerosol at 254 nm. Dodecanoic acid has been...

Behavior of Unrestrained and Restrained Steel Columns Surrounded by Localized Fire

December 12, 2014

Author(s)

Chao Zhang, John L. Gross, Therese P. McAllister, Guo-Qiang Li

Real fires start from localized burning, and will not develop to flashover if in an open space or in large open-plan compartments. Temperatures of gas and...

Action spectra for validation of pathogen disinfection in medium-pressure ultraviolet (UV) systems

December 12, 2014

Author(s)

Sara E. Beck, Harold B. Wright, Thomas M. Hargy, Thomas C. Larason, Karl G. Linden

Ultraviolet (UV) reactors used for disinfecting water and wastewater must be validated and monitored over time. The validation process requires understanding...

MECHANICS ANALYSIS OF MOLAR TOOTH SPLITTING

December 12, 2014

Author(s)

Amir Barani, Brian R. Lawn, Mark Bush, Herzl Chai

A model for the splitting of teeth from wedge loading of molar cusps from a round indenting object is presented. The model is developed in two parts: first, a...

Short-Range Correlations in the Magnetic Ground State of Na₄Ir₃O₈

December 12, 2014

Author(s)

Rebecca Dally, Tom Hogan, Alex Amato, Chris Baines, Jose Rodriguez Rivera, Michael J. Graf, Stephen D. Wilson

The magnetic ground state of the J eff = 1/2 hyper-Kagome lattice in Na 4Ir 3O 8 is explored via combined bulk magnetization, muon spin relaxation, and neutron...

Fog Bank: A Single Cell Segmentation across Multiple Cell Lines and Image Modalities

December 11, 2014

Author(s)

Joe Chalfoun, Michael P. Majurski, Alden A. Dima, Christina Stuelten, Adele P. Peskin, Mary C. Brady

Cryocooled 10 V Programmable Josephson Voltage Standard

December 11, 2014

Author(s)

Alain Rufenacht, Logan A. Howe, Anna Fox, Robert E. Schwall, Paul Dresselhaus, Charles J. Burroughs, Samuel Benz

Implementation of programmable Josephson voltage standard (PJVS) circuits on cryocooler at 4 K is a challenge. The limited cooling power of the cryocoolers has...

Quantifying CD4 receptor protein in two human CD4+ lymphocyte preparations for quantitative flow cytometry

December 11, 2014

Author(s)

Meiyao M. Wang, Martin Misakian, Hua-Jun He, Peter Bajcsy, Jeffrey M. Davis, Kenneth D. Cole, Illarion Turko, Lili Wang, Fatima Abbasi

For quantitative flow cytometry, a biological cell reference material with a known biomarker expression level is needed to transform a linear arbitrary...

Carbon Monoxide Generation, Dispersion and Exposure from Indoor Operation of Gasoline-powered Electric Generators under Actual Weather Conditions

December 11, 2014

Author(s)

Wang Liangzhu, Steven Emmerich, Andrew K. Persily, Cheng-Chun Lin

Gasoline-powered electric generators are widely used during power outages, for example during the U.S. hurricane season. Based on currently available data...

Computing elastic moduli on 3-D X-ray computed tomography image stacks

December 10, 2014

Author(s)

Edward Garboczi, Volodymyr Kushch

A common numerical task is to compute the effective elastic properties of a random composite material based on its microstructure by operating on a 3D digital...

Experimental Bounds on Classical Random Field Theories

December 10, 2014

Author(s)

Joffrey K. Peters, Sergey V. Polyakov, Jingyun Fan, Alan L. Migdall

Alternative theories to quantum mechanics motivate important fundamental tests of our understanding and description of the smallest physical systems. Here we...

A self-calibrating optomechanical force sensor with femtonewton resolution

December 10, 2014

Author(s)

John T. Melcher, Julian Stirling, Felipe Guzman, Jon R. Pratt, Gordon A. Shaw

We report the development of an ultrasensitive optomechanical sensor designed to improve the accuracy and precision of force measurements with atomic force...

Microwave Determination of the Volume of a Pressure Vessel

December 9, 2014

Author(s)

Michael R. Moldover, James W. Schmidt, Keith A. Gillis, James B. Mehl, John D. Wright

Using microwave techniques that are scalable to very large volumes, we measured the interior volume of a 0.3 m 3, commercially-manufactured, pressure vessel...

Ultra-Thin Curved Transmission Crystals for High Resolving Power (up to E/¿E=6300) X-Ray Spectroscopy in the 6 keV to 13 keV Energy Range

December 9, 2014

Author(s)

Lawrence T. Hudson, John F. Seely, Jack L. Glover, Albert Henins, Nino R. Pereira

Ultra-thin curved transmission crystals operating in the Cauchois spectrometer geometry were evaluated for the purpose of achieving high spectral resolution in...

Biomass Particle Models with Realistic Morphology and Resolved Microstructure for Simulations of Intraparticle Transport Phenomena

December 9, 2014

Author(s)

Peter Ciesielski, Michael F. Crowley, M R. Nimlos, Aric Sanders, Gavin Wiggins, Bryon Donohoe

Biomass exhibits a complex microstructure of directional pores that can vary substantially between species of origin. However, models of biomass particles...

Effect of multipole excitations in electron energy-loss spectroscopy of surface plasmon modes in silver nanowires

December 8, 2014

Author(s)

Andrew Herzing, Theodore Norris, Xiuli Zhou, Nestor Zaluzec

The surface plasmon (SP) response to an external electromagnetic field plays a dominant role in determining the optical properties of metallic nanostructures...

Polarization of Bi2Te3 Thin Film in a Floating-Gate Capacitor Structure

December 8, 2014

Author(s)

Hui H. Yuan, Kai Zhang, Haitao Li, Hao Zhu, John E. Bonevich, Helmut Baumgart, Curt A. Richter, Qiliang Li

Metal-Oxide-Semiconductor capacitors with Bi2Te3 thin film sandwiched and embedded inside the oxide layer have been fabricated and studied. The capacitors...

Improvements to NISTs Air Speed Calibration Service

December 8, 2014

Author(s)

Iosif I. Shinder, Michael R. Moldover, Christopher J. Crowley, Bernard J. Filla

We discuss five significant improvements to the Air Speed Calibration Service conducted by the National Institute of Standards and Technology (NIST): 1. Reduced...

Generation of bright phase-matched circularly-polarized extreme ultraviolet high harmonics

December 8, 2014

Author(s)

Justin M. Shaw, Patrik Grychtol, Dmitriy Zusin, Ronny J. Knut, Tenio Popmintchev, Hans T. Nembach, Avner Fleischer, Henry Kapteyn, Margaret Murnane, Ofer Kfir, Oren Cohen

Circularly-polarized extreme UV and X-ray radiation provides valuable access to the structural, electronic and magnetic properties of materials. To date, this...

Toward a New Evaluation of the Neutron Standards

December 6, 2014

Author(s)

Allan D. Carlson, V G. Pronyaev, R. Capote, G M. Hale, F. J. Hambsch, T Kawano, S. Kunieda, R O. Nelson, D. Neudecker, P Schillebeeckx, S Simakov, D L. Smith, X Talou, A Wallner, W Wang

A new version of the ENDF/B library has been planned. The first step in producing this new library is evaluating the neutron standards. An evaluation is now...

Numerical Modelling and the Uncertainty Analysis of Transistor Noise-Parameter Measurements

December 5, 2014

Author(s)

James P. Randa

This paper provides an overview of the use of noise parameters as a numerical model to represent the noise characteristics of transistors, particularly in the...

Junction Yield Analysis for 10 V Programmable Josephson Voltage Standard Devices

December 5, 2014

Author(s)

Anna E. Fox, Paul D. Dresselhaus, Alain Rufenacht, Aric W. Sanders, Samuel P. Benz

Analysis of the Josephson junction yield in the National Institute of Standards and Technology 10 V Programmable Josephson Voltage Standard (PJVS) has been...

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