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Journals

Determining Flow Resistance through Vegetation Canopy

May 2, 2020

Author(s)

Ryan L. Falkenstein-Smith, Kevin B. McGrattan

This study documents the measurement of the wind resistance of different types of vegetation. The measurements are made in a wind tunnel with a 2.0 m test

Reporting requirements to increase the reproducibility and comparability of research on microplastics

May 2, 2020

Author(s)

Jennifer Lynch

The ubiquitous pollution of the environment with microplastics (a diverse suite of contaminants) is of growing concern for modern environmental science and

Low-loss, high-bandwidth fiber-to-chip coupling using capped adiabatic tapered fibers

May 1, 2020

Author(s)

Saeed Khan, Jeff Shainline, Richard Mirin, Sae Woo Nam, Sonia Buckley, Jeff Chiles

We demonstrate adiabatically tapered fibers terminating in sub-micron tips that are clad with a higher-index material for coupling to an on-chip waveguide. This

All-fiber frequency comb at 2 µm providing 1.4-cycle pulses

May 1, 2020

Author(s)

Sida Xing, Abijith S. Kowligy, Daniel Lesko, Alexander Lind, Scott Diddams

We report an all-fiber approach to generating sub-2-cycle pulses at 2 µm and a corresponding octave-spanning optical frequency comb. Our configuration

Accurate Integral Counting Using Multi-channel Analyzers

May 1, 2020

Author(s)

Ryan P. Fitzgerald, Lynne E. King

Many techniques in radionuclide metrology rely on accurate measurement of the total count rate, that is integral counting, from a detector. In modern

ERRATUM: UPDATE OF NIST HALF-LIFE RESULTS CORRECTED FOR IONIZATION CHAMBER SOURCE-HOLDER INSTABILITY

May 1, 2020

Author(s)

Ryan P. Fitzgerald, Michael P. Unterweger

Reinforcement Learning-Based Control and Networking Co-design for Industrial Internet of Things

May 1, 2020

Author(s)

Hansong Xu, Xing Liu, Wei Yu, David W. Griffith, Nada T. Golmie

Industrial Internet-of-Things (I-IoT), also known as Industry 4.0, is the integration of Internet of Things (IoT) technology into the industrial manufacturing

Three-Dimensional Magnetism and the Dzyaloshinskii-Moriya Interaction in S=3/2 Kagome Staircase Co₃V₂O₈

May 1, 2020

Author(s)

Joel Helton, Nicholas P. Butch, Daniel M. Pajerowski, Sergei N. Barilo, Jeffrey W. Lynn

Time-of-flight neutron spectroscopy reveals spin waves in the ferromagnetic ground state of the kagome staircase material Co 32V 2O 8. While previous work has

Field Research to Application: A study of human response to the May 22, 2011, Joplin tornado and its impact on alerts and warnings in the U.S.

April 30, 2020

Author(s)

Erica D. Kuligowski

A tornado occurred on May 22, 2011in the populated area of Joplin, Missouri that caused 161 fatalities, the most caused by a single tornado since the NWS

Charge Carrier Transport with Low-Temperature Anomalies in Engineered 4d5 Oxide Superlattices of (Sr₂IrO₄)₄/(Sr₃Ru₂O₂₇)_N

April 30, 2020

Author(s)

Hui Xu, Alexander Grutter, Zhangzhang Cui, Zhicheng Wang, Xiaofang Zhai, Yalin Lu

We report tunable conduction behavior of a series of (Sr 2IrO 4) 4/(Sr 3Ru 2O 27) N (N=1, 2, 4) atomic layer superlattices, in which itinerant electron

Single-Photon Sources: Approaching the Ideal through Multiplexing

April 30, 2020

Author(s)

Alan L. Migdall, Evan Meyer-Scott, Christine Silberhorn

We review the rapid recent progress in single-photon sources based on multiplexing multiple probabilistic photon-creation events. Such multiplexing allows

Sparse estimation of mutual information landscapes quantifies information transmission through cellular biochemical reaction networks

April 30, 2020

Author(s)

Swarnavo Sarkar, Drew S. Tack, David Ross

Measuring information transmission from stimulus to response is useful for evaluating the signaling fidelity of biochemical reaction networks (BRNs) in cells

Basic Metrology for 2020

April 30, 2020

Author(s)

Stephan Schlamminger, Richard Davis

2019 was a big year for Metrology. The international system of units was revised on World Metrology Day, May 20th, that year [1]. What will 2020 bring? In this

Laser-free trapped-ion entangling gates with simultaneous insensitivity to qubit and motional decoherence

April 29, 2020

Author(s)

R. T. Sutherland, Raghavendra Srinivas, Shaun C. Burd, Hannah Knaack, Andrew C. Wilson, David J. Wineland, Dietrich Leibfried, David T. Allcock, Daniel Slichter, S. B. Libby

The dominant error sources for state-of-the-art implementations of laser-free trapped-ion entangling gates are decoherence of the qubit state and motion. The

Wavelength transduction from a 3D microwave cavity to telecom using piezoelectric optomechanical crystals

April 29, 2020

Author(s)

Hugh Ramp, T.J. Clark, Brett Hauer, Caleb Doolin, Krishna Coimbatore Balram, Kartik Srinivasan, John Davis

Ion transport across solid-state ion channels perturbed by directed strain

April 28, 2020

Author(s)

Alexander Smolyanitsky, Alta Y. Fang, Andrei Kazakov, Eugene Paulechka

We combine quantum-chemical calculations and molecular dynamics simulations to consider aqueous ion flow across non-axisymmetric nanopores in monolayer graphene

Enhanced magnetization in proton irradiated Mn3Si2Te6 van der Waals crystals

April 28, 2020

Author(s)

L. M. Martinez, H. Iturriaga, R. Olmos, L. Shao, Y. Liu, Thuc Mai, C. Petrovic, Angela R. Hight Walker, S. R. Singamaneni

van der Waals (vdW) engineering of magnetism is a topic of increasing research interest in the community at present. We study the magnetic properties of quasi

Optimization of the Pore Structures of MOFs for Record High Hydrogen Volumetric Working Capacity

April 28, 2020

Author(s)

Xin Zhang, Rui-Biao Lin, Jing Wang, Bin Wang, Bin Liang, Taner N. Yildirim, Jian Zhang, Wei Zhou, Banglin Chen

Metal-organic frameworks are promising materials for onboard hydrogen storage thanks to the tunable pore size, pore volume, and pore geometry. In consideration

Frequency stability of the mode spectrum of broad bandwidth Fabry-Pérot interferometers

April 27, 2020

Author(s)

Jeffrey M. Jennings, Ryan C. Terrien, Connor Fredrick, Michael Grisham, Mark Notcutt, Samuel Halverson, Suvrath Mahadevan, Scott Diddams

When illuminated by a white light source, the discrete resonances of a Fabry- Perot interferometer (FP) provide a broad bandwidth, comb-like spectrum useful for

Index of refraction of germanium

April 27, 2020

Author(s)

John H. Burnett, Eric C. Benck, Simon G. Kaplan, Erik Stover, Adam Phenis

Measurements of the index of refraction of a sample of high-quality, single-crystal germanium using the minimum deviation refractometry method are presented for

Crystallography and properties of metal organic framework (MOF) compounds (Special sections)

April 27, 2020

Author(s)

Winnie K. Wong-Ng, Craig M. Brown

Metal Organic Frameworks (MOFs) are known for their wide range of potential applications, including gas sorption, gas storage, gas separation, catalysis

Quantum computation toolbox for decoherence-free qubits using multi-band alkali atoms

April 27, 2020

Author(s)

Mikhail Mamaev, Joseph H. Thywissen, Ana Maria Rey

Effect of a Post-Translational Modification Mimic on Protein Translocation through a Nanopore

April 27, 2020

Author(s)

David P. Hoogerheide, Philip A. Gurnev, Tatiana K. Rostovtseva, Sergey M. Bezrukov

Post-translational modifications (PTMs) of proteins are recognized as crucial components of cell signaling pathways through modulating folding, altering

Uncertainty analysis of adsorption measurements using commercial gravimetric sorption analyzers with simultaneous density measurement based on a magnetic-suspension balance

April 27, 2020

Author(s)

Xiaoxian Yang, Reiner Kleinrahm, Mark O. McLinden, Markus Richter

A commercial gravimetric sorption analyzer, which is based on a magnetic-suspension balance, was significantly improved to reduce the uncertainty in adsorption

In Situ Neutron Scattering of Antibody Adsorption during Protein A Chromatography

April 26, 2020

Author(s)

Maria Papachristodoulou, James Doutch, Hoi Sang Beatrice Leung, Andy Church, Thomas Charleston, Luke A. Clifton, Paul Butler, Christopher J. Roberts, Daniel G. Bracewell

A deeper understanding of the nano and mesoscale structure of chromatographic adsorbents and the distribution of proteins within the media, is critical to a

The Chemical Structure of a 30 cm Methanol Pool Fire

April 25, 2020

Author(s)

Ryan Falkenstein-Smith, Kunhyuk Sung, Jian Chen, Anthony Hamins

This study documents a series of time-averaged gas species measurements made along the centerline of a 30 cm methanol pool fires steadily burning in a quiescent

Predictive relation for the -relaxation time of a coarse-grained polymer melt under steady shear

April 24, 2020

Author(s)

Jack F. Douglas, Andrea Giuntoli, Francesco Puosi, Dino Leporini, Francis W. Starr

We examine the influence of steady shear on structural relaxation in a model coarse-grained unentagled polymer melt over a wide range of temperature and shear

The electrochemical interface in first-principles calculations

April 24, 2020

Author(s)

Kathleen A. Schwarz, Ravishankar Sundararaman

FROM SCAN STRATEGY TO MELT POOL PREDICTION: A NEIGHBORING-EFFECT MODELING METHOD

April 23, 2020

Author(s)

Zhuo Yang, Yan Lu, Ho Yeung, Sundar Krishnamurty

The quality of AM built parts is highly correlated to the melt pool characteristics. Hence melt pool monitoring and control can potentially improve AM part

Near-Infrared Fluorescence as a Method for Determining Single-Wall Carbon Nanotube Extraction Conditions in Aqueous Two Polymer Phase Extraction

April 22, 2020

Author(s)

Christopher Sims, Jeffrey Fagan

Near-infrared fluorescence emission from single-wall carbon nanotubes (SWCNTs) is demonstrated as a measurement technique enabling the determination of aqueous

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