Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Journals

300 GHz Operation of Divider Circuits using High-Jc Nb/NbxSi1-x/Nb Josephson Junctions

December 18, 2014

Author(s)

David I. Olaya, Paul D. Dresselhaus, Samuel P. Benz

We are investigating high-current-density Josephson junctions with Nb(x)Si(1-x)-barriers in single- flux-quantum (SFQ) digital circuits to evaluate their...

Investigating Adsorption/Desorption of Carbon Dioxide in Aluminum Compressed Gas Cylinders

December 18, 2014

Author(s)

Walter R. Miller Jr., George C. Rhoderick, Franklin R. Guenther

Between June 2010 and June 2011, the National Institute of Standards and Technology gravimetrically prepared a suite of 20 carbon dioxide [CO2] in air primary...

Applicability of post-ionization theory to laser-assisted field evaporation of magnetite

December 18, 2014

Author(s)

Ann C. Chiaramonti Debay, D. K. Schreiber, Lyle M. Gordon, Karen Kruska

Analysis of the mean Fe ion charge state from laser-assisted field evaporation of magnetite (Fe3O4) reveals unexpected trends as a function of laser pulse...

Enhancing the Platinum Atomic Layer Deposition Infiltration Depth inside Anodic Alumina Nanoporous Membrane

December 18, 2014

Author(s)

Amit Vaish, Susan T. Krueger, Michael Dimitriou, Charles Majkrzak, David J. Vanderah, Lei Chen, Klaus Gawrisch

Platinum nanotubular membrane can be straightforwardly fabricated by Pt coating the inside of anodic alumina membranes (AAO) using atomic layer deposition (ALD)...

Evaluated Kinetics of Terminal and Non-Terminal Addition of H Atoms to 1-Alkenes: A Shock Tube Study of H + 1-Butene

December 17, 2014

Author(s)

Jeffrey A. Manion, Iftikhar A. Awan

Single-pulse shock tube methods have been used to thermally generate hydrogen atoms and investigate the kinetics of their addition reactions with 1-butene at...

Microwave Rotational Spectral Study of CH3CN-H2O and Ar-CH3CN

December 17, 2014

Author(s)

Francis J. Lovas, J. Sobhanadrib

The microwave spectrum of the molecular complex of acetonitrile (CH3CN) with water (H2O) has been studied with a pulsed-beam Fourier Transform Microwave...

Traceable GISAXS measurements for pitch determination of a 25 nm self-assembled polymer grating

December 17, 2014

Author(s)

Jan Wernecke, Michael Krumrey, Armin Hoell, Regis J. Kline, Hung-Kung Liu, Wen-Li Wu

The feature sizes of only a few nanometers in modern nanotechnology and next generation microelectronics continually increase the demand for suitable...

The Structure of Electrodeposited Aluminum Alloys from Chloroaluminate Ionic Liquids: Let's Not Ignore The Temperature

December 16, 2014

Author(s)

Gery R. Stafford, T. Tsuda, Charles Hussey

Electrodeposited alloys are rarely in thermodynamic equilibrium, and several unique microstructural features such as extended solid solubility, metastable...

Influence of Metal¿MoS2 Interface on MoS2 Transistor Performance: Comparison of Ag and Ti Contacts

December 16, 2014

Author(s)

Hui H. Yuan, Guangjun Cheng, Lin You, Haitao Li, Hao Zhu, Wei Li, Joseph J. Kopanski, Yaw S. Obeng, Angela R. Hight Walker, David J. Gundlach, Curt A. Richter, D. E. Ioannou, Qiliang Li

In this work, we present a study of enhancing MoS2 transistor performance by using proper metal contact. We found that the on-state current of MoS2 field-effect...

Unexpected Peaks in Tandem Mass Spectra due to Reaction of Product Ions with Water in Mass Spectrometer Collision Cells

December 15, 2014

Author(s)

Pedatsur Neta, Mahnaz Farahani, Yamil Simon, Yuxue Liang, Xiaoyu Yang, Stephen E. Stein

While determining the fragmentation pathways of positive ions of drugs, pesticides, metabolites, and other compounds, using electrospray ionization mass...

New x-ray measurements shed light on discrepancy between experiment and QED

December 15, 2014

Author(s)

Lawrence T. Hudson, C T. Chantler, A.T. Payne, M N. Kinnane, John D. Gillaspy, L F. Smale, Albert Henins, J A. Kimpton, E Takacs

Quantum Electro-Dynamics (QED) is the best tested theory of our physical world, yet significant disagreements have emerged between attempts to apply QED to...

X-Ray microbeam measurements of long range internal stresses in commercial purity aluminum processed by multiple passes of equal-channel angular pressing

December 15, 2014

Author(s)

Lyle E. Levine, Thien Phan, I-Fang Lee, Jonathan Z. Tischler, Huang Yi, Alan G. Fox, Terrance G. Langdon, Mike Kassner

X-ray microbeam diffraction was used to measure long range internal stresses (LRIS) in the grain/subgrain interiors of commercial purity aluminum processed by...

In-situ Temperature Calibration Capability for Dimensional Metrology

December 15, 2014

Author(s)

Prem K. Rachakonda, Daniel S. Sawyer, Balasubramanian Muralikrishnan, Christopher J. Blackburn, Craig M. Shakarji, Gregory F. Strouse, Steven D. Phillips

The Dimensional Metrology Group (DMG) at the National Institute of Standards and Technology (NIST) has developed a new in-situ temperature calibration system...

Absolute line intensities for oxirane in the 11.4 micron spectral region.

December 15, 2014

Author(s)

Walter J. Lafferty, Jean-Marie Flaud, Fridolin Kwabia

Absolute individual line intensities of numerous transitions of the fundamental ν15, ν12 and ν5 bands of oxirane (ethylene oxide, cyc-C2H4O) have been measured...

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...

Was this page helpful?