Journals

Electronic Measurement of the Boltzmann Constant with a Quantum-Voltage-Calibrated Johnson-Noise Thermometer

November 22, 2009

Author(s)

Samuel P. Benz, D. R. White, Jifeng Qu, Horst Rogalla, Weston L. Tew

Currently, the CODATA value of the Boltzmann constant is dominated by a single gas-based-thermometry measurement with a relative uncertainty of 1.8 ձ0^-6. This

Enhancing MC3T3-E1 Osteoblast Proliferation Using Immobilized Osteogenic Growth Peptide on Gradient Substrates Synthesized via Click Chemistry

November 22, 2009

Author(s)

Nicole M. Moore, Nancy J. Lin, Matthew Becker

Creating Polarization-Entangled Photon Pairs from a Semiconductor Quantum Dot Using the Optical Stark Effect

November 20, 2009

Author(s)

Andreas Muller, Wei Fang, John R. Lawall, Glenn S. Solomon

An entangled photon pair is a purely nonclassical, inseparable state of two light quanta. Because of its atom-like properties, a semiconductor quantum dot is an

Practical Interdomain Routing Security

November 20, 2009

Author(s)

David R. Kuhn, Simon Liu, Hart Rossman

This article reviews risks and vulnerabilities in interdomain routing, and best practices that can have near-term benefits for routing security. It includes

Distinguishing Tunneling Pathways For Two Chiral Conformer Pairs Of 1,3-Propanediol From The Microwave Spectrum

November 19, 2009

Author(s)

Francis J. Lovas, Brooks H. Pate, Justin L. Neill, Matt T. Muckle, Anthony J. Remijan

Using both a cavity and a broadband microwave spectrometers, the microwave spectrum of the sugar alcohol 1,3-propanediol (CH2OHCH2CH2OH) has been measured over

Effect of microstructure on magnetic properties and anisotropy distributions in Co/Pd thin films and nanostructures

November 19, 2009

Author(s)

Justin M. Shaw, Hans T. Nembach, Thomas J. Silva, Stephen E. Russek, Roy H. Geiss

The structure of Co/Pd multilayers has a strong effect on the localized anisotropy distribution within a film and the resulting switching properties of

Hy-CI Study of the 2 doublet S Ground State of Neutral Lithium and the First Five excited doublet S States

November 19, 2009

Author(s)

James S. Sims, Stanley A. Hagstrom

High precision Hylleraas-Configuration Interaction (Hy-CI) method variational calculations are reported for the 2 doublet S ground state of neutral lithium. The

Thermodynamic properties of three-ring aza-aromatics.2. Experimental results for 1,10-phenanthroline, phenanthridine, and 7,8-benzoquinoline, and mutual validation of experiments and computational methods

November 18, 2009

Author(s)

Robert D. Chirico, Andrei F. Kazakov, William V. Steele

Measurements leading to the calculation of standard entropies for 1,10-phenanthroline (Chemical Abstracts registry number [66-71-7]) in the crystal, liquid, and

Thermodynamic properties of three-ring aza-aromatics: 1. Experimental results for phenazine and acridine, and mutual validation of experiments and computational methods

November 18, 2009

Author(s)

Robert D. Chirico, Andrei F. Kazakov, William V. Steele

Measurements leading to the calculation of thermodynamic properties for phenazine (Chemical Abstracts registry number [92-82-0]) in the ideal-gas state are

High contract femtosecond laser-driven intense hard X-ray source for imaging application

November 18, 2009

Author(s)

Lawrence T. Hudson, L.M Chen, W.M. Wang, M. Kando, F Liu, X.X. Lin, J.L Ma, Y.T. Li, S.V. Bulanvo, T. Tajima, Y. Kato, Z.M. Sheng, J Zhang

In this report we address the current situation of laser-driven hard X-ray sources for imaging applications,especially the saturation of X-ray conversion

Improving the Biocompatibility of Thermo-Sensitive Poly(N-Isopropyl Acrylamide) Nanoparticles for Drug Delivery

November 18, 2009

Author(s)

Thuy Chastek, Aniket Wadajkar, Kytai T. Nguyen, Steven Hudson, Thomas Q. Chastek

We report on the synthesis of monodisperse thermally responsive poly(N-isopropylacrylamide) (PNIPAM) nanoparticle hydrogels (i.e., microgels). PNIPAM microgels

The Composition Explicit Distillation Curve Technique: Relating Chemical Analysis and Physical Properties of Complex Fluids

November 17, 2009

Author(s)

Thomas J. Bruno, Lisa S. Ott, Tara M. Lovestead, Marcia L. Huber

The analysis of complex fluids such as crude oils, fuels, vegetable oils and mixed waste streams poses significant challenges arising primarily from the

A Statistic That Identifies Errant Standard Preparation and Instrument Non-linearity Demonstrated With Mercury Standards Prepared by Blending NIST Fossil Fuel CRMs of Similar Matrices

November 16, 2009

Author(s)

Bruce S. MacDonald, John L. Molloy, Stefan D. Leigh, William R. Kelly, Andrew L. Rukhin

Interval-repeatability (Ir) is a statistic that users of certified reference materials (CRMs) may employ as a quality control check to identify incorrectly

Quasi-phasematched Second Harmonic Generation in GaAs Microdisks

November 15, 2009

Author(s)

Paulina S. Kuo, W Fang, Glenn S. Solomon

We discuss design and tuning of second-harmonic generation in GaAs microdisks. Quasi-phasematching can be achieved in the microdisk geometry without external

Realization of a programmable two-qubit quantum processor

November 15, 2009

Author(s)

David Hanneke, Jonathan Home, John D. Jost, Jason Amini, Dietrich G. Leibfried, David J. Wineland

The universal quantum computer is a device that could simulate any physical system and represents a major goal for the field of quantum information science

Enhanced Mass Transport in Ultra-Rapidly-Heated Ni/Si Thin-Film Multilayers

November 15, 2009

Author(s)

Lawrence P. Cook, Richard E. Cavicchi, Nabil Bassim, Susie Eustis, Winnie Wong-Ng, Igor Levin, Ursula R. Kattner, Carelyn E. Campbell, Christopher B. Montgomery, William F. Egelhoff Jr., Mark D. Vaudin

We have investigated multilayer and bilayer Ni/Si thin films by nano-differential scanning calorimetry (DSC) at ultra rapid scan rates, in a temperature-time

A Benchmark Study on the Thermal Conductivity of Nanofluids

November 13, 2009

Author(s)

Jacopo Buongiorno, David Venerus, Naveen Prabhat, Thomas McKrell, Jessica Townsend, Rebecca Christianson, Yuriy Tolmachev, Pawel Keblinski, Lin-wen Hu, Jorge Alvarado, In Cheol Bang, Sandra Bishnoi, Marco Bonetti, Frank Botz, Anselmo Cecre, Yun Chang, Gang Chen, Haisheng Chen, Sung Jae Chung, Minking Chyu, Sarit Das, Roberto Di Paola, Yulong Ding, F. Dubois, Grzegorz Dzido, Jacob Eapen, Werner Escher, Denis Funfschilling, Quentin Galand, Jinwei Gao, Patricia Gharagozloo, Kenneth Goodson, Jorge Gustova Jin, Haiping Hong, Mark Horton, Carlo Iorio, Andrzej Jarzebski, Yiran Jiang, L.W. Jin, Stephan Kabelac, Aravind Kamath, Mark A. Kedzierski, Chongyoup Kim, Ji Hyun Kim, Sukwon Kim, Lim Geok Kieng, K Leong, Indranil Manna, Bruno Michel, Rui Ni, Hrishikesh Patel, John Philip, Dimos Poulikakos, Cecile Reynaud, Raffaele Savino, Pawan Singh, Pengxiang Song, T. Sundararajan, Elena Timofeeva, Todd Tritcak, A.N. Turanov, Stefan Van Vaerenbergh, Dongsheng Wen, Sanjeeva Witharana, Charles Chun Yang, W.-H. Yeh, Xiao-Zheng Zhao, Sheng-Qi Zhou

This article reports on the International Nanofluid Property Benchmark Exercise (INPBE) in which the thermal conductivity of identical samples of colloidal

Density and Speed of Sound Measurements of 1- and 2-Butanol

November 12, 2009

Author(s)

Stephanie L. Outcalt, Arno R. Laesecke, Tara J. Fortin

The density and speed of sound of 1- and 2-butanol have been measured using two instruments. Both instruments use the vibrating-tube method for measuring

Superconducting nanowire single-photon detector in an optical stack for front-side illumination

November 12, 2009

Author(s)

Burm Baek, Jeffrey A. Stern, Sae Woo Nam

We have integrated superconducting nanowire single-photon detectors SNSPDs with an optical cavity design for front-side illumination. Our optical cavity design

Lysozyme Protein Solution with an Intermediate Range Order Structure

November 10, 2009

Author(s)

Yun Liu, Lionel Porcar, Jinhong Chen, Wei-Ren Chen, Peter Falus, Antonio Faraone, Emiliano Fratini, Piero Baglioni

The formation of equilibrium clusters has been studied in both prototypical colloidal system and protein solution. The appearance of a low-Q correlation peak in

Effect of Cluster Ion Analysis Fluence on Interface Quality in SIMS Molecular Depth Profiling

November 10, 2009

Author(s)

Christopher Szakal, Steven Hues, J Greg Gillen, Joe Bennett

Cluster ion beams are being routinely utilized in secondary ion mass spectrometry (SIMS) for molecular depth profiling analyses, including the generation of

Observations of Transient Flooding in a Proton Exchange Membrane Fuel Cell Using Time-Resolved Neutron Radiography

November 10, 2009

Author(s)

Michael A. Hickner, Nathan P. Siegel, Ken S. Chen, Daniel S. Hussey, David L. Jacobson

The generation and transport of water in both the liquid and gas phases during device operation is an important area of study to understand both steady-state

Mode Expansion and Bragg Filtering Enable a High-Fidelity Fiber-Based Photon-Pair Source

November 9, 2009

Author(s)

Alexander E. Ling, Jun Chen, Jingyun Fan, Alan L. Migdall

We report the development of a fiber-based single spatial mode source of photon-pairs where the efficiency of extracting photon-pairs is 15x better than a

E-glass/DGEBA/m-PDA single fiber composites: New insights into the statistics of fiber fragmentation

November 9, 2009

Author(s)

Jae Hyun Kim, Gale A. Holmes, Stefan D. Leigh

Development of secondary standards for radium-223

November 5, 2009

Author(s)

Denis E. Bergeron, Brian E. Zimmerman, Jeffrey T. Cessna

223Ra is a bone-seeking alpha emitter, and as such is currently being evaluated as a radiopharmaceutical for the treatment of skeletal metastases. In the

Mass transfer in two-phase microchannel flows

November 4, 2009

Author(s)

Jeffrey D. Martin, Steven D. Hudson

Drop-based microfluidic devices are becoming more common and molecular mass transfer and drop circulation are issues that affect the performance of such devices

Optical frequency stabilization of a 10 GHz Ti:sapphire frequency comb by saturated absorption spectroscopy in 87Rubidium

November 4, 2009

Author(s)

Dirk Heinecke, Albrecht Bartels, Tara M. Fortier, Danielle Braje, Leo Hollberg, Scott A. Diddams

The high power per mode of a recently-developed 10 GHz femtosecond Ti:sapphire frequency comb permits nonlinear Doppler-free saturation spectroscopy in

Transport in Electromagnetic Metrology Based on Nonequilibrium Statistical Mechanics

November 3, 2009

Author(s)

James R. Baker-Jarvis, Jack T. Surek

Current research is probing transport on ever smaller scales. Modeling of the electromagnetic interaction with nanoparticles or small collections of dipoles and

A Microscope of Glassy Relaxation in Femtogram Samples: Charge Offset Drift in the Single Electron Transistor

November 3, 2009

Author(s)

Neil M. Zimmerman, William Huber

By measuring the long-term charge offset drift in single electron tunneling transistors, we have observed a transient relaxation after fabrication which is

Radiofrequency dressing of multiple Feshbach resonances

November 3, 2009

Author(s)

A M. Kaufman, R P. Anderson, Thomas Hanna, Eite Tiesinga, Paul S. Julienne, D S. Hall

We demonstrate and explain the coupling of several proximate Feshbach resonances in $^87}$Rb using radiofrequency (rf) radiation. We present accurate