Journals

A New NIST Primary Standardization of 18F

February 1, 2014

Author(s)

Ryan P. Fitzgerald, Brian E. Zimmerman, Denis E. Bergeron, Jeffrey T. Cessna, Leticia S. Pibida, Denise S. Moreira

A new primary standardization of 18F by NIST is reported. The standard is based on live-timed beta- gamma anticoincidence counting with confirmatory...

Distributed Deployment Algorithms for Improved Coverage in a Network of Wireless Mobile Sensors

February 1, 2014

Author(s)

Kamran Sayrafian, Vladimir V. Marbukh, Hamid Mahboubi, Kaveh Moezzi, Amir Aghdam

In this paper, sensor deployment strategies are developed for effective coverage in wireless sensor networks. In the proposed algorithms, the sensors find...

Effects of Intermicellar Interactions on the Dissociation of Block Copolymer Micelles: SANS and NMR Studies

February 1, 2014

Author(s)

Gang Cheng, Boualem Hammouda, Dvora Perahia

The effects of inter-micellar interactions on the dissociation of block copolymer micelles of polystyrene-b-polyisoprene in a selective solvent, decane, were...

Polystyrene-block-Polyisoprene Diblock-Copolymer Micelles: Coupled Pressure and Temperature Effects

February 1, 2014

Author(s)

Gang Cheng, Boualem Hammouda, Dvora Perahia

The structural changes of diblock copolymer micelles under pressure from (200-16,000) psi were investigated using small-angle neutron scattering (SANS)...

Structure and Properties of α-NaFeO₂-type Ternary Sodium Iridates

February 1, 2014

Author(s)

Kristen Baroudi, Cindi Yim, Hui Wu, Qingzhen Huang, John H. Roudebush, Eugenia Vavilova, Hans-Joachim Grafe, Vladislav Kataev, Bernd Buechner, Huiwen Ji, Changyang Kuo, Zhiwei Hu, Tun-Wen Pi, Chiwen Pao, Jyhfu Lee, Daria Mikhailova, Liu Hao Tjeng, R. J. Cava

The synthesis, structure, and elementary magnetic and electronic properties are reported for layered compounds of the type Na 3-xMIr 2O 6 and Na 3-xM 2IrO 6...

Introduction to the special issue for the 15th International Conference on Small-Angle Scattering

February 1, 2014

Author(s)

Elliot P. Gilbert, Andrew J. Allen

Background and introduction are provided regarding the 15th International Conference on Small Angle Scattering (SAS2012), held in Sydney, Australia, November...

Bounds on Elementary Symmetric Functions

January 31, 2014

Author(s)

Andrew L. Rukhin

Tight bounds on an elementary symmetric function are established for given values of these polynomials of lower order.

Environmental Performance of Green Building Code and Certification Systems

January 31, 2014

Author(s)

Joshua D. Kneifel, Sangwon Suh, Shivira Tomar, Matthew Leighton

Estimation of the Limit of Detection Using Information Theory Measures

January 31, 2014

Author(s)

Alexander (. Vergara Tinoco, Fonollosa Jordi, Huerta Ramon, Santiago Marco

Definitions of the Limit of Detection (LoD) based on the probability of false positive and/or false negative errors have been proposed over the past years...

Self-Injection Locking and Phase-Locked States in Microresonator-Based Optical Frequency Combs

January 31, 2014

Author(s)

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

Microresonator-based optical frequency combs have been under extensive research during the last years. However, the actual comb generation processes are still...

Restricted Likelihood Representation for Multivariate Heterogeneous Random Effects Models

January 31, 2014

Author(s)

Andrew L. Rukhin

In the random-effects model of meta-analysis for heterogeneous multidimensional data a canonical representation of the restricted likelihood function is...

Effect of Capping Material on Interfacial Ferromagnetism in FeRh Thin Films

January 31, 2014

Author(s)

C. Baldasseroni, G. K. Palsson, C. Bordel, S. Valencia, A. A. Unal, F. Kronast, S. Nemsak, C. S. Fadley, Julie Borchers, Brian B. Maranville, F. Hellman

The role of the capping material in stabilizing a thin ferromagnetic layer at the interface between an FeRh film and cap in the nominally antiferromagnetic...

k-Zero Day Safety: A Network Security Metric for Measuring the Risk of Unknown Vulnerabilities

January 31, 2014

Author(s)

Lingyu Wang, Sushil Jajodia, Anoop Singhal, Pengsu Cheng, Steven Noel

By enabling a direct comparison of different security solutions with respect to their relative effectiveness, a network security metric may provide quantifiable...

A multicomponent phase-field model for extremely large partition coefficients

January 31, 2014

Author(s)

Michael J. Welland, Dieter Wolf, Jonathan E. Guyer

We develop a multi-component phase-field model specially formulated to robustly simulate concentration variations from molar to atomic magnitudes across an...

Analysis for Dynamic Metrology

January 30, 2014

Author(s)

Andrew M. Dienstfrey, Paul D. Hale

Diverse measurement contexts require estimates of time varying quantities. Ideally the measurement device responds to signal variations significantly more...

Strong coupling of single emitters interacting with phononic infrared antennae

January 30, 2014

Author(s)

Ruben Esteban, Javier Aizpurua, Garnett W. Bryant

A single emitter can couple with an electromagnetic mode excited in dielectric cavities or metallic particles. In a similar manner, it can couple with a...

The neural representation of faces and bodies in motion and at rest

January 29, 2014

Author(s)

P J. Phillips, Alice O'Toole, Vaidehi Natu, Xiaobo An, Rice Allyson, James Ryland

The neural organization of person processing relies on brain regions functionally selective for faces or bodies, with a subset of these regions preferring...

Quantum teleportation from a telecom-wavelength photon to a solid-state quantum memory

January 28, 2014

Author(s)

Felix Bussieres, Christoph Clausen, Alexey Tiranov, Boris Korzh, Varun Verma, Sae Woo Nam, Francesco Marsili, Alban Ferrier, Harald Hermann, Christine Silberhorn, Wolfgang Sohler, Mikael Afzelius, Nicolas Gisin

In quantum teleportation [1], the state of a single quantum system is disembodied into classical information and purely quantum correlations, to be later...

Phase-slip lines as a resistance mechanism in transition-edge sensors

January 27, 2014

Author(s)

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

The fundamental mechanism of resistance in voltage-biased superconducting films is poorly understood despite its importance as the basis of transition-edge...

Si3N4 optomechanical crystals in the resolved-sideband regime

January 27, 2014

Author(s)

Marcelo I. Davanco, Serkan Ates, Yuxiang Liu, Kartik A. Srinivasan

We demonstrate sideband-resolved Si3N4 optomechanical crystals supporting 105 quality factor optical modes at 980 nm, coupled to approximately 4 GHz frequency...

Comment on Detection of Microwave Spin Pumping Using the Inverse Spin Hall Effect

January 27, 2014

Author(s)

Thomas J. Silva, Mathias A. Weiler, Hans T. Nembach, Justin M. Shaw

In a recent Letter, Hahn et al. reported on the detection of an ac voltage in a yttrium iron garnet (YIG)/platinum (Pt) bilayer under the condition of...

Environmental Specimen Banks as a Resource for Mercury and Mercury Isotope Research in Marine Ecosystems

January 26, 2014

Author(s)

Russell D. Day, Paul R. Becker, O.F.X Donard, Rebecca S. Pugh, Stephen A. Wise

Environmental specimen banks (ESBs) have been a fundamental tool for many nations to monitor contaminant temporal and spatial trends, study fate and transport...

Stabilized Phospholipid Membranes in Chromatography: Towards Membrane Protein-Functionalized Stationary Phases

January 25, 2014

Author(s)

Elyssia S. Gallagher, Elisabeth Mansfield, Craig A. Aspinwall

Transmembrane protein (TMP)-functionalized analytical platforms represent a powerful new paradigm in chemical analysis. Of particular interest is the...

Optical phase-noise dynamics of Titanium:sapphire optical frequency combs

January 24, 2014

Author(s)

Qudsia Quraishi, Scott A. Diddams, Leo W. Hollberg

Stabilized optical frequency combs (OFC) can have remarkable levels of coherence across their broad spectral bandwidth. We study the scaling of the optical...

Optimally Focused Cold Atom Systems Obtained Using Density-Density Correlations

January 23, 2014

Author(s)

Ian B. Spielman, Andika Putra, Daniel Campbell, Ryan Price, Subhadeep De

Resonant absorption imaging is a common technique for detecting the two-dimensional column density of ultracold atom systems. In many cases, the systems...

Nanoscale mechanics by tomographic contact resonance atomic force microscopy

January 23, 2014

Author(s)

Gheorghe NMN Stan, Santiago Solares, Bede Pittenger, Natalia Erina, Chanmin Su

We report on a quantifiable depth-dependent contact resonance AFM (CR-AFM) measurements over polystyrene-polypropylene (PS-PP) polymer blends to detail surface...

Emissivity of Silver and Stainless Steel From 80 K to 300 K: Application to ITER Thermal Shields Temperatures

January 21, 2014

Author(s)

Solomon I. Woods, Timothy M. Jung, Dale R. Sears, Jie Yu

The emissivities of thermal shield mock-up samples for ITER have been measured at sample temperatures between 80 K and 300 K using an optical method employing a...

Exact solution of the thermodynamics and size parameters of a polymer confined to a lattice of finite size: Large chain limit

January 21, 2014

Author(s)

Chad R. Snyder, Charles M. Guttman, Edmund A. DiMarzio

We extend the exact solutions of the Di Marzio-Rubin matrix method for the thermodynamic properties, including chain density, of a linear polymer molecule...

Isolation of Specific Small Diameter Single-Wall Carbon Nanotube Species via Aqueous Two-Phase Extraction

January 21, 2014

Author(s)

Jeffrey A. Fagan, Constantine Y. Khripin, Carlos A. Silvera Batista, Jeffrey R. Simpson, Angela R. Hight Walker, Ming Zheng

Aqueous two-phase extraction (ATPE) is demonstrated to enable isolation of multiple semiconducting and metallic single-wall carbon nanotube species from a small...

Saponins: A sustainable surfactant. From its microwave-assisted extraction to the synthesis of monodisperse latices

January 21, 2014

Author(s)

Charlene Schnitt, Bruno Grassl, Julien C. Gigault, Vincent A. Hackley, Gaetane Lespes, Jacques Desbrieres, Virginie Pellerin, Stephanie Reynaud

Synthetic surfactants are widely used in emulsion polymerization, but it is increasingly desirable to replace them with naturally derived molecules with a...