Journals

Intertwined Density Waves in a Metallic Nickelate

November 26, 2020

Author(s)

Junjie Zhang, D. Phelan, A. S. Botana, Yu-Sheng Chen, Hong Zheng, M. Krogstad, Suyin G. Wang, Yiming Qiu, Jose Rodriguez Rivera, R. Osborn, S. Rosenkranz, M. R. Norman, J. F. Mitchell

Nickelates are a rich class of materials, ranging from insulating magnets to superconductors. But for stoichiometric materials, insulating behavior is the norm...

Boosting Membrane Hydration for High Current Densities in Membrane Electrode Assembly CO2 Electrolysis

November 25, 2020

Author(s)

Hisan W. Shafaque, ChungHyuk Lee, Kieran F. Fahy, Jason K. Lee, Jacob LaManna, Eli Baltic, Daniel S. Hussey, David L. Jacobson, Aimy Bazylak

Despite the advantages of CO2 electrolyzers, efficiency losses due to mass and ionic transport across the membrane electrode assembly (MEA) are critical...

Materials Combining Asymmetric Pore Structures with Well-Defined Mesoporosity for Energy Storage and Conversion

November 25, 2020

Author(s)

Sarah Hesse, Kevin Fritz, Peter A. Beaucage, R. Paxton Thedford, Fei Yu, Francis Disalvo, Jin Suntivich, Ulrich Wiesner

Porous materials design often faces a trade-off between the requirements of high internal surface area and high reagent flux. Inorganic materials with...

Staggered spin Hall conductivity

November 25, 2020

Author(s)

Fei Xue, Paul M. Haney

The intrinsic spin Hall effect plays an important role in spintronics applications, such as spin-orbit torque-based memory. The bulk space group symmetry...

Study of the Reactions of OH with HCl, HBr, and HI between 298 K and 460 K.

November 24, 2020

Author(s)

Vladimir L. Orkin, Victor Khamaganov, Igor Larin

The reactions between OH radicals and hydrogen halides (HCl, HBr, HI) have been studied between 298 K to 460 K by using a discharge flow – electron paramagnetic...

On-the-fly closed-loop materials discovery via Bayesian active learning

November 24, 2020

Author(s)

Aaron Kusne, Heshan Yu, Huairuo Zhang, Jason Hattrick-Simpers, Brian DeCost, Albert Davydov, Leonid A. Bendersky, Apurva Mehta, Ichiro Takeuchi

Active learning—the field of machine learning (ML) dedicated to optimal experiment design—has played a part in science as far back as the 18th century when...

Rapid Vapor-Collection Method for Vapor Pressure Measurements of Low-Volatility Compounds

November 24, 2020

Author(s)

Jason Widegren, Tara Lovestead, Megan Harries, Cheryle Beuning, Bridger L. Johnston

Dynamic vapor microextraction (DVME) is a new method that enables rapid vapor pressure measurements on large molecules with state-of-the-art measurement...

Spectroscopic and Spectrometric Approaches for Assessing the Composition of Embedded Metals in Tissues

November 24, 2020

Author(s)

Steven Hudson, Diane E. Smith, Todor Todorov, Adrian P. Defante, Jessica F. Hoffman, John F. Kalininch, Jose A. Centeno

Many medical devices contain metals that interface with the body. Additionally, embedded metal fragments from military wounds are typically not removed, to...

Spin squeezing with Short-Range Spin-Exchange Interactions

November 24, 2020

Author(s)

Michael A. Perlin, Chunlei Qu, Ana Maria Rey

Faster Exact Exchange in Periodic Systems using Single-precision Arithmetic

November 24, 2020

Author(s)

John T. Vinson

We show that the use of single-precision arithmetic for calculating the exchange interaction in periodic systems results in nearly halving computation time with...

Superconducting nanowire single-photon detectors with 98% system detection efficiency at 1550 nm

November 23, 2020

Author(s)

Dileep Venkatarama Reddy, Robert R. Nerem, Sae Woo Nam, Richard Mirin, Varun Verma

Superconducting nanowire single-photon detectors (SNSPDs) are an enabling technology for a myriad of quantum-optics experiments that require high-efficiency...

Strain-Induced Creation and Switching of Anion Vacancy Layers in Perovskite Oxynitrides

November 23, 2020

Author(s)

Takafumi Yamamoto, Akira Chikamatsu, Shunsaku Kitagawa, Nana Izumo, Shunsuke Yamashita, Hiroshi Takatsu, Masayuki Ochi, Takahiro Maryuama, Morito Namba, Wenhao Sun, Takahide Nakashima, Fumitaka Takeiri, Kotaro Fujii, Masatomo Yashima, Yuki Sugisawa, Masahito Sano, Yashushi Hirose, Daiichiro Sekiba, Craig Brown, Takashi Honda, Kazutaka Ikeda, Toshiya Otomo, Kazuhiko Kuroki, Kenji Ishida, Takao Mori, Koji Kimoto, Tetsuya Hasegawa, Hiroshi Kageyama

Perovskite oxides, ABO 3, can host a variety of anion vacancies in the form of chains or layers, which results in various properties 1-3 and thus the...

Elastic-plastic properties of mesoscale electrodeposited LIGA nickel alloy films: microscopy and mechanics

November 22, 2020

Author(s)

Li-Anne Liew, David T. Read, May Martin, Frank W. DelRio, Peter E. Bradley, Nicholas Barbosa, Todd R. Christenson, John T. Geaney

The elastic-plastic properties of mesoscale electrodeposited LIGA Ni alloy specimens are investigated as a function of specimen size, strain rate, and material...

Diffusion limitations and translocation barriers in atomically thin biomimetic pores

November 20, 2020

Author(s)

Subin Sahu, Michael P. Zwolak

Ionic transport in nano- to subnano-scale pores is highly dependent on translocation barriers and potential wells. These features in the free-energy landscape...

Evolution of the Magnetic Properties in the Antiferromagnet Ce₂RhIn₈ Simultaneously Doped with Cd and Ir

November 20, 2020

Author(s)

D. S. Christovam, G. S. Freitas, M. M. Piva, J. C. Souza, M. O. Malcolms, O. L. Canton, Juscelino Leao, William D. Ratcliff, Jeffrey W. Lynn, C. Adriano, P. G. Pagliuso

We report the evolution of the magnetic properties of Ce 2Rh 1−xIr xIn 8−yCd y single crystals. In particular, for Ce 2Rh 0.5Ir 0.5In 8 (T N = 2.0 K) and Ce 2Rh...

Magnetic Order and Competition with Superconductivity in (Ho-Er)Ni₂B₂C

November 20, 2020

Author(s)

Suleyman Gundogdu, J. P. Clancy, Guangyong Xu, Yang Zhao, Paul A. Dube, Tufan C. Karalar, Beong K. Cho, Jeffrey W. Lynn, M. Ramazanoglu

The rare earth magnetic order in pure and doped Er (1−x)Ho xNi 2B^2^C (x = 0, 0.25, 0.50, 0.75, 1) single crystal samples was investigated using magnetization...

Part Decomposition and Evaluation Based on Standard Design Guidelines for Additive Manufacturability and Assemblability

November 19, 2020

Author(s)

Yosep Oh, Hyunwoong Ko, Timothy A. Sprock, William Z. Bernstein, Soonjo Kwon

In comparison to traditional manufacturing, Additive Manufacturing (AM) has facilitated the production of complex part geometries. However, AM suffers from its...

Experimental demonstration of the near-quantum optimal receiver

November 19, 2020

Author(s)

Jabir Marakkarakath Vadakkepurayil, Ivan Burenkov, FNU Nur Fajar Rizqi Annafianto, Abdella Battou, Sergey Polyakov

We implement the cyclic quantum receiver based on the theoretical proposal of Roy Bondurant and demonstrate experimentally below the shot-noise limit (SNL)...

Isotope shift spectroscopy of the 1S0 to 3P1 and 1S0 to 3P0 transitions in strontium

November 19, 2020

Author(s)

Gretchen K. Campbell, Hirokazu Miyake, Neal Pisenti, Peter Elgee, Ananya Sitaram

Isotope shift spectroscopy with narrow optical transitions provides a benchmark for atomic struc- ture calculations, and has also been proposed as a way to...

Development of a general-purpose machine-learning interatomic potential for aluminum by the physically-informed neural network method

November 19, 2020

Author(s)

Ganga Purja Pun, Vesselin Yamakov, James Hickman, Edward Glaessgen, Yuri Mishin

Interatomic potentials constitute the key component of large-scale atomistic simulations of materials. The recently proposed physically-informed neural network...

EFFECTS OF PRE-STRAIN ON THE NON-LINEAR VISCOELASTIC PROPERTIES OF A MODEL SEALANT

November 18, 2020

Author(s)

Christopher C. White, Donald L. Hunston, Kar tean Tan

The non-linear viscoelastic properties of a model sealant were measured using stress relaxation tests conducted at different strain levels, x. Some specimens...

Estimating the Impact of 16 CFR Part 1633 on Bed Fire Outcomes

November 18, 2020

Author(s)

Stanley W. Gilbert, David Butry, Rick D. Davis, Richard Gann

Effective July 1, 2007, the U.S. Consumer Product Safety Commission promulgated a standard to severely reduce the heat release rate and the early heat output...

The Roles of Standard Cigarettes in Assuring the Ignition Resistance of Soft Furnishings

November 18, 2020

Author(s)

Richard G. Gann, Ickchan Kim, Steven P. Lund, William F. Guthrie, Rick D. Davis

Regulations for cigarette ignition resistance (CIR) of soft furnishings (beds and upholstered furniture) and less fire-prone cigarettes have contributed...

Calibration Procedures for Orthogonal Superposition Rheology

November 18, 2020

Author(s)

Ran Tao, Aaron M. Forster

Orthogonal superposition (OSP) rheology is an advanced rheological technique that involves superimposing a small-amplitude oscillatory shear deformation...

Calibration of Ray-Tracing with Diffuse Scattering against 28-GHz Directional Urban Channel Measurements

November 18, 2020

Author(s)

Camillo Gentile, Jelena Senic, Chiehping Lai, Derek Caudill, Jack Chuang, Nada Golmie

This paper describes the calibration of the Volcano ray-tracing engine against channel measurements collected in an urban environment with a 28 GHz directional...

Neutron Polarimetry Using a Polarized 3He Cell for the aCORN Experiment

November 16, 2020

Author(s)

Benjamin C. Schafer, W A. Byron, Wangchun Chen, B Collett, Maynard S. Dewey, Thomas R. Gentile, Md. T. Hassan, Gordon L. Jones, Alexander Komives, Fred E. Wietfeldt

The neutron polarization of the NG-C beamline at the NIST Center for Neutron Research was measured as part of the aCORN neutron beta decay experiment. Neutron t...

Sequential Bayesian experiment design for optically detected magnetic resonance of nitrogen-vacancy centers

November 16, 2020

Author(s)

Sergey Dushenko, Kapildeb Ambal, Robert McMichael

In wide-range magnetometry using optically detected magnetic resonance of NV- centers, we demonstrate more than order-of-magnitude speed up with sequential...

Peritectic Phase Transition of Benzene and Acetonitrile into a Cocrystal Relevant to Titan, Saturn's Moon

November 14, 2020

Author(s)

Christina A. McConville, Yunwen Tao, Hayden Evans, Benjamin Trump, Jonathan B. Lefton, Wenqian Xu, Andrey A. Yakovenko, Elfi Kraka, Craig Brown, Tomce Runcevski

Benzene and acetonitrile are two of the most commonly used solvents found in almost every chemical laboratory. Titan, Saturn's icy moon, is one other place in...

New refrigerants and system configurations for vapor compression refrigeration

November 13, 2020

Author(s)

Mark McLinden, Christopher J. Seeton, Andy Pearson

The high global warming potential (GWP) of current refrigerants in cooling equipment based on the vapor-compression cycle has triggered a major effort to find...

Mixture Fraction Analysis of Combustion Products in Medium-Scale Pool Fires

November 13, 2020

Author(s)

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

A mixture fraction analysis is performed to investigate the characteristics of time-averaged gaseous species measurements made along the centerline of medium...