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Journals

Chained Bell inequality experiment with high-efficiency measurements

March 28, 2017

Author(s)

Ting Rei Tan, Stephen D. Erickson, Peter L. Bierhorst, Daniel Kienzler, Scott C. Glancy, Emanuel H. Knill, Dietrich G. Leibfried, David J. Wineland, Yong Wan

We report correlation measurements on two 9Be+ ions that violate a chained Bell inequality obeyed by any local-realistic theory. The correlations can be modeled

Rapid determination of nanowire electrical properties using a dielectrophoresis-well based system

March 28, 2017

Author(s)

Sergiy Krylyuk, Albert Davydov, Marios Constantinou, Kai F. Hoettges, Grigorios P. Rigas, Vlad Stolojan, Maxim Shkunov

The use of high quality semiconducting nanomaterials for advanced device applications has been hampered by the unavoidable variability in the growth of one

Magnetic field imaging with microfabricated optically-pumped magnetometers

March 28, 2017

Author(s)

Orang Alem, Rahul Mhaskar, Ricardo Jimenez-Martinez, Dong Sheng, John LeBlanc, Lutz Trahms, Tilman Sander, Svenja A. Knappe

A multichannel imaging system is presented, consisting of 25 microfabricated optically-pumped magnetometers. The sensor probes have a footprint of less than 1

On the Structure and Dynamics of Water Associated with Single-Supported Zwitterionic and Anionic Membranes

March 28, 2017

Author(s)

A. Miskowiec, Z. N. Buck, F. Y. Hansen, H. Kaiser, H. Taub, Madhu Sudan Tyagi, S. O. Diallo, Eugene Mamontov, K. W. Herwig

We have used high-resolution quasielastic neutron scattering (QENS) to investigate the dynamics of water molecules (time scale of motion 10 u-11-10 -9 s) in

Evaluating Droplet Digital PCR for the quantification of human genomic DNA: Lifting the Traceability Fog

March 28, 2017

Author(s)

David L. Duewer, Margaret C. Kline

Digital polymerase chain reaction (dPCR) endpoint platforms directly estimate the number of DNA target copies per reac-tion container, λ, where the containers

Label-free hyperspectral dark-field microscopy towards quantitative scatter imaging

March 27, 2017

Author(s)

Philip Cheney, David McClatchy III, Stephen Kanick, Paul Lemaillet, David W. Allen, Daniel Samarov, Brian Pogue, Jeeseong C. Hwang

A hyperspectral dark-field microscopy technique has been developed for imaging spatially distributed diffuse reflectance spectra from light-scattering samples

Polydimethylsiloxane tissue-mimicking phantoms for quantitative optical medical imaging standards

March 24, 2017

Author(s)

Jeeseong Hwang, Hyun J. Kim, Paul Lemaillet, Dirk Grosenick, Thomas Gladytz, David McClatchy III, Kimberly A. Briggman, Brian Pogue

We report on a procedure to build and characterize solid tissue-mimicking phantoms of polydimethylsiloxane (PDMS) polymers. Controlled inclusion of light

Evaluation of Structural Robustness against Column Loss: Methodology and Application to RC Frame Buildings

March 24, 2017

Author(s)

Yihai Bao, Joseph Main, Sam-Young Noh

A computational methodology is presented for evaluating structural robustness against column loss. The methodology is illustrated through application to

Beating Darwin-Bragg losses in lab-based ultrafast x-ray experiments

March 24, 2017

Author(s)

Wilfred Fullagar, Jens Uhlig, Ujjwal Mandal, Dharma Kurunthu, Amal El Nahhas, Hideyuki Tatsuno, Alireza Honarfar, Fredrik Gustafsson, Villy Sundstrom, Mikko Palosaari, Luis Miaja Avila, Young I. Joe, Daniel Swetz, Joel Ullom

The use of low temperature thermal detectors for avoiding Darwin-Bragg losses in lab-based ultrafast experiments has begun. An outline of the background of this

Particle Localization and Hyperuniformity of Polymer-Grafted Nanoparticle Materials

March 23, 2017

Author(s)

Alexandros Chremos, Jack F. Douglas

The properties of materials largely reflect the degree and character of the localization of the molecules comprising them so the study and characterization of

A compact, thermal noise limited reference cavity for ultra-low noise microwave generation

March 23, 2017

Author(s)

Josue Davila-Rodriguez, Frederick N. Baynes, Andrew D. Ludlow, Tara M. Fortier, Holly F. Leopardi, Scott A. Diddams, Franklyn J. Quinlan

A 25 mm long, rigidly-held, ultra-stable optical frequency reference cavity is demonstrated. The cavity spacer has an easy-to-manufacture cylindrical shape

Superconducting Optoelectronic Circuits for Neuromorphic Computing

March 23, 2017

Author(s)

Jeffrey M. Shainline, Sonia M. Buckley, Richard P. Mirin, Sae Woo Nam

We propose a hybrid semiconductor-superconductor hardware platform for the implementation of neural networks and large-scale neuromorphic computing. The

Reduced Bimolecular Recombination in Blade-Coated, High-Efficiency, Small-Molecule Solar Cells

March 22, 2017

Author(s)

Sebastian Engmann, Hyun W. Ro, Andrew A. Herzing, Dean M. DeLongchamp, Chad R. Snyder, Lee J. Richter, Adam J. Barito, David J. Gundlach

The full benefit of emerging solution deposited photovoltaic devices requires development of processes compatible with high speed manufacturing. Extensive

Steady-state spin synchronization through the collective motion of trapped ions

March 22, 2017

Author(s)

Athreya Shankar, John Cooper, Justin G. Bohnet, Murray Holland, John Bollinger

Ultranarrow-linewidth atoms coupled to a lossy optical cavity mode synchronize, i.e. develop correlations, and exhibit steady-state superradiance when

Model (At Least) Twice, Build Once: Experiences with the Design-Bid-Build Process for Solar Photovoltaic Arrays

March 21, 2017

Author(s)

Brian P. Dougherty, Matthew Boyd

Commercial-size solar photovoltaic arrays were designed, constructed and are now operational on the Gaithersburg, Maryland campus of the National Institute of

High-Speed Monitoring of Multiple Grid-Connected Photovoltaic Array Configurations and Supplementary Weather Station

March 21, 2017

Author(s)

Matthew Boyd

Three grid-connected monocrystalline silicon photovoltaic arrays have been instrumented with research-grade sensors on the Gaithersburg, Maryland campus of the

Distribution Map of Gadolinium Deposition within the Cerebellum Following Gadolinium-based Contrast Agent Administration

March 21, 2017

Author(s)

William C. Davis, Donna R. Roberts, Cynthia T. Welsh, David LeBel

N/A

Selection of spectral distortion models for electronic measurement of the Boltzmann constant

March 21, 2017

Author(s)

Kevin J. Coakley, Jifeng Qu

In the electronic measurement of the Boltzmann constant based on Johnson noise thermometry, the ratio of the power spectral densitiesof thermal noise across a

Chiral magnetoresistance in Pt/Co/Pt zigzag wires

March 20, 2017

Author(s)

Kyoung-Whan Kim, Yuxiang Yin, Dong-Soo Han, June-Seo Kim, Lavrijsen Reinoud, Kyung-Jin Lee, Seo--Won Lee, Hyun-Woo Lee, Henk Swagten, Bert Koopmans

The Rashba effect leads to a chiral rotation of conduction spins while the Dzyaloshinskii-Moriya interaction (DMI) fixes the chirality of the profile of local

Structural Polymorphism in "Kesterite" Cu₂ZnSnS₄: Raman Spectroscopy and First-principles Calculations Analysis

March 20, 2017

Author(s)

Mirjana NMN Dimitrievska, Federica Boero, Alexander P. Litvinchuk, Simona Delsante, Gabriella Borzone, Alejandro Perez-Rodriguez, Victor Izquierdo-Roca

This work presents a comprehensive analysis of the structural and vibrational properties of the kesterite Cu 2ZnSnS 4 (CZTS, I-4 space group) as well as its

Interfacial damage sensing and cure monitoring in a silk-epoxy composite using a mechanochromic probe

March 19, 2017

Author(s)

Jeremiah W. Woodcock, Ryan Beams, Chelsea S. Davis, Stephan J. Stranick, Darshil U. Shah, Fritz Vollrath, Jeffrey W. Gilman

Person recognition: Qualitative differences in how forensic face examiners and untrained people rely on the face versus the body for identification

March 18, 2017

Author(s)

P. Jonathon Phillips, Amy Yates, Ying Hu, Kelsey Jackson, David White, Alice J. O'Toole

Efficient Simulation of Secondary Fluorescence via NIST DTSA-II Monte Carlo

March 17, 2017

Author(s)

Nicholas Ritchie

Secondary fluorescence, the final term in the familiar matrix correction triumvirate Z·A·F, is the most challenging for Monte Carlo models to simulate. In fact

Simulated photoelectron intensities at the aqueous solution−air interface for flat and cylindrical (microjet) geometries

March 17, 2017

Author(s)

Cedric J. Powell, Giorgia Olivieri, Krista Parry, D. J. Tobias, Matthew Brown

Ion spatial distributions at the water-air/vacuum interface are accessible by energy-dependent X-ray photoelectron spectroscopy (XPS). Here we quantify the

Life Time Dosimetric Assessment for Mice and Rats Exposed to Cell Phone Radiation in Reverberation Chambers

March 17, 2017

Author(s)

Perry F. Wilson, John M. Ladbury, Galen H. Koepke, Yijian Gong, Myles Capstick, Keven Kuhn, David L. McCormick, Ronald L. Melnick, Niels Kuster

In this paper, we present a detailed life time dosimetry analysis for individually housed rodents exposed to radio frequency (RF) signals. The unrestrained

A Radio Frequency Radiation Reverberation Chamber Exposure System for Rodents

March 17, 2017

Author(s)

Perry F. Wilson, John M. Ladbury, Galen H. Koepke, Capstick Myles, Niels Kuster, Sven Kuhn, Veronica Berdinas-Torres, Yijian Gong, David McCormick, James Gauger, Ronald Melnick

In this paper we present the novel design features, their technical implementation, and an evaluation of the radio frequency (RF) exposure systems developed for

Fourier transform spectroscopy of a spin-orbit coupled Bose gas

March 16, 2017

Author(s)

Ian B. Spielman, Erin Marshall, Dimitry Trypogeorgos, Ana Vald�Curiel

We describe a Fourier transform spectroscopy technique for directly measuring band structures, and apply it to a spin-1 spin-orbit coupled Bose-Einstein

Principles and Recommendations for Standardizing the Use of the Next Generation Sequencing Variant File in Clinical Settings

March 16, 2017

Author(s)

Justin M. Zook, Ira Lubin, Lisa V. Kalman

A national workgroup convened by the Centers for Disease Control and Prevention identified principles and made recommendations for standardizing the description

29Si NMR and SAXS investigation of the hybrid organic-inorganic glasses obtained by consolidation of the melting gels

March 15, 2017

Author(s)

Andrei Jitianu, Sylvian Cadars, Fan Zhang, Gabriela Rodriguez, Quentin Picard, Mario Aparicio, Jadra Mosa, Lisa C. Klein

This study is focused on structural characterization of hybrid glasses obtained by consolidation of melting gels. The melting gels were prepared in molar ratios

Materials Knowledge Systems in Python - A Data Science Framework for Accelerated Development of Hierarchical Materials

March 15, 2017

Author(s)

David Brough, Daniel Wheeler, Surya R. Kalidindi

There is a critical need for customized analytics that take into account the stochastic nature of materials internal structure at multiple length scales in

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