Journals

Techniques for microwave near-field quantum control of trapped ions

January 31, 2013

Author(s)

Ulrich J. Warring, C. Ospelkaus, Yves Colombe, Kenton R. Brown, Jason Amini, M Carsjens, Dietrich G. Leibfried, David J. Wineland

In Ospelkaus et al. [Nature 476, 181 (2011)] a microwave near-field quantum control of spin and motional degrees of freedom of one and two 25Mg+ ions enabled...

Modeling the Evacuation of the World Trade Center Towers on September 11, 2001

January 31, 2013

Author(s)

Erica D. Kuligowski, Richard D. Peacock, Jason D. Averill

This paper provides an analysis of the evacuation of the World Trade Center towers culled from telephone and face-to-face interviews with survivors. A decedent...

Analysis of Egress From the World Trade Center Towers on September 11, 2001

January 31, 2013

Author(s)

Richard D. Peacock, Jason D. Averill, Erica D. Kuligowski

This paper provides an analysis of the evacuation of the World Trade Center towers culled from telephone and face-to-face interviews with survivors. A decedent...

Stratified Graphene-Noble Metal Systems for Low-Loss Plasmonics Applications

January 30, 2013

Author(s)

Anna L. Rast, Timothy Sullivan, Vinod K. Tewary

We demonstrate numerically that bulk plasmon losses in noble metal films can be significantly reduced through the addition of a graphene coating and hexagonal...

ELECTRICAL AND PHYSICAL CHARACTERIZATION OF BILAYER CARBOXYLIC ACID FUNCTIONALIZED MOLECULAR LAYERS

January 30, 2013

Author(s)

Sujitra J. Pookpanratana, Joseph W. Robertson, Cherno Jaye, Daniel A. Fischer, Curt A. Richter, Christina A. Hacker

We have used Flip Chip Lamination (FCL) to form monolayer and bilayer molecular junctions of carboxylic acid-containing molecules with Cu atom incorporation...

ITRS Chapter: MEMS

January 30, 2013

Author(s)

Michael Gaitan

The ITRS has organized a MEMS Technology Working Group (TWG), which has developed a new chapter on MEMS for its 2011 report. The report focuses on MEMS...

Crystal Structure of NaY Zeolite with Adsorbed CO2 by Neutron Powder Diffraction

January 29, 2013

Author(s)

Winnie K. Wong-Ng, James A. Kaduk, Qingzhen Huang, Laura Espinal, Martin L. Green

The crystal structure of dehydrated NaY zeolite (Na-FAU structure type) with and without adsorbed CO2 has been determined at room temperature (RT) and at 4 K...

An Apparatus for Concurrent Measurement of Thermoelectric Material Parameters

January 29, 2013

Author(s)

Raymond L. Kallaher, Cory A. Latham, Fred Sharifi

On a generalization of the generating function for Gegenbauer polynomials

January 28, 2013

Author(s)

Howard S. Cohl

We derive a Gegenbauer polynomial expansion for complex powers of the distance between two points in $d$-dimensional Euclidean space. The argument of the...

Simultaneous positioning and orientation of single nano-wires using flow control

January 28, 2013

Author(s)

Pramod Mathai, Peter T. Carmichael, Benjamin Shapiro, James A. Liddle

We present a method for manipulating both the position and orientation of nanowires (NWs) by feedback control of flows that does not require that the NWs have...

Determination of fortified and endogenous folates in food-based Standard Reference Materials by liquid chromatography-tandem mass spectrometry

January 26, 2013

Author(s)

Johanna Camara, Mark S. Lowenthal, Karen W. Phinney

The National Institute of Standards and Technology (NIST) is developing a wide variety of Standard Reference Materials (SRMs) to support measurements of...

Correlating Chlorine-Induced Changes in Mechanical Properties to Performance in Polyamide-Based Thin Film Composite Membranes

January 26, 2013

Author(s)

Junghyun Lee, Jun Y. Chung, Edwin Chan, Christopher Stafford

Understanding the degradation of polyamide-based (PA) thin-film composite membranes by chlorine is imperative to develop chlorine-resistant membranes, an...

Resistance in transition-edge sensors: A comparison of the resistively shunted junction and two-fluid models

January 25, 2013

Author(s)

Douglas A. Bennett, Daniel S. Swetz, Daniel R. Schmidt, Joel N. Ullom

The transition between the superconducting and normal states is of extreme practical importance because the very sharp onset of resistance in voltage biased...

Tunnel junction sensors for HCI-surface measurements at low kinetic energies

January 25, 2013

Author(s)

Joshua M. Pomeroy, Russell E. Lake

In recent years, we have developed and deployed the capability to make and use tunnel junctions sensors (TJS) as extremely sensitive tools for the measurement...

Improvements in silicon oxide dielectric loss for superconducting microwave detector circuits

January 24, 2013

Author(s)

Dale Li, Jason Austermann, James A. Beall, Daniel T. Becker, Hsiao-Mei Cho, Anna E. Fox, Nils Halverson, Jason Henning, Gene C. Hilton, Johannes Hubmayr, Jeffrey L. Van Lanen, John P. Nibarger, Michael D. Niemack, Kent D. Irwin

Dielectric loss in low-temperature superconducting integrated circuits can cause lower overall efficiency, particularly in the 90 to 220 GHz regime. We present...

Spatial and temporal trends of persistent organic pollutants and mercury in beluga whales (Delphinapterus leucas) from Alaska

January 24, 2013

Author(s)

Jennifer Hoguet, Jessica Reiner, Jennifer Lynch, John Kucklick, Colleen E. Bryan Sallee, Amanda Moors, Rebecca Pugh, Paul R. Becker

Remote locations, such as the Arctic, are often sinks for persistent contaminants which can ultimately bioaccumulate in local wildlife. Assessing temporal...

Metallofullerene with a Distorted Shape: Structural Investigation of Y3N@C78

January 24, 2013

Author(s)

Dan Bearden, Jianyuan Zhang, Fuhrer Tim, Wujun Fu, Tianming Zuo, Liaosa Xu, Harry C. Dorn

In recent decades, the trimetallic nitride template endohedral metallofullerenes (TNT-EMFs),1 which consist of a trimetallic nitride cluster and a fullerene...

Breast Cancer Biomarker Measurements and Standards

January 24, 2013

Author(s)

Kenneth D. Cole, Lili Wang, Hua-Jun He

Cancer is a heterogeneous disease characterized by changes in the levels and activities of important cellular proteins, including oncogenes and tumor...

The effect of internal impurities on the mechanical and conductance properties of gold nanowires during elongation

January 24, 2013

Author(s)

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

The conductance and mechanical properties of contaminated gold nanowires were studied using first principle calculations. Nanowires containing internal...

Deep Hydration: Poly(ethylene glycol) M_w 2000-8000 Da Probed by Vibrational Spectrometry and Small-Angle Neutron Scattering and Assignment of {Δ}G° to Individual Water Layers.

January 24, 2013

Author(s)

Kenneth A. Rubinson, Curtis W. Meuse

Aquesous solutions of poly9ethylene glycol) (PEG) exhibit some remarkable properties, among which is the small changes in water activity compared to the volumes...

Key comparison BIPM.RI(I)-K6 of the standards for absorbed dose to water of the NIST, USA and BIPM in accelerator photon beams

January 23, 2013

Author(s)

Ronald E. Tosh, S Picard, D T. Burns, P Roger, Fred B. Bateman, Huaiyu H. Chen-Mayer

A comparison of the dosimetry for accelerator photon beams was carried out between the National Institute of Standards and Technology (NIST) and the Bureau...

Characterization of Dieseline with the Advanced Distillation Curve Method: Hydrocarbon Classification and Enthalpy of Combustion

January 22, 2013

Author(s)

Thomas J. Bruno, Jessica L. Burger, Raina V. Gough

The use of supercritical fuel blends with low cetane numbers and high volatility, such as natural gas and gasoline with diesel fuel, may aid in efforts to...

To Predict Vibrational Spectra, Are Anharmonic Calculations Worthwhile?

January 22, 2013

Author(s)

Ruth L. Jacobsen, Karl K. Irikura, Russell D. Johnson III, Raghu N. Kacker

Anharmonic calculations using vibrational perturbation theory are known to provide near-spectroscopic accuracy when combined with high-level ab initio potential...

Evaluation of C60 Secondary Ion Mass Spectrometry for the Chemical Analysis and Imaging of Fingerprints

January 22, 2013

Author(s)

Edward R. Sisco, Leonard Demovanville, John G. Gillen

The feasibility of using C60 Cluster Primary Ion Bombardment Secondary Ion Mass Spectrometry (C60 SIMS) for the analysis of the chemical composition of...

Real-Time Size Discrimination and Elemental Analysis of Gold Nanoparticles using ES-DMA coupled to ICP-MS

January 22, 2013

Author(s)

Sherrie R. Elzey, De-Hao D. Tsai, Lee L. Yu, Michael R. Winchester, Michael E. Kelley, Vincent A. Hackley

We report the development of a hyphenated instrument with the capacity to quantitatively characterize aqueous suspended gold nanoparticles (AuNPs) based on a...

Demographic expansions in South America: enlightening a complex scenario with genetic and linguistic data

January 22, 2013

Author(s)

Michael D. Coble, V Ramallo, R Biso-Machado, C Bravi, F M Salzano, T Hunemeier, MC Bortolini

Native Americans are characterized by specific and unique patterns of genetic and cultural/linguistic diversities, and this information has been used to...

Physical properties of Al doped Ba hexagonal ferrite thin films

January 22, 2013

Author(s)

Harward Ian, Yan Nie, Daming Chen, Josh Baptist, Justin Shaw, Eva J. Liskova, Stefan Visnovsky, Petr Siroky, Michal Lesnak, Jaromir Pistora, Zbigniew Celinski

We developed the thin film microwave magnetic material, M-type barium hexagonal ferrite (BaM) doped with Al, for signal processing devices operating above 40...

Quadrature interferometry for nonequilibrium ultracold atoms in optical lattices

January 22, 2013

Author(s)

Philip Johnson, Eite Tiesinga

We develop an interferometric technique for measuring quadrature operators of nonequilibrium states of ultracold atoms in optical lattices. The technique...

Quantum Dot Fluorescence Lifetime Engineering with DNA Origami Constructs

January 21, 2013

Author(s)

James A. Liddle, Seung-Hyeon Ko, Kan Du

The ability to organize nanostructures of disparate types and materials such as metal nanoparticles and semiconductor quantum dots is challenging but...

Facile Fabrication of "Dual Click" One- and Two-Dimensional Orthogonal Peptide Concentration Gradients

January 21, 2013

Author(s)

Yanrui Ma, Jukuan Zheng, Emily F. Amond, Christopher Stafford, Matthew L. Becker

Peptides, proteins and extracellular matrix act in concert to influence cellular function at the biotic-synthetic interface. However identifying the individual...