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Journals

The Metrology of Counting Protein Particles

July 13, 2013

Author(s)

Dean C. Ripple, Michael J. Carrier, Richard E. Cavicchi, Christopher B. Montgomery, Zhishang Hu

A common degradation pathway for protein-based drugs is the growth of protein aggregates or particles. Counting and characterization of these particles is

Anisotropic LMN dielectronic resonances from ratios of magnetic-dipole lines

July 13, 2013

Author(s)

Yuri Ralchenko, John D. Gillaspy

Signatures of multi-keV LMN dielectronic resonances in highly-charged 3dn ions of tungsten were detected in the intensity ratios of extreme-ultraviolet magnetic

Ab initio study of the mechanical and the transport properties of pure and contaminated silver nanowires

July 12, 2013

Author(s)

Shmuel Barzilai, Francesca M. Tavazza, Lyle E. Levine

The conductance and mechanical properties of pure and contaminated silver nanowires were studied using density functional theory (DFT) calculations. Several

Structure stability and electronic transport of gold nanowires on BeO (0001) surface

July 12, 2013

Author(s)

Shmuel Barzilai, Francesca M. Tavazza, Lyle E. Levine

Gold nanowire chains are considered a good candidate for nanoelectronics devices since they exhibit remarkable structural and electrical properties. For

Superposition, Entanglement, and Raising Schroedinger's Cat

July 12, 2013

Author(s)

David J. Wineland

This is a written version of the lecture I presented in connection with the Nobel Prize ceremonies in December 2012. The paper briefly summarizes experiments on

Molecular Layer-by-Layer Assembled Reverse Osmosis Membranes for Water Desalination

July 12, 2013

Author(s)

Joung-Eun Gu, Seunghye Lee, Wansuk Choi, Jong Suk Lee, Bo-Young Kim, Edwin Chan, Christopher Stafford, Jun-Young Chung, Joona Bang, Jung-Hyun Lee

Here, we report on the successful design, construction, and performance of membranes constructed using the mLbL process and show that these membranes exceed the

Atomic Data for Iron-group Elements of Astrophysical Interest

July 11, 2013

Author(s)

Gillian Nave, Craig J. Sansonetti, J C. Pickering, Matthew Ruffoni, Anne P. Thorne, Florence Liggins

The joint project between NIST and Imperial College London to measure spectra of singly-ionized iron-group elements using Fourier transform and high-resolution

Multi-resonant plasmonic nanodome arrays for label-free biosensing applications

July 10, 2013

Author(s)

Charles J. Choi, Stephen Semancik

The characteristics and utility of plasmonic nanodome arrays capable of supporting multiple resonance modes are described. A low-cost, large-area replica

Nanoscale Imaging of Plasmonic Hot Spots and Dark Modes with the Photothermal Induced Resonance Technique

July 10, 2013

Author(s)

Basudev Lahiri, Glenn E. Holland, Vladimir A. Aksyuk, Andrea Centrone

The collective oscillation of conduction electrons, responsible for the LSPRs, enables engineering nanomaterials by tuning their optical response from the

Multiple Detectors for a Short-Baseline Neutrino Oscillation Search Near Reactors

July 10, 2013

Author(s)

Hans Pieter Mumm, Karsten Heeger

Reactor antineutrino experiments have the ability to search for neutrino oscillations independent of reactor flux predictions using a relative measurement of

On the bending strength of single-crystal silicon theta-like specimens

July 10, 2013

Author(s)

Rebecca R. Kirkpatrick, William Alexander Osborn, Michael S. Gaither, Richard S. Gates, Frank W. DelRio, Robert F. Cook

A new theta geometry was developed for micro-scale bending strength measurements. The new "gap" theta specimen was a simple modification of the arch theta

Spinor Dynamics in an Antiferromagnetic spin-1 Thermal Bose Gas

July 9, 2013

Author(s)

Hyewon K. Pechkis, Jonathan Wrubel, Arne Schwettmann, Paul Griffin, Ryan Barnett, Eite Tiesinga, Paul D. Lett

We present experimental observations of coherent spin-population oscillations in a cold thermal, Bose gas of spin-1 23Na atoms. The population oscillations in a

A method for the analysis of behavioural uncertainty in evacuation modelling

July 9, 2013

Author(s)

Enrico Ronchi, Paul A. Reneke, Richard D. Peacock

Evacuation models generally include the use of distributions or probabilistic variables to simulate the variability of possible human behaviours. A single model

Hydrodynamic Corrections to Contact Resonance Force Microscopy Measurements of Viscoelastic Loss Tangent

July 9, 2013

Author(s)

Ryan C. Tung, Jason P. Killgore, Donna C. Hurley

We present a method to improve accuracy in measurements of nanoscale viscoelastic material properties with contact resonance (CR) AFM methods. Through the use

Characterization of polydopamine thin films deposited at short times by the autoxidation of dopamine

July 9, 2013

Author(s)

Rebecca A. Zangmeister, Todd A. Morris, Michael J. Tarlov

Current interest in melanin films derived from the autoxidation of dopamine stems from their use as a universal adhesion layer. Here we report chemical and

Broadband S-parameter characterization of a DC-SQUID amplifier

July 9, 2013

Author(s)

Leonardo M. Ranzani, Lafe F. Spietz, Jose A. Aumentado

In this work we characterize the 2-port scattering parameters of a superconducting quantum interference device (DC-SQUID) ampli er at 20 mK in the 2{8 GHz band

Mechanical Control of a Microrod-Resonator Optical Frequency Comb

July 8, 2013

Author(s)

Scott B. Papp, Pascal P. Del'Haye, Scott A. Diddams

Robust control and stabilization of optical frequency combs enables an extraordinary range of scientific and technological applications, including frequency

Sensitivity of Probes in Near-Field Spherical-Scanning Antenna Measurements

July 7, 2013

Author(s)

Ronald C. Wittmann, Michael H. Francis

We define and calculate sensitivity for several actual and simulated probes. Probe sensitivity can have a significant impact on measurement uncertainty

Interfacial morphology and water transport of proton-conducting polymer membranes in fuel cell

July 5, 2013

Author(s)

Sangcheol Kim, Joseph A. Dura, Kirt A. Page, Christopher L. Soles

We quantify the interfacial structure and corresponding water transport kinetics in thin films of Nafion using neutron reflectivity (NR) and quartz-crystal

A highly ordered non-crystalline metallic phase

July 5, 2013

Author(s)

Gabrielle G. Long, Karena Chapman, Peter Chupas, Leonid A. Bendersky, Lyle E. Levine, Frederic Mompiou, John W. Cahn, Judith K. Stalick

We report the characterization of an ordered non-crystalline isotropic metallic solid that, during rapid cooling of an Al-Fe-Si melt, forms by nucleation

Direct Observation of Zitterbewegung in a Bose-Einstein condensate

July 3, 2013

Author(s)

Lindsay J. LeBlanc, Matthew Beeler, Karina Jimenez-Garcia, Abigail R. Perry, Seiji Sugawa, Ross Williams, Ian B. Spielman

Zitterbewegung, a force-free trembling motion first predicted for relativistic fermions like electrons, was an unexpected consequence of the Dirac equation's

Measurements of effective diffusion coefficients of helium and hydrogen through gypsum

July 3, 2013

Author(s)

Jiann C. Yang, William M. Pitts, Marco G. Fernandez, Kuldeep R. Prasad

An experimental apparatus, which was based on the ¿-scale garage previously used for studying helium release and dispersion in our laboratory, was used to

Compression-Fatigue, Elastic Modulus, and Thermal Contraction of Insulated Conduit Arrays of ITER CS Modules

July 3, 2013

Author(s)

Richard Reed, Robert Walsh, Dash Weeks, Joseph D. McColskey, N. N. Martovsky

Compression-fatigue tests at ∼77 K were conducted to compare two insulation systems (epoxy resin impregnated glass/Kapton) for use in the ITER central solenoid

Protocols for the High Temperature Measurement of the Seebeck Coefficient in Thermoelectric Materials

July 2, 2013

Author(s)

Joshua B. Martin

In Seebeck coefficient metrology, the present diversity in apparatus design, acquisition methodology, and contact geometry, has resulted in conflicting

Strong equivalence of reversible circuits is coNP-complete

July 2, 2013

Author(s)

Stephen P. Jordan

It is well-known that deciding equivalence of logic circuits is a coNP-complete problem. As a corollary, the problem of deciding weak equivalence of reversible

A Prescription for Sub-Millimeter-Wave Transistor Characterization

July 1, 2013

Author(s)

Dylan F. Williams, Adam C. Young, Urteaga Miguel

We present an approach for characterizing transistors embedded in microstrip lines formed on a thin bisbenzocyclobutene-based (BCB) monomers film at sub

Calibration-Kit Design for Millimeter-Wave Silicon Integrated Circuits

July 1, 2013

Author(s)

Dylan F. Williams, Phillip Corson, Sharma Jahnavi, Krishnaswamy Harish, Tai Wei, George Zacharias, Ricketts David, Watson Paul, Dacquay Eric, Voinigescu Sorin

We study and present design guidelines for thru-reflect-line vector-network-analyzer calibration kits used for characterizing circuits and transistors

What's in a 'NYM?

July 1, 2013

Author(s)

Robert R. Keller

The field of electron microscopy, by its very diverse nature, abounds with acronyms: AEM, EF-TEM, ESEM, FE-SEM, HREM, HRTEM, HVEM, SEM, STEM, TEM, and VP-SEM

Parallel Geometric Classification of Stem Cells by Their 3D Morphology

July 1, 2013

Author(s)

Derek Juba, Antonio Cardone, Cheuk Y. Ip, Carl Simon Jr., Christopher K. Tison, Girish Kumar, Mary C. Brady

Autologous stem cells show great promise for tissue engineering as they can regenerate diseased or damaged tissue, without requiring an organ donor or causing

Conditions for two-photon interference with coherent pulses

July 1, 2013

Author(s)

Yong-Su Kim, Oliver T. Slattery, Paulina Kuo, Xiao Tang

We report experiments on two-photon interference between temporally non-overlapping weak coherent pulses. While the single-photon interference is washed out