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Journals

Photonic Topological Anderson Insulators

August 22, 2018

Author(s)

Simon St?tzer, Yonatan Plotnik, Yaakov Lumer, Paraj T. Bhattacharjee, Netanel Lindner, Mordechai Segev, Mikael Rechtsman, Alexander Szameit

Quantifying Carboxylic Acid Concentration in Model Polyamide Desalination Membranes via Fourier Transform Infrared Spectroscopy

August 21, 2018

Author(s)

Tawanda J. Zimudzi, Kathleen E. Feldman, Michael A. Hickner, Christopher Stafford

Carboxylic acid groups impart hydrophilicity and ionizable groups to polyamide membranes for desalination, hence influencing water and ion transport through the...

Bubble-Point Measurements and Modeling of Binary Mixtures of Linear Siloxanes

August 20, 2018

Author(s)

Luuc Keulen, Elisabeth Mansfield, Ian Bell, Andrea Spinelli, A. Guardone

The bubble-point pressures of three binary mixtures of linear siloxanes have been mea4 sured. The binary mixtures consist of hexamethyldisiloxane (MM) which is...

Fe₂MnGe: A Hexagonal Heusler Analogue

August 20, 2018

Author(s)

S. Keshavarz, N. Naghibolashrafi, Michelle E. Jamer, K. Vinson, D. Mazumdar, Cindi L. Dennis, William D. Ratcliff, Julie Borchers, A. Gupta, P. LeClair

Fe 2MnGe is a potential half-metallic full-Heusler L2 1 ferromagnetic compound with large spin polarization (approximately equal}97%) useful for various...

Self-consistent modeling of anisotropic interfaces and missing orientations: Derivation from phase-field crystal

August 20, 2018

Author(s)

Nana Ofori Opoku, James A. Warren, P W. Voorhees

Highly anisotropic interfaces play an important role in the development of material microstructure. Using the diffusive atomistic phase-field crystal (PFC)...

Bottom-up Filling of Damascene Trenches with Gold in a Sulfite Electrolyte

August 19, 2018

Author(s)

Daniel Josell, Thomas P. Moffat

Superconformal Au deposition is demonstrated in a Na3Au(SO3)2 + Na2SO3 electrolyte including Bi3+. Micromolar additions of the Bi3+ to the electrolyte catalyze...

Real-Time Acoustic Emission Monitoring of Powder Mass Flow Rate for Direct Energy Deposition

August 18, 2018

Author(s)

Justin G. Whiting, Adam Springer, Federico Sciammarella

The material delivery rate in the direct energy deposition (DED) process must be monitored and controlled to ensure a reliable and repeatable additive...

Methane Storage in Paddlewheel-Based Porous Coordination Cages

August 18, 2018

Author(s)

Casey A. Rowland, Gregory R. Lorzing, Eric J. Gosselin, Benjamin Trump, Glenn P. A. Yap, Craig Brown, Eric D. Bloch

Although gas adsorption properties of extended three-dimensional metal-organic materials have been widely studied, they remain relatively unexplored in porous...

Residual Stress in Polycrystalline Alumina: Comparison of Two-Dimensional Maps and Integrated Scans in Fluorescence-Based Measurements

August 18, 2018

Author(s)

Chris A. Michaels, Robert F. Cook

The spatially heterogeneous residual stress fields in a series of three polycrystalline alumina materials are compared using two fluorescence-based measurement...

Photochemical Dynamics of a Trimethyl-Phosphine Derivatized [FeFe]-Hydrogenase Model Compound

August 17, 2018

Author(s)

Edwin J. Heilweil, Rachel L. Meyer, Tara M. Biser, Anet D. Zhandosova, Christopher J. Stromberg

Coupling photosensitizers with [FeFe]-hydrogenase model compounds can potentially create light- driven catalysts for production of hydrogen gas from acidic...

Cryogenic Primary Standard for Optical Fibre Power Measurement

August 17, 2018

Author(s)

Malcolm G. White, Zeus Ruiz, Christopher S. Yung, Igor Vayshenker, Nathan A. Tomlin, Michelle S. Stephens, John H. Lehman

NIST has completed commissioning a new, state-of-the-art cryogenic primary standard for optical fibre power measurement and calibration. It establishes for the...

Optical Properties of Meloxicam in the Far-Infrared Spectral Region

August 17, 2018

Author(s)

Yusuf S. Aytekin, Mustafa Koturk, Adam Zaczek, Timothy M. Korter, Edwin J. Heilweil, Okan Esenturk

One of the most commonly used nonsteroidal anti-inflammatory active pharmaceutical ingredient called Meloxicam has been characterized spectroscopically both by...

Influence of wind tunnel test duration on wind load factors

August 17, 2018

Author(s)

Dat Duthinh, Adam L. Pintar, Emil Simiu

A methodology is presented for calculating the uncertainty associated with the estimation of peak pressure coefficients from wind tunnel test records of various...

Readout architectures for superconducting nanowire single photon detectors

August 16, 2018

Author(s)

Adam N. McCaughan

Advances in the development of superconducting nanowire single photon detectors (SNSPD) have guaranteed that they remain a leading photon detection technology...

A Reference Material for Evaluation of Cs-137 Radiochronometric Measurements

August 16, 2018

Author(s)

Kevin B. Lavelle, Richard Essex, Jeffrey T. Cessna, Kevin P. Carney, Cole R. Hexel

A new nuclear forensic reference material has been characterized as a standard for radiochronometric determination of the model purification date for 137Cs...

Spinor Bose-Einstein condensate phase-sensitive amplifier for SU(1,1) interferometry

August 16, 2018

Author(s)

Jonathan Wrubel, Arne Schwettmann, Donald P. Fahey, Glassmann Zachary, Heywon Pechkis, Paul Griffin, Ryan Barnett, Eite Tiesinga

The SU(1,1) interferometer was originally conceived as a Mach-Zehnder interferometer with the beam-splitters replaced by parametric amplifiers. The parametric...

Initiation of flash boiling of multicomponent miscible mixtures with application to transportation fuels and their surrogates

August 16, 2018

Author(s)

Charles T. Avedisian, Kyle Skyllingstad1, Richard E. Cavicchi, Corinne Lippe, Michael J. Carrier

This paper presents methodologies to predict thermodynamic conditions that initiate flash boiling by spontaneous nucleation of liquids consisting of hundreds of...

Disentangling factors governing Dzyaloshinskii domain wall creep in Co/Ni thin films using Pt(x)Ir(1-x) seedlayers

August 16, 2018

Author(s)

Derek Lau, J.P. Pellegren, Hans Nembach, Justin Shaw, Vincent Sokalski

We characterize asymmetric growth of magnetic bubble domains in perpendicularly magnetized Co/Ni multi-layers grown on PtxIr1-x seedlayers by application of...

A theoretically based departure function for multi-fluid mixture models

August 15, 2018

Author(s)

Ian H. Bell, Andreas Jaeger, Cornelia Breitkopf

Multi-fluid models for highly accurate multiparameter equations of state have been applied very successfully in the past years in order to accurately model...

Nanoparticle Manufacturing - Heterogeneity through Processes to Products

August 15, 2018

Author(s)

Samuel M. Stavis, Jeffrey Fagan, Michael Stopa, James Alexander Liddle

Commercial products are now making use of the unique properties of nanoscale particles. However, common challenges of making nanoparticles into products still...

Spatial Dimensions in Atomic Force Microscopy: Instruments, Effects, and Measurements

August 15, 2018

Author(s)

Ronald G. Dixson, Ndubuisi G. Orji, Ichiko Misumi, Gaoliang Dai

Atomic force microscopes (AFMs) are commonly and broadly regarded as being capable of three dimensional imaging. However, conventional AFMs suffer from both...

Magnetic domain texture and the Dzyaloshinskii-Moriya interaction in systems with perpendicular exchange bias

August 15, 2018

Author(s)

Hans T. Nembach, Justin M. Shaw

Antiferromagnetic materials present us with rich and exciting physics, which we can exploit to open up new avenues in spintronic device applications. We explore...

Proteomic Analysis of Urine from California Sea Lions (Zalophus californianus): a Tool for Urinary Biomarker Discovery

August 15, 2018

Author(s)

Ben Neely, Katherine Prager, Alison Bland, Christine Fontaine, Frances Gulland, Michael G. Janech

Urinary markers for the assessment of kidney diseases in wild animals are limited, in part, due to the lack of urinary proteome data, especially for marine...

Chip Scale Atomic Devices

August 14, 2018

Author(s)

John E. Kitching

Chip-scale atomic devices combine elements of precision atomic spectroscopy, silicon micromachining and advanced diode laser technology to create compact, low...

Assessing Radiation Hardness of Silicon Photonic Sensors.

August 13, 2018

Author(s)

Zeeshan Ahmed, Lonnie T. Cumberland, Ronald E. Tosh, Nikolai N. Klimov, Ileana M. Pazos, Ryan P. Fitzgerald

In recent years silicon photonic platforms have undergone rapid maturation enabling not only optical communication but complex scientific experiments ranging...

Optical Knife-Edge Displacement Measurement with Sub-Picometer Resolution for RF-MEMS

August 13, 2018

Author(s)

Vikrant J. Gokhale, Jason J. Gorman

Optical knife-edge measurements can be used to quantify in-plane displacements of microstructures vibrating at high frequencies. This work presents an...

Single Cell Viability Measured by Scanning Electrochemical Microscopy and Live/Dead Staining*

August 12, 2018

Author(s)

Kavita M. Jeerage, Tammy L. Oreskovic, Nikki S. Rentz, Damian S. Lauria

Based on its standard reduction potential, ferriciniummethanol can act as an alternate electron acceptor to oxygen during cellular metabolism. By locally...

Changes in Crater Shape Caused by Low Angular Sputtered Flux during SIMS Argon Cluster Depth Profiling of Ultrathick Films

August 10, 2018

Author(s)

Shinichiro N. Muramoto, Cayla Collett

Argon cluster ions produce a low angular ejection of the sputtered flux, causing the crater bottom to shrink in size due to redeposition of the sputtered flux...

A Charge Integrator Amplifier and Trap Detector for pico-Joule Laser Pulse Energy Measurement

August 10, 2018

Author(s)

Malcolm G. White, David J. Livigni, Rodney W. Leonhardt, Geiland Porrovecchio, Marek Smid

We report the characterisation and calibration of a charge integrator amplifier, developed for pico-joule laser pulse energy measurement at repetition rates up...

Ba8Cu16As30: A cationic-framework clathrate-I arsenide

August 10, 2018

Author(s)

Kaya Wei, Artem R. Khabibullin, Dean Hobbis, Winnie Wong-Ng, Tieyan Chang, SuYin G. Wang, Igor Levin, Yu-Sheng Chen, Lilia M. Woods, George S. Nolas

Single crystals of clathrate-I Ba8Cu16As30 have been synthesized, and their structure and electronic properties deter-mined using synchrotron-based X-ray...

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