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Journals

Your Homework Assignment Monte Carlo Minimization and Counting: One, Two, ..., Too Many

March 30, 2007

Author(s)

Isabel M. Beichl, Dianne M. O'Leary, Francis Sullivan

This is a tutorial article on Monte Carlo methods for optimization. Topics covered include Lipschitz conditions, simulated annealing and combinatorial counting...

Ionization of Silicon, Germanium, Tin and Lead by Electron Impact

March 30, 2007

Author(s)

Yong Sik Kim, Philip M. Stone

Cross sections for electron impact ionization of neutral atoms are important in modeling of low temperature plasmas and gases. Cross sections for ionization...

Development of the NIST Rocky Flats Soil Standard

March 29, 2007

Author(s)

Svetlana Nour, James J. Filliben, Kenneth G. Inn

The National Institute of Standards and Technology (NIST) Rocky Flats Soil-II Standard Reference Material (SRM) is being certified through a statistical...

Investigation of Radioactivity in Selected Drinking Water Samples From Maryland

March 29, 2007

Author(s)

Iisa Outola, Svetlana Nour, Hiromu Kurosaki, Kenneth G. Inn, J J. La Rosa, Larry L. Lucas, Peter Volkovitsky, Kevin Koepenick

In 2004, levels of radioactivity exceeding federal drinking water standards were found in two separate areas of Maryland through gross alpha and beta screening...

Crystallization of Polyethylene Oxide Patterend by Nanoimprint Lithography

March 28, 2007

Author(s)

Brian C. Okerberg, Christopher L. Soles, Jack F. Douglas, Hyun Wook Ro, Alamgir Karim

The crystallization behavior of poly(ethylene oxide) (PEO) films patterned by nanoimprint lithography is studied. The imprinted PEO film consists of parallel...

EUV Spectroscopy of Highly Charged Xenon Ions Created Using an Electron Beam Ion Trap

March 27, 2007

Author(s)

K Fahy, E Sokell, G O'Sullivan, A Aguilar, Joshua M. Pomeroy, Joseph N. Tan, John D. Gillaspy

At the NIST Electron Beam Ion Trap (EBIT), extreme-ultraviolet spectra of xenon ions have been recorded using a flat-field spectrometer. The electron beam...

Comment on the CASIA v1 Iris Dataset

March 26, 2007

Author(s)

P J. Phillips, K W. Bowyer, P J. Flynn

The paper by Ma et al. [1] made a number of contributions to iris recognition including a novel iris recognition algorithm, a benchmark of standard approaches...

Manifestation of Anisotropy in Melting Systematics of Rba₂Cu₃O_7-delta (R= lanthandies)

March 26, 2007

Author(s)

H Su, D O. Welch, Winnie Wong-Ng, Lawrence P. Cook, Z Yang

The conventional Debye temperature, customarily estimated using an isotropic approximation, fails to account for the trend of melting temperatures for the high...

Systematic Investigation of Porogen Size and Content on Scaffold Morphometric Parameters and Properties

March 24, 2007

Author(s)

James A. Cooper, Forrest A. Landis, Marcus T. Cicerone, Sheng Lin-Gibson

Abstract (2000 characters maximum - spell out acronyms the first time) A systematic investigation of the structures and properties of tissue engineering...

Bubble Nucleation and Growth Anomaly for a Hydrophilic Microheater Attributed to Metastable Nanobubbles

March 23, 2007

Author(s)

Richard E. Cavicchi, C Avedisian

Nanobubbles on a hydrophilic surface immersed in water are inferred from the response of the surface to two consecutive heat pulses with a variable separation...

Broadband Electrical Characterization of Multiwalled Carbon Nanotubes and Contacts

March 22, 2007

Author(s)

Thomas M. Wallis, Stephen E. Russek, Pavel Kabos, Paul Rice

The electrical response of an individual multiwalled carbon nanotube (MWNT) and its contacts, welded to a coplanar waveguide (CPW), was measured up to 24 GHz...

N-Nitrosation of Amines by NO₂ and NO: A Theoretical Study

March 22, 2007

Author(s)

Yi-Lei Zhao, Stephen L. Garrison, Carlos A. Gonzalez, William D. Thweatt, M Marquez

Gas-phase nitrosation implies an alternative non-ionic pathway different from the nitrosonium-nitrosation by acidification of nitrite. Electronic structure...

Broadband Electrical Characterization of Multiwalled Carbon Nanotubes and Contacts

March 22, 2007

Author(s)

Paul Rice, T. M. Wallis, Stephen E. Russek, Pavel Kabos

We have welded an individual multiwalled carbon nanotube (MWNT) onto a microlithographically-patterned coplanar waveguide (CPW) and measured the electrical...

Contrasting Oxide Crystal Chemistry of Nb and Ta. The Structures of the Hexagonal Bronzes BaTa₂O₆ and Ba_0.93Nb₂.03^O₆

March 22, 2007

Author(s)

W G. Mumme, I E. Grey, Robert S. Roth, Terrell A. Vanderah

The crystal structures of the title phases have been determined as part of a general study of the photoelectrochemical activities of niobates and tantalates...

Environment-Controlled Spin Coating to Orient Microdomains in Thin Block Copolymer Films

March 20, 2007

Author(s)

Sangcheol Kim, R M. Briber, Alamgir Karim, Ronald L. Jones, H C. Kim

We demonstrate a simple and fast methodology to control the orientation of cylindrical microdomains in thin block copolymer films using environment-controlled...

A Broadband High Spectral Brightness Fiber-Based Two-Photon Source

March 19, 2007

Author(s)

Jingyun Fan, Alan L. Migdall

After characterizing the Raman scattering in a fused silica polarization-maintaining microstructure optical fiber, we built a fiber-based two-photon light...

High Carrier Mobility Polythiophene Thin Films: Structure Determination by Experiment and Theory

March 19, 2007

Author(s)

Dean M. DeLongchamp, Regis J. Kline, Eric K. Lin, Daniel A. Fischer, Lee J. Richter, Leah A. Lucas, Martin Heeney, Iain McCulloch, John E. Northrup

We exploit the unprecedented crystallinity of poly(2,5-bis(3-alkylthiophene-2-yl)thieno[3,2-b]thiophenes) (pBTTTs) high performance semiconducting polymers to...

Mid-Infrared Imaging With a Solid Immersion Lens and Broadband Laser Source

March 19, 2007

Author(s)

Chris A. Michaels

An approach to increasing the spatial resolution attainable with infrared (IR) microscopy involves the application of hemispherical solid immersion lenses (SIL)...

Estimation of Kov ts Retention Indices Using Group Contributions

March 17, 2007

Author(s)

Stephen E. Stein, Valeri I. Babushok, Robert L. Brown, Peter J. Linstrom

We have constructed a group contribution method for estimating Kov ts retention indices by using observed data from a set of diverse organic compounds. Our...

Ordering in Poly (3-alkylthiophene) Thin Films Determined with Polarized Optical Spectroscopies

March 16, 2007

Author(s)

M C. Gurau, Dean DeLongchamp, Brandon M. Vogel, Eric K. Lin, Daniel A. Fischer, S Sambasivan, Lee J. Richter

Asymmetrical Domain Nucleation and Unusual Magnetization Reversal of Ultrathin Co Films and Co/Pt Multilayers With Perpendicular Anisotropy

March 16, 2007

Author(s)

Yu L. Iunin, Yury P. Kabanov, Valerian I. Nikitenko, X M. Cheng, Alexander J. Shapiro, Robert D. Shull, C L. Chien

The features of magnetization reversal in Pt/[CO/Pt]_n}/Pt multilayers (n = 1, 2, 4) have been studied using magneto-optical Kerr microscopy. Asymmetric...

Wafer-Level Filling of Microfabricated Atomic Vapor Cells Based on Thin-Film Deposition and Photolysis of Cesium Azide

March 15, 2007

Author(s)

Li-Anne Liew, John M. Moreland, V Gerginov

The thin-film deposition and photodecomposition of cesium azide are demonstrated and used to fill arrays of miniaturized atomic resonance cells with cesium and...

Absolute frequency measurement of the neutral ⁴⁰Ca optical frequency standard at 657 nm based on microkelvin atoms

March 14, 2007

Author(s)

G Wilpers, Christopher W. Oates, Scott A. Diddams, A Bartels, Tara M. Fortier, Windell Oskay, James C. Bergquist, Steven R. Jefferts, Thomas P. Heavner, Thomas E. Parker, Leo W. Hollberg

We report an absolute frequency measurement of the optical clock transition at 657 nm in 40Ca with a relative uncertainty of 7.5x10 -15, the most accurate...

Estimating Common Vector Parameters in Interlaboratory Studies

March 13, 2007

Author(s)

Andrew L. Rukhin

The primary goal of this work is to extend two methodsof random effects models to multiparameter situation. These methods comprise the DerSimonian-Laird...

Phase Equilibria of BaO-R₂O₃-CuO_z Systems (R=Y and Lanthanides) Under CO₂-Free Conditions

March 13, 2007

Author(s)

Winnie K. Wong-Ng, Z Yang, Lawrence P. Cook, Julia Frank, Mario Loung, Qingzhen Huang

For applications of phase equilibria to the processing of second-generation high Tc superconductor-coated-conductors, phase diagrams constructed under carbonate...

Substrate Surface Energy Dependent Morphology and Dewetting In An ABC Triblock Copolymer Film

March 13, 2007

Author(s)

Thomas Epps, Dean M. DeLongchamp, Michael J. Fasolka, E Jablonski, Daniel A. Fischer

Substrate surface energy dependent morphology and dewetting in an ABC triblock copolymer

March 13, 2007

Author(s)

Thomas Epps, Dean M. DeLongchamp, Michael J. Fasolka, E Jablonski, Daniel A. Fischer

Numerical Path-Integration Technique for the Calculation of Transport Properties

March 13, 2007

Author(s)

E Kang, M Mansfield, Jack F. Douglas

We present a new technique for the computation of both the translational diffusivity and the intrinsic viscosity of macromolecules, and apply it here to...

An Athena Validation Pilot Showcase for Automotive Industry

March 12, 2007

Author(s)

Nenad Ivezic, Pat Snack

The Automotive Industry Action Group- (AIAG) led consortium, formed to execute an ATHENA project validation pilot, demonstrated initial results at the AIAG...

Higher-Order Boundary-Diffraction-Wave Formulation

March 11, 2007

Author(s)

Eric L. Shirley

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