Journals

Evaluation and comparison of classical interatomic potentials through a user-friendly interactive web-interface

January 31, 2017

Author(s)

Kamal Choudhary, Faical Y. Congo, Chandler A. Becker, Francesca M. Tavazza

Classical empirical potentials/force-fields (FF) provide atomistic insights into material phenomena through molecular dynamics and Monte Carlo simulations...

Final report on the key comparison, CCM.PK15 in the pressure rangefrom 1.0 x 10-4 Pa to 1.0 Pa

January 30, 2017

Author(s)

Christian Wuethrich, Hitoshi Akimichi, Mercede Bergoglio, James A. Fedchak, Karl Jousten, Sueng Soo Hong, Jorge T. Guzman

The comparison CCM.M.P-K14 is a key comparison in pressure involving six laboratories in three regional metrological organizations (RMO). The measurand of the...

Insights into Cruciform Sample Design

January 29, 2017

Author(s)

Adam Creuziger, Mark Iadicola, Timothy J. Foecke, Evan Rust, Dilip Banerjee

Four different cruciform sample designs, based on the work of Abu-Farha et al, were studied in this paper. The original design of Abu-Farha was validated at...

Uncertainty Assessment of Equations of State Applied to Organic Rankine Cycles

January 27, 2017

Author(s)

Ian H. Bell, Kenneth G. Kroenlein, John P. O'Connell, Jens Abildskov, Jerome Frutiger, Gurkan Sin

This study presents a generic method to analyze and select equations of state (EoS) based on detailed uncertainty analysis of the respective EoS property...

Optical probe for nondestructive wafer-scale characterization of photonic elements

January 27, 2017

Author(s)

Thomas Michels, Vladimir A. Aksyuk

This article describes fabrication and operation of a microfabricated photonic waveguide loop probe for nondestructive evanescent coupling and localized testing...

Fabrication of Scanning Electrochemical Microscopy-Atomic Force Microscopy (SECM-AFM) Probes to Image Surface Topography and Reactivity at the Nanoscale

January 27, 2017

Author(s)

Jeyavel Velmurugan, Amit K. Agrawal, Sang M. An, Eric A. Choudhary, Veronika A. Szalai

Electrocatalysts, used in energy applications, rely on the solid-liquid interface to carry out productive chemistry. This interface is generally less amenable...

Efficient fiber-coupled single-photon source based on quantum dots in a photonic-crystal waveguide

January 27, 2017

Author(s)

Raphael Daveau, Krishna Coimbatore Balram, Tommaso Pregnolato, Jin Liu, Eun Lee, Jin Dong Song, Varun Verma, Richard Mirin, Sae Woo Nam, Leonardo Midolo, Kartik Srinivasan, Soren Stobbe, Peter Lodahl

Increasing evidence indicates low bioaccumulation of carbon nanotubes

January 27, 2017

Author(s)

Rhema Bjorkland, David Tobias, Elijah Petersen

As the production of carbon nanotubes (CNTs) expands, so does the potential for release into the environment. The possibility of bioaccumulation and...

Homogenization Kinetics of a Nickel-based Superalloy Produced by Powder Bed Fusion Laser Sintering

January 26, 2017

Author(s)

Fan Zhang, Lyle E. Levine, Andrew J. Allen, Eric Lass, Sudha Cheruvathur, Mark R. Stoudt, Maureen E. Williams, Yaakov S. Idell, Carelyn E. Campbell

Additively manufactured (AM) metal components often exhibit fine dendritic microstructures and elemental segregation due to the initial rapid solidification and...

Spatial variation in perfluoroalkyl acids in a population of wild American alligators (Alligator mississippiensis) at Merritt Island National Wildlife Refuge (MINWR) surrounding the Kennedy Space Center (KSC)

January 26, 2017

Author(s)

John Bowden, Jacqueline T. Bangma, Martin Jones, Russell H. Lowers, Frances Nilsen, Jessica L. Reiner, Thomas R. Rainwater, Stephen E. Somerville, Louis J. Guillette Jr.

This study aimed to quantify fourteen perfluoroalkyl acids (PFAAs) in the plasma of a population of alligators located at Merritt Island national Wildlife...

Neutron Interferometer Crystallographic Imperfections and Gravitationally Induced Quantum Interference Measurements

January 25, 2017

Author(s)

Michael G. Huber, Muhammad D. Arif, Dimitry A. Pushin, A.R. Young, B. Heacock, Robert Haun

Dynamical diffraction leads to an interesting, unavoidable set of interference effects for neutron interferometers. This experiment studies the interference...

Temperature dependence of electron density and electron-electron interactions in monolayer epitaxial graphene grown on SiC

January 25, 2017

Author(s)

Chieh W. Liu, Chiashain Chuang, Yanfei Yang, Randolph Elmquist, Yi-Ju Ho, Hsin Y. Lee, Chi-Te Liang

We report carrier density measurements and electron-electron (e-e) interactions in monolayer epitaxial graphene grown on SiC. The temperature (T)-independent...

A New Generation of Magnetoencephalography: Room Temperature Measurements using Optically-Pumped Magnetometers

January 25, 2017

Author(s)

Elena Boto, Sofie S. Meyer, Vishal Shah, Orang Alem, Svenja A. Knappe, Peter Kruger, Mark Fromhold, Peter G. Morris, Richard W. Bowtell, Gareth R. Barnes, Matthew J. Brookes, Mark Lim

Significant advances in the field of quantum sensing mean that magnetic field detectors, operating at room temperature, are now able to achieve sensitivity...

Static and Time-Resolved Terahertz Measurements of Photoconductivity in Solution-Deposited Ruthenium Oxide Nanofilms

January 25, 2017

Author(s)

Brian Alberding, Paul A. Desario, Adam D. Dunkelberger, Debra R. Rolison, Jeffrey C. Owrutsky, Edwin J. Heilweil

Thin film Ruthenium Oxide (RuO2) is a promising alternative material as a conductive electrode in electronic applications because its rutile crystalline form is...

Exactly soluble model of boundary degeneracy

January 25, 2017

Author(s)

Sriram Ganeshan, Alexey Gorshkov, Victor Gurarie, Victor Galitski

Separation of Double-Wall Carbon Nanotubes by Electronic Type and Diameter

January 24, 2017

Author(s)

Jason K. Streit, Stephanie Lam, Yanmei Piao, Angela R. Hight Walker, Jeffrey A. Fagan, Ming Zheng

In this work, we introduce a new procedure for the efficient isolation and subsequent separation of double-wall carbon nanotubes (DWCNTs). A simplified rate...

Comprehensive atomic wavelengths, energy levels and hyperfine structure for singly-ionized iron-group elements

January 23, 2017

Author(s)

Gillian Nave, Craig J. Sansonetti, Keeley I. Townley-Smith, J C. Pickering, Florence Liggins, Anne P. Thorne, Christian Clear

We summarize recent work at the National Institute of Standards and Technology and Imperial College London on wavelengths, hyperfi ne structure, energy levels...

Characteristics of Resistive Memory Read Fluctuations in Endurance Cycling

January 23, 2017

Author(s)

David M. Nminibapiel, Dmitry Veksler, Pragya R. Shrestha, Jihong Kim, Jason P. Campbell, Jason T. Ryan, Helmut Baumgart, Kin P. Cheung

We report on new fluctuation dynamics of the high resistance state of Hafnia-based RRAM devices after RESET. We observe that large amplitude fluctuations occur...

Imaging and Analysis of Encapsulated Objects through Self-Assembled Electron and Optically Transparent Graphene Oxide Membrane

January 23, 2017

Author(s)

Alexander Yulaev, Alexey Lipatov, Annie Xi Lu, Alexander Sinitskii, Leite Marina, Andrei Kolmakov

We demonstrate a technique for facile adhesion and encapsulation of micro- and nano objects on arbitrary substrates, stencils, and micro structured surfaces by...

Thermal transport in dimerized harmonic lattices: Exact solution, crossover behavior, and extended reservoirs

January 23, 2017

Author(s)

Chih-Chun Chien, Said Kouachi, Kirill Velizhanin, Yonatan Dubi, Michael P. Zwolak

We present a method for calculating analytically the thermal conductance of a classical harmonic lattice with both alternating masses and nearest-neighbor...

Collaborative guarded-hot-plate tests between the Laboratoire national de métrologie et dessais and the National Institute of Standards and Technology

January 20, 2017

Author(s)

Robert R. Zarr, William F. Guthrie, Bruno Hay, Alain Koenen

A collaborative study to compare the long-term measurement performance between guardedhot- plate facilities at the Laboratoire national de métrologie et d...

Magnetic Properties and Applications of Engineered Nanomaterials

January 20, 2017

Author(s)

Cindi L. Dennis

This chapter will review the fundamentals of nanomagnetism, including its origins, the different types, and their response at the nanoscale, followed by...

Least Squares Moving-Window Spectral Analysis

January 20, 2017

Author(s)

Young J. Lee

Least squares regression is proposed as a moving-windows method for analysis of a series of spectra acquired as a function of external perturbation. The least...

First high-resolution analysis of the nu1, nu3, and nu1+nu3 bands of sulfur dioxide 33S16O2

January 20, 2017

Author(s)

Walter J. Lafferty, Jean-Marie Flaud, T. A. Blake

Fourier transform spectra of sulfur dioxide 33S16O2 have been recorded in the 8.0 µm and 4.0 µm spectral regions at a resolution of 0.0015 cm-1 using a Bruker...

Improved Cr II log(gf) values and abundance determinations in the photospheres of the Sun and metal-poor star HD 84937

January 20, 2017

Author(s)

James E. Lawler, Chris Sneden, Gillian Nave, E. A. Den Hartog, N Emrahoglu, John J. Cowan

New emission branching fraction (BF) measurements for 183 lines of the second spectrum of chromium (Cr II) and new radiative lifetime measurements from laser...

Non-Hermitian engineering of synthetic saturable absorbers for applications in photonics

January 20, 2017

Author(s)

A. Rahman, M H. Teimourpour, Kartik Srinivasan, Ramy El-Ganainy

We introduce a new type of synthetic saturable absorber based on quantum-inspired photonic arrays whose linear light transport characteristics can be derived...

Nanointerface-Driven Reversible Hydrogen Storage in the Nanoconfined Li-N-H System

January 20, 2017

Author(s)

Brandon C. Wood, Vitalie Stavila, Natchapol Poonyayant, Tae-Wook Heo, Keith G. Ray, Leonard E. Klebanoff, Terrence J. Udovic, Jonathan R. I. Lee, Natee Angboonpong, Joshua D. Sugar, Pasit Pakawatpanurut

A microfabricated optically-pumped magnetic gradiometer

January 18, 2017

Author(s)

Abigail R. Perry, Sean P. Krzyzewski, John E. Kitching, S. Geller, Sheng D., Svenja A. Knappe

We report on the development of a microfabricated atomic magnetic gradiometer based on optical spectroscopy of alkali atoms in the vapor phase. The gradiometer...

Plastic Deformation of Polymer Blends as a Means to Achieve Stretchable Organic Transistors

January 17, 2017

Author(s)

Tianlei Sun, Joshua Scott, Ming Wang, Regis J. Kline, Guillermo Bazan, Brendan T. O'Connor

Measurements of trapped-ion heating rates with exchangeable surfaces in close proximity

January 15, 2017

Author(s)

Dustin A. Hite, Kyle S. McKay, Shlomi Salman Kotler, Dietrich G. Leibfried, David J. Wineland, David P. Pappas

Electric-field noise from the surfaces of ion-trap electrodes couples to the ions charge causing heating of the ions motional modes. This heating limits the...