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

Simultaneous, Full Characterization of a Single-Photon State

November 15, 2017

Author(s)

Tim O. Thomay, Sergey Polyakov, Elizabeth A. Goldschmidt, Glenn S. Solomon, Olivier Gazzano, Vivien Loo

As single-photon sources become more mature and are used more often in quantum information, communications, and measurement applications, their characterization...

Precise Measurement of Enthalpy of Sublimation of Ne, N2, O2, Ar, CO2, Kr, Xe, and H2O using an Internally Consistent Sensing Platform

November 15, 2017

Author(s)

Hamza Shakeel, Haoyan Wei, Joshua M. Pomeroy

We report precise experimental values of the enthalpy of sublimation (∆H_s) of quenched condensed films of neon (Ne), nitrogen (N2), oxygen (O2), argon (Ar)...

Subradiant dipolar interactions in plasmonic nanoring resonator array for integrated label-free biosensing

November 15, 2017

Author(s)

Yuzhang Liang, Hui Zhang, Wenqi Zhu, Amit Agrawal, Henri Lezec, Lixia Li, Wei Peng, Y Zou, Yanqing Lu, Ting Xu

With the development of advanced nanofabrication technologies over the last decade, plasmonic nanostructures have attracted wide attention for their potential...

Structural Aspects of Porphyrins for Functional Materials Applications

November 15, 2017

Author(s)

Lawrence P. Cook, Greg Brewer, Winnie Wong-Ng

Porphyrinic compounds comprise a diverse group of materials which have in common the presence of one or more cyclic tetrapyrrole units known as porphyrins in...

Rate effects on transformation kinetics in a metastable austenitic stainless steel

November 15, 2017

Author(s)

Rakan Alturk, William E. Luecke, Steven Mates, A Araujo, K. S. Raghavan, Fadi Abu-Farha

In this study, the effects of strain rate on the mechanical properties and the strain-induced austenite-to-martensite transformation in 201 austenitic stainless...

Weather Correlations to Calculate Infiltration Rates for U.S Commercial Building Energy Models

November 14, 2017

Author(s)

Lisa C. Ng, Nelson Ojeda-Quiles, William S. Dols, Steven J. Emmerich

As building envelope performance and heating, ventilating and air-conditioning (HVAC) equipment efficiencies are improved to reduce building energy use, a...

Comparative Performance and Model Agreement of Three Common Photovoltaic Array Configurations

November 14, 2017

Author(s)

Matthew Boyd

Three grid-connected monocrystalline silicon arrays on the National Institute of Standards and Technology (NIST) in Gaithersburg, Maryland have been...

In-situ Elastic Strain Mapping During Micromechanical Testing Using EBSD

November 14, 2017

Author(s)

Mark McLean, William A. Osborn

Compared to more commonly used strain measurement techniques, EBSD offers improved spatial resolution and measurement sensitivity. Additionally, EBSD can...

Collision-Induced Dissociation of Deprotonated Peptides. Relative Abundance of Side-Chain Neutral Losses, Residue-Specific Product Ions, and Comparison with Protonated Peptides

November 14, 2017

Author(s)

Yuxue Liang, Pedatsur Neta, Xiaoyu (Sara) Yang, Stephen E. Stein

High-accuracy MS/MS spectra of deprotonated ions of 390 dipeptides and 137 peptides with 3 to 6 residues are studied. Many amino acid residues undergo neutral...

Effect of ammonium polyphosphate to aluminum hydroxide mass ratio on the properties of wood- flour/polypropylene composites

November 14, 2017

Author(s)

Mauro Zammarano

In this study, two halogen-free inorganic flame retardants, ammonium polyphosphate (APP) and aluminum hydroxide (ATH) were added to wood-flour/polypropylene...

Shape and Size of Microfine Aggregates: X-Ray Microcomputed Tomography vs. Laser Diffraction

November 13, 2017

Author(s)

Sinan Erdogan, Edward Garboczi, D Fowler

Microfine aggregates are aggregates, formed naturally or in a crushing process, that pass a #200 ASTM sieve, so are considered to have an equivalent spherical...

Charged Grain Boundaries and Carrier Recombination in Polycrystalline Thin-Film Solar Cells

November 13, 2017

Author(s)

Benoit H. Gaury, Paul M. Haney

We present analytical relations for the dark recombination current of a pn+ junction with positively charged columnar grain boundaries in the high defect...

Overview of the NIST 2016 LoReHLT Evaluation

November 13, 2017

Author(s)

Audrey N. Tong, Lukasz L. Diduch, Jonathan G. Fiscus, Yasaman Haghpanah, Shudong Huang, David M. Joy, Kay Peterson, Ian M. Soboroff

Initiated in conjunction with DARPA's Low Resource Languages for Emergent Incidents (LORELEI) Program, the NIST LoReHLT (Low Re-source Human Language Technology...

Reduced resistance drift in tunnel junctions using confined tunnel barriers

November 13, 2017

Author(s)

Zachary Barcikowski, Joshua M. Pomeroy

Spontaneous avalanche dephasing in large Rydberg ensembles

November 13, 2017

Author(s)

Thomas L. Boulier, Eric Magnan, Carlos Bracamontes, James Maslek, Elizabeth Goldschmidt, Jeremey Young, Alexey Gorshkov, Steven Rolston, James V. Porto

Strong dipole-exchange interactions due to spontaneously produced contaminant states can trigger rapid dephasing in many-body Rydberg ensembles [E. Goldschmidt...

Valley blockade in a silicon double quantum dot

November 13, 2017

Author(s)

Justin K. Perron, Michael Gullans, Jacob Taylor, Michael Stewart, Neil M. Zimmerman

Electrical transport in double quantum dots (DQD) is useful for illuminating many interesting aspects of the carrier states in quantum dots. Here we show data...

Reference correlations for the thermal conductivity of copper, gallium, indium, iron, lead, nickel and tin

November 12, 2017

Author(s)

Marc J. Assael, Arsenios Chatzimichailidis, K.D. Antoniadis, William A. Wakeham, Marcia L. Huber, Hiroyuki Fukuyama

The available experimental data for the thermal conductivity of liquid copper, gallium, indium, iron, lead, nickel and tin have been critically examined with...

Position-dependent dynamics explain pore-averaged diffusion in strongly attractive adsorptive systems

November 10, 2017

Author(s)

William P. Krekelberg, Daniel W. Siderius, Vincent K. Shen, Thomas M. Truskett, Jeffrey R. Errington

Using molecular simulations, we investigate the relationship between pore-averaged and position-dependent self- diffusivity of fluids adsorbed in strongly...

Surface Modification of Cisplatin-Complexed Gold Nanoparticles and Its Influence on Colloidal Stability, Drug Loading, and Drug Release

November 10, 2017

Author(s)

Jiaojie Tan, Tae Joon Cho, De-Hao Tsai, Jingyu Liu, John M. Pettibone, Rian You, Michael R. Zachariah, Vincent A. Hackley

Cisplatin-complexed gold nanoparticles (PtII-AuNP) provide a promising strategy for chemo- radiation based anticancer drugs. Effective design of such platforms...

Development of a new UHV/XHV pressure standard (Cold Atom Vacuum Standard)

November 10, 2017

Author(s)

Julia Scherschligt, James A. Fedchak, Daniel Barker, Stephen Eckel, Nikolai Klimov, Constantinos Makrides, Eite Tiesinga

The National Institute of Standards and Technology has recently begun a program to develop a primary pressure standard that is based on ultra-cold atoms...

A Flexible Metal-Organic Framework with High Density of Sulfonic Acid Sites for Proton Conduction

November 10, 2017

Author(s)

Fan Yang, Gang Xu, Yibo Dou, Bin Wang, Heng Zhang, Hui Wu, Wei Zhou, Jian-Rong Li, Banglin Chen

The design of stable electrolyte materials of high proton conductivity for fuel cell is still a great challenge to date. Herein we report a chemically stable...

Structural "Δ Doping" to Control Local Magnetization in Isovalent Oxide Heterostructures

November 10, 2017

Author(s)

E. J. Moon, Q He, S. Ghosh, Brian Kirby, S. T. Pantelides, A. Y. Borisevich, S. J. May

Resonant X-ray Emission of Hexagonal Boron Nitride

November 9, 2017

Author(s)

John T. Vinson, Terrence J Jach, Matthias Mueller, Rainer Unterumsberger, Burkhard Beckhoff

The electronic structure of hexagonal boron nitride ({\it h}-BN) is explored using measurements of x-ray absorption and resonant inelastic x-ray scattering...

Towards reliable RRAM performance: macro- and microscopic analysis of operation processes

November 9, 2017

Author(s)

Gennadi Bersuker, Dmitry Veksler, David M. Nminibapiel, Pragya Shrestha, Jason Campbell, Jason Ryan, Helmut Baumgart, Maribeth Mason, Kin P. Cheung

Resistive RAM technology promises superior performance and scalability while employing well- developed fabrication processes. Conductance is strongly affected...

Gas Chromatographic Retention Behavior of Polycyclic Aromatic Hydrocarbons (PAHs) and Alkyl- Substituted PAHs on Two Stationary Phases of Different Selectivity

November 8, 2017

Author(s)

Federica Nalin, Lane C. Sander, Walter B. Wilson, Stephen A. Wise

Retention indices (RIs) for 45 polycyclic aromatic hydrocarbons (PAHs) and 63 methyl- substituted PAHs were determined by gas chromatography mass spectrometry...

Indentation mapping revealed poroelastic, but not viscoelastic,properties spanning native zonal articular cartilage

November 8, 2017

Author(s)

Joseph Wahlquist, Frank W. DelRio, Mark Randolph, Aaron Aziz, Chelsea Heveran, Stephanie Bryant, Corey P. Neu, Virginia L. Ferguson

Osteoarthrosis is a debilitating disease affecting millions, yet engineering materials for cartilage regeneration has proven difficult because of the complex...

Results of an International Comparison of Activity Measurements of 68Ge

November 7, 2017

Author(s)

Jeffrey T. Cessna, Ryan P. Fitzgerald, Brian E. Zimmerman, Lizbeth Laureano-Perez, Denis E. Bergeron

An international key comparison, identifier CCRI(II)-K2.Ge-68, has been performed. The National Institute of Standards and Technology (NIST) served as the pilot...

The power collection method for connection relations: Meixner polynomials

November 7, 2017

Author(s)

Howard Cohl, Michael Baeder, Roberto Costas-Santos, Wenqing Xu

We use and derive connection and connection-type relations for Meixner and Krawtchouk polynomials. These relations are used to derive generalizations of...

Aperiodic nanoplasmonic devices for directional colour filtering and sensing

November 7, 2017

Author(s)

Matthew S. Davis, Wenqi Zhu, Ting Xu, Jay K. Lee, Henri Lezec, Amit Agrawal

Flux-tunable phase shifter for microwaves

November 7, 2017

Author(s)

Roope J. Kokkoniemi, Tuomas Ollikainen, Sakari Saarenpaa, Janne Kokkala, Ceren Dag, Mikko Mottonen, Russell Lake

We introduce a magnetic-flux-tunable phase shifter for propagating microwave photons, based on three equidistant superconducting quantum interference devices...

Was this page helpful?