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Journals

Electromagnetically induced transparency in vacuum and buffer gas potassium cells probed via electro-optic frequency combs

October 24, 2017

Author(s)

David A. Long, Adam J. Fleisher, David F. Plusquellic, Joseph T. Hodges

Electromagnetically induced transparency (EIT) in 39K and 41K was probed using electro-optic frequency combs generated by applying chirped waveforms to a phase...

Co-adsorption of cations causes the apparent pH dependence of hydrogen adsorption on a stepped platinum single-crystal electrode

October 23, 2017

Author(s)

Xiaoting Chen, Ian McCrum, Kathleen Schwarz, Michael Janik, Marc Koper

The successful deployment of advanced energy-conversion systems depends critically on our understanding of the fundamental interactions of the key intermediates...

High temperature constitutive response of a Ti-6Al-4V alloy under rapid heating and dynamic loading

October 22, 2017

Author(s)

Sindhura Gangireddy, Steven Mates

The dynamic compression behavior of a commercial Ti-6Al-4V alloy is measured between room temperature and beyond the β-transus temperature with high thermal...

Communication: Master equations for electron transport: The limits of the Markovian limit

October 19, 2017

Author(s)

Justin E. Elenewski, Daniel S. Gruss, Michael P. Zwolak

Master equations are an increasingly popular framework for the simulation of (time--dependent) electronic transport in nanoscale devices. Most of these...

Evaluating the Effects of Modeling Errors for Isolated Finite 3-D Targets

October 19, 2017

Author(s)

Mark Alexander Henn, Bryan M. Barnes, Hui Zhou

Optical 3-D nanostructure metrology utilizes a model-based metrology approach to determine critical dimensions (CDs) that are well below the inspection...

Two determinations of the Ge-68 half-life

October 19, 2017

Author(s)

Denis E. Bergeron, Jeffrey T. Cessna, Brian E. Zimmerman

In nuclear medicine, 68Ge is used to generate 68Ga for imaging by positron emission tomography (PET) and sealed sources containing 68Ge/68Ga in equilibrium have...

UV superconducting nanowire single-photondetectors with high efficiency, low noise, and4 K operating temperature

October 18, 2017

Author(s)

Varun Verma, Adriana Lita, Richard Mirin, Sae Woo Nam, Emma Wollman, Andrew Beyer, Ryan Briggs, Francesco Marsili, Jason Allmaras, Matthew Shaw

For photon-counting applications at ultraviolet wavelengths, there are currently nodetectors that combine high efficiency (> 50%), sub-nanosecond timing...

Algorithm for rapid determination of optical scattering parameters

October 18, 2017

Author(s)

Zachary H. Levine, Adam L. Pintar, Richelle H. Streater, Anne-Michelle R. Lieberson, Catherine C. Cooksey, Paul Lemaillet

Preliminary experiments at the NIST Spectral Tri-function Automated Reference Reflectometer (STARR) facility have been conducted with the goal of providing the...

Algorithms for the calculation of psychrometric properties from multi-fluid Helmholtz-energy- explicit models

October 18, 2017

Author(s)

Ian H. Bell, Eric W. Lemmon, Allan H. Harvey

Psychrometric properties of humid air are widely used in the analysis and modeling of thermal systems. In this work, we present a method for obtaining these...

Growth-Induced In-Plane Uniaxial Anisotropy V₂O₃/Ni Films

October 18, 2017

Author(s)

Dustin Allen Gilbert, Juan Gabriel Ramirez, T. Saerbeck, J. Trastoy, Ivan K. Schuller, Kai Liu, J. de la Venta

We report a microstructure-induced uniaxial anisotropy in V 2O 3/Ni hybrid thin films obtained from temperature and angular dependence of the magnetization. X...

Architecture for software-assisted quantity calculus

October 18, 2017

Author(s)

David W. Flater

JDFTx: software for joint density-functional theory

October 18, 2017

Author(s)

Ravishankar Sundararaman, Kendra Letchworth-Weaver, Kathleen Schwarz, Deniz Gunceler, Akif Ozhabes, Tomas Arias

Density-functional theory (DFT) has revolutionized computational prediction of atomic-scale properties from first prin- ciples in physics, chemistry and...

JY1 Time Scale: a New Kalman-Filter Time Scale Designed at NIST

October 17, 2017

Author(s)

Jian Yao, Thomas E. Parker, Judah Levine

We report on a new Kalman-filter Hydrogen-maser time scale (i.e., JY1 time scale) designed at NIST. The JY1 time scale is composed of a few Hydrogen masers and...

Knot Energy, Complexity, and Mobility of Knotted Polymers

October 17, 2017

Author(s)

Luis F. Vargas Lara, Ahmed M. Hassan, Marc A. Mansfield, Jack F. Douglas

The Newtonian capacity C of an object is defined by the equilibrium energy, EN =1/C, of a charge distribution on a conductive object and provides a classical...

Effect of UV Radiation on Surface Mechanical Properties of NanoTiO2-Acrylic Urethane Composites

October 17, 2017

Author(s)

Pu-Jui Su, Bernard Haochih Liu, Stephanie Watson, Li Piin Sung

Nanoindentation was used to monitor the changes in surface mechanical property of nano-titanium dioxide (nanoTiO2)/acrylic urethane (AU) composites exposed to...

An integrated and automated calibration system for pneumatic piston gauges

October 17, 2017

Author(s)

Yuanchao Yang, Robert G. Driver, John S. Quintavalle, Julia Scherschligt, Katie M. Schlatter, Jacob Edmond Ricker, Gregory F. Strouse, Douglas A. Olson, Jay H. Hendricks

Recently, a transducer-aided crossfloat (TAC) method for pneumatic piston gauges was proposed. The concept is to use a pressure transducer as a very short-term...

Electrochemical capacitance of CO-terminated Pt(111) is dominated by CO-solvent gap

October 17, 2017

Author(s)

Ravishankar Sundararaman, Marta C. Figueiredo, Marc Koper, Kathleen Schwarz

The distribution of electric fields within the electrochemical double layer depends on both the electrode and electrolyte in complex ways. These fields strongly...

NOVEL ZIRCONIA MATERIALS IN DENTISTRY

October 16, 2017

Author(s)

Yu Zhang, Brian R. Lawn

Zirconias, the most durable of the dental ceramics, are increasingly being fabricated in monolithic form for a range of clinical applications, circumventing...

Closure to "Component-Based Model for Single-Plate Shear Connections with Pretension and Pinched Hysteresis"

October 16, 2017

Author(s)

Jonathan M. Weigand

Polarized optical scattering by inhomogeneities and surface roughness in an anisotropic thin film

October 16, 2017

Author(s)

Thomas A. Germer, Katelynn A. Sharma, Thomas G. Brown, James B. Oliver

We extend the theory of Kassam et al. [J. Opt. Soc. Am. A 12, 2009-2021 (1995)] for scattering by oblique columnar structure thin films to include the induced...

M/P Ratio Method Simplified Field Measurement Method for CIE Mesopic Photometry System

October 16, 2017

Author(s)

Yoshihiro Ohno, Tatsukiyo Uchida

For the implementation of the mesopic photometry system in CIE 191:2010 to outdoor lighting, two simplified methods to measure the mesopic luminance in fields...

An Overview of Activities at NIST Towards the Proposed ASTM E57 3D Imaging System Point-to-Point Distance Standard

October 16, 2017

Author(s)

Prem K. Rachakonda, Balasubramanian Muralikrishnan, Katharine M. Shilling, Geraldine S. Cheok, Daniel S. Sawyer

The Dimensional Metrology Group (DMG) at the National Institute of Standards & Technology (NIST), along with various other organizations has been involved in...

Thickness-dependent structural relaxation in ultrathin glassy polymer films probed by wrinkling dynamics

October 16, 2017

Author(s)

Jun Y. Chung, Jack F. Douglas, Doyoung Moon, Christopher Stafford

The measurement of the Young's modulus and stress relaxation in ultrathin films is a notoriously difficult problem. Recent work has shown that the high...

Self-Compacting Concretes Using Fly Ash and Fine Limestone Powder: Shrinkage and Surface Electrical Resistivity of Equivalent Mortars

Author(s)

Alejandro Duran-Herrera, Juan De-Leon-Esquival, Dale P. Bentz, P Valdez

Self-compacting concrete (SCC) has become a technological preferred option for many projects that should satisfy strict fresh stage properties that are of major...

Communication: Relaxation-limited electronic currents in extended reservoir simulations

October 13, 2017

Author(s)

Daniel S. Gruss, Alexander Y. Smolyanitsky, Michael P. Zwolak

Open system approaches are gaining traction in the simulation of charge transport in nanoscale and molecular electronic devices. In particular, "extended...

Observation of spin-orbit effects with spin rotation symmetry

October 13, 2017

Author(s)

Alisha Humphries, Tao Wang, Eric R. Edwards, Shane Allen, Justin Shaw, Hans Nembach, John Xiao, Thomas J. Silva

The spin-orbit interaction in a nonmagnetic/magnetic multilayer has been intensively studied due to its efficient conversion between a spin current and a charge...

Heterogeneous integration for on-chip quantum photonic circuits with single quantum dot devices

October 12, 2017

Author(s)

Marcelo I. Davanco, Liu Jin, Luca Sapienza, Chen-Zhao Zhang, Jose Vinicius De Miranda Cardoso, Varun B. Verma, Richard P. Mirin, Sae Woo Nam, Liu Liu, Kartik A. Srinivasan

Photonic integration is establishing itself as an enabling technology for photonic quantum science, offering considerably greater scalability, stability, and...

Dynamic Network Model for Smart City Data-Loss Resilience Case Study: City-to-City Network for Crime Analytics

October 12, 2017

Author(s)

Olivera Kotevska, Aaron Gilad Kusne, Daniel Samarov, Ahmed Lbath, Abdella Battou

Today's cities generate tremendous amounts of data thanks to a boom in affordable smart devices and sensors. The resulting big data creates opportunities to...

Detailed Energy Model of the NIST Net-Zero Energy Residential Test Facility: Development, Modification, and Validation

October 12, 2017

Author(s)

Elizabeth C. Balke, G. F. Nellis, S. A. Klein, Harrison Skye, Tania Ullah

The NIST Net-Zero Energy Residential Test Facility (NZERTF) is a highly instrumented, highly configurable, single-family, net-zero energy house occupied by a...

A Multistate Single-Connection Calibration for Microwave-Microfluidics

October 12, 2017

Author(s)

Xiao Ma, Charles A. Little, Chris Long, Jordi Mateu, James Booth, James Hwang, Nate Orloff

With emerging medical, chemical, and biological applications of microwave-microfluidic devices, many researchers desire a fast, accurate calibration that can be...

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