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Journals

GaN Nanowires Grown by Molecular Beam Epitaxy

August 1, 2011

Author(s)

Kristine A. Bertness, Norman A. Sanford, Albert Davydov

The unique properties of GaN nanowires grown by molecular beam epitaxy are reviewed. These properties include the absence of residual strain, exclusion of most

Effect of Alternating Ar and SF6/C4F8 Gas Flow in Si Nano-Structure Plasma Etching

August 1, 2011

Author(s)

Lei Chen, Vincent K. Luciani, Houxun H. Miao

Si is very reactive to normal plasma etchants such as fluorine based chemicals and the reactions are inherently isotropic. To fabricate small and/or high aspect

Plasma Etching Uniformity Control for Making Large and Thick Dual-Focus Zone Plates

August 1, 2011

Author(s)

Lei Chen, Quandou (. Wang, Ulf Griesmann

A typical zone plate structure is composed of concentric rings with a radially decreasing feature size such that the path of light through every second zone to

On the Relationship Between Deformation-Induced Surface Roughness and Plastic Strain in AA5052 Is it Really Linear?

August 1, 2011

Author(s)

Mark R. Stoudt, Joseph B. Hubbard, Stefan D. Leigh

Three different heat treatments of aluminum alloy AA5052 were subjected to various levels of uniaxial plastic strain. The resulting surface topographies were

Optimization of Cement and Fly Ash Particles to Produce Sustainable Concretes

August 1, 2011

Author(s)

Dale P. Bentz, Andrew Hansen, John Guynn

In the drive to produce more sustainable concretes, considerable emphasis has been placed on replacing cement in concrete mixtures with more sustainable

First in a Series on the Evolution of Time Measurement: Celestial, Flow, and Mechanical Clocks

August 1, 2011

Author(s)

Michael A. Lombardi

A historical article about early clocks and time measurements (Part I of a IV-part series). It describes a number of different types of early clocks including

A Special Functions Handbook for the Digital Age

August 1, 2011

Author(s)

Ronald F. Boisvert, Charles W. Clark, Daniel W. Lozier, Frank W. Olver

The NIST Digital Library of Mathematical Functions (DLMF) is a reference work providing information on the properties of the special functions of applied

Development of a Seebeck Coefficient Standard Reference Material (SRM)

August 1, 2011

Author(s)

Nathan Lowhorn, Winnie Wong-Ng, John Lu, Joshua B. Martin, Martin L. Green, John E. Bonevich, Evan L. Thomas, Neil Dilley, Jeff Sharp

We have successfully developed a Seebeck coefficient Standard Reference Material (SRM), Bi2Te3, that is essential for interlaboratory data comparison and for

STR Sequence Analysis for Characterizing Normal, Variant, and Null Alleles

August 1, 2011

Author(s)

Margaret C. Kline, Carolyn R. Steffen, John M. Butler, Amy Decker

DNA sequence variation is known to exist in and around the repeat region of short tandem repeat (STR) loci used in human identity testing. While the vast

Concordance and Population Studies along with Stutter and Peak Height Ratio Analysis for the PowerPlex® ESX 17 and ESI 17 Systems

August 1, 2011

Author(s)

Carolyn R. Steffen, David L. Duewer, Margaret C. Kline, John M. Butler

The PowerPlex® ESX 17 and ESI 17 Systems for short tandem repeat (STR) amplification were developed by the Promega Corporation to meet the European Network of

The effect of urban trees on the rental price of single-family homes in Portland, Oregon

August 1, 2011

Author(s)

Geoffrey Donovan, David Butry

Few studies have estimated the effect of environmental amenities on the rental price of houses. We address this gap in the literature by quantifying the effect

Impact of Gd dopants on current polarization and the resulting effect on spin-transfer velocity in Permalloy wires

August 1, 2011

Author(s)

Rebecca L. Thomas, Meng Zhu, Cindi L. Dennis, Veena Misra, Robert McMichael

A spin-wave Doppler technique is used to measure the spin-transfer velocity and the current polarization in current-carrying (Ni80Fe20)1-xGdx alloy wires

Effect of sample conditioning on the water absorption of concrete

August 1, 2011

Author(s)

Javier Castro, Dale P. Bentz, Jason Weiss

ASTM C1585 is commonly used to determine the absorption and rate of absorption of water in unsaturated hydraulic cement concretes. ASTM C1585 preconditions the

The sixth industrial fluid properties simulation challenge

July 28, 2011

Author(s)

F Case, Anne M. Chaka, Jonathan D. Moore, Raymond D. Mountain, Richard B. Ross, Vincent K. Shen, Eric A. Stahlberg

The sixth industrial fluid properties simulation challenge was held in 2010. The contestants were challenged to predict mutual solubility in liquid-liquid

CsTe₂O_6-x: Novel Mixed-Valence Tellurium Oxides with Framework-Deficient Pyrochlore-Related Structure

July 27, 2011

Author(s)

Theeranun Siritanon, Jun Li, Judith K. Stalick, Robin T. Macaluso, Arthur W. Sleight, M. A. Subramanian

Structures of CsTe 2O 6-x phases were investigated by single crystal X-ray diffraction and neutron powder diffraction. Stoichiometric CsTe 2O 6 is a mixed

Single-Photon Sources and Detectors

July 27, 2011

Author(s)

M D. Eisaman, Jingyun Fan, Alan L. Migdall, Sergey Polyakov

We review the current status of single-photon-source and single-photon-detector technologies operating at wavelengths from the ultraviolet to the infrared. We

Unification of universal and non-universal topological quantum computation

July 26, 2011

Author(s)

Haitan Xu, Jacob Taylor

Approaches for implementing primitives for quantum computation using Read-Reyazi anyons remain computational difficult to find. We demonstrate how recently

Supplementary comparison CCR(IK)-S2 of standards for absorbed dose to water Co-60 gamma radiation at radiation processing dose levels

July 25, 2011

Author(s)

Marc F. Desrosiers, D T. Burns, P J. Allisy-Roberts, P H. Sharpe, M. Pimpinella, V. Lourenco, Y. L Zhang, A Miller, V Generalova, V. Sochor

Eight national standards or absorbed dose to water in Co-60 gamma radiation at the dose levels used in radiation processing have been compared over the range

A circular dielectric grating for vertical extraction of single quantum dot emission

July 25, 2011

Author(s)

Marcelo I. Davanco, Matthew T. Rakher, Dieter Schuh, Antonio Badolato, Kartik A. Srinivasan

We demonstrate a suspended circular grating composed of partially etched annular trenches in a thin GaAs membrane, designed for e±cient and moderately broadband

A fitting program for molecules with two inequivalent methyl tops and a plane of symmetry at equilibrium. Application to new microwave and millimeter-wave measurements in methyl acetate

July 25, 2011

Author(s)

Marcela Tudorie, Isabelle Kleiner, Jon T. Hougen, Sonia Melandri, Lilian Sutikdja, Wolfgang Stahl

A program for fitting the high-resolution torsion-rotation spectra of molecules having two inequivalent methyl rotors and a plane of symmetry at equilibrium is

Detecting Gravesoil from Headspace Analysis with Adsorption on Short Porous Layer Open Tubular (PLOT) Columns

July 23, 2011

Author(s)

Tara Lovestead, Thomas J. Bruno

Victims of crimes are often buried in clandestine graves. There are several techniques for finding buried bodies or the scattered remains of a victim; however

Vetting Mobile Apps

July 22, 2011

Author(s)

Stephen Quirolgico, Jeffrey M. Voas, David R. Kuhn

Billions of copies of apps for mobile devices have been purchased in recent years. With this growth, however, comes an increase in the spread of potentially

A Dynamic Calibration Approach for Determining Catechins and Gallic Acid in Green Tea Using LC-ESI/MS

July 22, 2011

Author(s)

Mary Bedner, David L. Duewer

Catechins and gallic acid are antioxidant constituents of Camellia sinensis, or green tea. Liquid chromatography with both ultraviolet (UV) absorbance and

Large Scale Structures in Tetrahydrofuran-Water Mixture with a Trace Amount of Antioxidant Butylhydroxytoluene (BHT)

July 22, 2011

Author(s)

Zhiyong Li, He Cheng, Junyu Li, Jinkun Hao, Li Zhang, Boualem Hammouda, Charles C. Han

Due to the closed-loop phase diagram of tetrahydrofuran (THF) - water mixture, THF aqueous solution naturally exhibits concentration fluctuation near the phase

Comparison of FANS and ARCS Incoherent Inelastic Neutron Scattering Measurements of Hydrogen Trapped at Dislocations in Deformed Pd

July 22, 2011

Author(s)

Hyunsu Ju, Brent J. Heuser, D. Abernathy, Terrence J. Udovic

Incoherent inelastic neutron scattering (IINS) measurements of the vibrational density of states (VDOS)of hydrogen trapped at dislocations in deformed PdH 0

Highly Selective GaN-nanowire/TiO2-nanocluser Hybrid Sensors for Detection of Benzene and Related Environment Pollutants

July 22, 2011

Author(s)

Geetha G. Aluri, Abhishek Motayed, Albert Davydov, Vladimir Oleshko, Kristine A. Bertness, Norman Sanford

Nanowire-nanocluster hybrid chemical sensors were realized by functionalizing gallium nitride (GaN) nanowires with titanium dioxide (TiO2) nanoclusters for

Diamagnetic correction to the ⁹Be⁺ ground-state hyperfine constant

July 21, 2011

Author(s)

Nobuyasu Shiga, Wayne M. Itano, John J. Bollinger

We report an experimental determination of the diamagnetic correction to the 9Be + ground state hyperfine constant A. We measured A = −625 008 837.371(11) Hz at

O2 A-band line parameters to support atmospheric remote sensing. Part II: The rare isotopologues

July 21, 2011

Author(s)

Joseph T. Hodges, David A. Long, Daniel K. Havey, S. S. Yu, M Okumura, Charles E. Miller

Frequency-stabilized cavity ring-down spectroscopy (FS-CRDS) was employed to measure over 100 transitions in the R-branch of the b1Σg+←X3Σg-(0,0) band for the

IEEE RAS Standing Committee for Standards Activities: History and Status Update

July 21, 2011

Author(s)

Rajmohan Madhavan, Wonpil Yu, C Biggs, Craig I. Schlenoff, Hui-Min Huang

The Standing Committee for Standards Activities (SCSA) under the Industrial Activities Board (IAB) of the IEEE Robotics and Automation Society (RAS) is working

Organic photovoltaic bulk heterojunctions with spatially varying composition.

July 21, 2011

Author(s)

Paul M. Haney

We consider models of organic bulk heterojunction photovoltaics with spatially varying compo- sition of donor/acceptor materials. We find analytic expressions

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