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

Horizontal Convective Boiling of R1234yf, R134a, and R450A within a Micro-Fin Tube

March 11, 2018

Author(s)

Mark A. Kedzierski, Donggyu Kang

Asymmetric and partial injection locking of a three-terminal spin-torque oscillator

March 9, 2018

Author(s)

Emilie M. Jue, Matthew R. Pufall, William H. Rippard

We measure the injection locking of a three-terminal spin-torque oscillator (STO) excited by a spin-orbit torque. The device consists of a magnetic tunnel...

Density and Viscosity Measurements of a 50/50 JP-10 + Terpene Mixture

March 9, 2018

Author(s)

Stephanie L. Outcalt, Tara J. Fortin

Densities of a 50/50 by volume mixture of JP-10 + a turpentine dimer fuel (TDF) have been measured in the compressed-liquid state from 270 K to 470 K, and 0.5...

Freeze-Thaw Crack Determination in Cementitious Materials Using 3D X-ray Computed Tomography and Acoustic Emission

March 8, 2018

Author(s)

Edward Garboczi, Jason Weiss, Yaghoob Farnam, Yasmina Shields

Cracking in concrete due to freeze-thaw cycles is known to damage the structural integrity of materials and provides venues for water and ionic species to...

Cooperative Vehicular Networking: A Survey

March 8, 2018

Author(s)

Hamid Gharavi

With the remarkable progress of cooperative communication technology in recent years, its transformation to vehicular networking is gaining momentum. Such a...

A Fast Recursive Algorithm For Spectrum Tracking in Power Grid Systems

March 8, 2018

Author(s)

Hamid Gharavi

A major challenge for future wide area measurement systems is how to efficiently monitor and control the power system, which requires accurate and real-time...

Approaches to the Optimal Nonlinear Analysis of Microcalorimeter Pulses

March 8, 2018

Author(s)

Joseph W. Fowler, Christine G. Pappas, Bradley K. Alpert, William B. Doriese, Galen C. O'Neil, Joel N. Ullom, Daniel S. Swetz

We consider how to analyze microcalorimeter pulses for quantities that are nonlinear in the data, while preserving the signal-to-noise advantages of linear...

Experimental scattering matrix for lunar regolith simulant JSC-1A at visible wavelengths

March 8, 2018

Author(s)

Edward J. Garboczi, Ann C. Chiaramonti Debay, Thomas V. Lafarge, O Munoz, J Escobar-Cerezo, D Guirado, JC Gomez-Martin, Jay Goguen, F Moreno

We present the experimental scattering matrix as a function of the scattering angle of the lunar soil simulant JSC-1A. The measurements were performed at 488 nm...

Grout-Concrete Interface Bond Performance: Effect of Interface Moisture on the Tensile Bond Strength and Grout Microstructure

March 8, 2018

Author(s)

Igor de la Varga, Jose Munoz, Dale P. Bentz, Paul E. Stutzman, Benjamin Graybeal

Bond between two cementitious materials is crucial in applications such as repairs, overlays, and connections of prefabricated bridge elements (PBEs), to name...

Millimeter-Wave Polarimeters Using Kinetic Inductance Detectors for TolTEC and Beyond

March 8, 2018

Author(s)

Jason Austermann, James A. Beall, Sean A. Bryan, Bradley Dober, Jiansong Gao, Gene C. Hilton, Johannes Hubmayr, Phillip Mauskopf, Christopher M. McKenney, S M. Simon, Joel Ullom, Michael Vissers, G W. Wilson

Microwave kinetic inductance detectors (MKIDs) provide a compelling path forward to the large-format polarimeter, imaging, and spectrometer arrays needed for...

Stabilized backward in time explicit marching schemes in the numerical computation of ill-posed time-reversed hyperbolic/parabolic systems

March 7, 2018

Author(s)

Alfred S. Carasso

This paper develops stabilized explicit marching difference schemes that can successfully solve a significant but {\em limited} class of multidimensional, ill...

Paper in electronic and optoelectronic devices

March 6, 2018

Author(s)

Dongheon Ha, Zhiqiang Fang, Nikolai B. Zhitenev

The demand for lightweight, cost-effective, and/or flexible electronic and optoelectronic devices drives research toward new materials advancing the desired...

The NISTmAb Tryptic Peptide Spectral Library for Monoclonal Antibody Characterization

March 6, 2018

Author(s)

Qian Dong, Yuxue Liang, Xinjian Yan, Sanford Markey, Yuri Mirokhin, Dmitrii V. Tchekhovskoi, Tallat H. Bukhari, Stephen E. Stein

We describe the creation of a mass spectral library composed of all identifiable spectra derived from the tryptic digest of a therapeutic monoclonal antibody...

Versatile silicon-waveguide supercontinuum for coherent mid-infrared spectroscopy

March 6, 2018

Author(s)

Nima Nader, Daniel Maser, Flavio Caldas da Cruz, Abijith S. Kowligy, Henry R. Timmers, Jeffrey T. Chiles, Connor D. Fredrick, Daron A. Westly, Richard P. Mirin, Jeffrey M. Shainline, Scott A. Diddams

Infrared spectroscopy is a powerful tool for basic and applied science. The rich spectral fingerprints of compounds in the 3 um - 20 um region provide a means...

Compressed-liquid Density Measurements of Four Polyol Ester-Based Lubricants

March 6, 2018

Author(s)

Stephanie L. Outcalt

A vibrating-tube densimeter has been used to measure compressed-liquid densities of the fluids pentaerythritol tetrapentanoate (PEC5), pentaerythritol...

Lane Marking Detection via Fast End-to-End Deep Convolutional Neural Network that is our Patch Proposal Network (PPN)

March 6, 2018

Author(s)

Yan Tiang, Judith R. Gelernter, Xun Wang, Weigang Chen, Junxiang Gao, Yujie Zhang, Xiaolan Li

Research on Region Convolution Neural Network (R-CNN) has recently witnessed progress in both accuracy and execution efficiency in detecting objects such as...

Performance and failure modes of Si anodes patterned with thin-film Ni catalyst islands for water oxidation

March 6, 2018

Author(s)

Ke Sun, Nicole L. Ritzert, Jimmy John, Haiyan Tan, William G. Hale, Jingjing Jiang, Kimberly M. Papadantonakis, Thomas P. Moffat, Bruce S. Brunschwig, Nathan S. Lewis

Silicon photoanodes patterned with Ni thin film catalyst islands exhibited stable oxygen evolution for over 240 h of continuous operation in 1.0 mol L-1 KOH(aq)...

A Simple Method for Short-Term Mechanical Reliability Predictions for Ceramics in Reactive Environments

March 5, 2018

Author(s)

Robert F. Cook

A method is demonstrated for prediction of ceramic reliability limited by fracture in reactive environments. The simplicity of the method relies on the ceramic...

Imaging catalytic CO2 reduction on Cu2O (110) -- A First-Principles study

March 5, 2018

Author(s)

Eric L. Shirley, John T. Vinson, Liang Li, Maria K. Chan, Jeffry Greeley, Jeffrey R. Guest, Rui Zhang

Balancing global energy needs against increasing greenhouse gas emissions requires new methods for efficient CO2 reduction. While photoreduction of CO2 is...

Relating the Electrical Resistance of Fresh Concrete to Mixture Proportions

March 5, 2018

Author(s)

K H. Obla, Rongjin Hong, Stuart Sherman, Dale P. Bentz, Scott Jones

Characterization of fresh concrete is critical for assuring the quality of our nation's constructed infrastructure. While fresh concrete arriving at a job site...

A Survey of the Advancing Use and Development of Machine Learning in Smart Manufacturing

March 5, 2018

Author(s)

Michael Sharp, Ronay Ak, Thomas D. Hedberg Jr.

Artificial intelligence (AI) and machine learning (ML) are gaining in popularity across entertainment, commerce, and increasingly in industrial settings. The...

Detection and Quantification of Graphene Family Nanomaterials in the Environment

March 5, 2018

Author(s)

David Goodwin, Adeyemi Adeyele, Li Piin Sung, Kay Ho, Robert Burgess, Elijah Petersen

An increase in production of commercial products containing graphene-family nanomaterials (GFNs) has led to concern over their release into the environment. The...

Intrinsic Orbital Angular Momentum States of Neutrons

March 2, 2018

Author(s)

Ronald L. Cappelletti, Terrence J Jach, John T. Vinson

A recent neutron interferometry experiment attempted to observe the orbital angular momentum (OAM) of neutron de Broglie waves of neutron de Broglie waves using...

NIST Standards for Measurement, Instrument Calibration, and Quantification of Gaseous Atmospheric Species

March 2, 2018

Author(s)

George C. Rhoderick, Michael E. Kelley, Walter R. Miller Jr., James E. Norris, Jennifer Carney, Lyn Gameson, Christina Cecelski, Cassie Goodman, Abneesh Srivastava, Joseph Hodges

There are many gas species present in the atmosphere that are associated with the earth's climate. These compounds absorb and emit radiation, a process which is...

Influence of Polymer and Ion Solvation on Conformational Properties of Flexible Polyelectrolytes

March 2, 2018

Author(s)

Alexandros Chremos, Jack F. Douglas

The study of the coupling between the conformational properties of a polyelectrolyte chain and the distribution of counter-ions surrounding the chain is...

Synthetic Antiferromagnetic Spintronics

March 2, 2018

Author(s)

Rembert Duine, Kyung Jin Lee, Stuart S. Parkin, Mark D. Stiles

Spintronic and nanomagnetic devices often derive their functionality from layers of different materials and the interfaces between them. This is especially true...

Design of angle-resolved illumination optics using nonimaging bi-telecentricity for 193 nm scatterfield microscopy

March 1, 2018

Author(s)

Martin Y. Sohn, Bryan M. Barnes, Richard M. Silver

Accurate optics-based dimensional measurements of features sized well-below the diffraction limit require a thorough understanding of the illumination within...

Vacuum Furnace for Degassing Stainless-Steel Vacuum Components

March 1, 2018

Author(s)

James A. Fedchak, Julia K. Scherschligt, Daniel S. Barker, Stephen P. Eckel, Alex P. Farrell, Makfir Sefa

Ultra-high vacuum systems must often be constructed of materials with ultra-low outgassing rates to achieve pressure of 10-6 Pa and below. In such a case, any...

Pressure reciprocity calibrations of laboratory standard microphones at the National Institute of Standards and Technology

March 1, 2018

Author(s)

Randall P. Wagner

Stepwise extraction, chemical modification, GCMS separation,and determination of amino acids in human plasma

March 1, 2018

Author(s)

Nino G. Todua, Johanna Camara, Jacolin A. Murray, Anzor I. Mikaia

A method for isolation of enriched fractions of amino acids from human plasma followed by derivatization, gas chromatography separation and mass spectrometry...

Was this page helpful?