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Journals

Magnetization and magnetoresistance of common alloy wires used in cryogenic instrumentation

April 16, 2007

Author(s)

Mike Abrecht, Andrew Adare, John (Jack) W. Ekin

We present magnetization and magnetoresistance data at liquid-helium and liquid-nitrogen temperatures for wire materials commonly used for instrumentation...

Conservative Confidence Intervals Based on Weighted Means Statistics

April 15, 2007

Author(s)

Andrew L. Rukhin

For weighted means estimators of the common mean of several normal populations associated (conservative) confidence intervals are constructed. These intervals...

Development of a House Dust Standard Reference Material for the Determination of Organic Contaminants

April 15, 2007

Author(s)

Dianne L. Poster, John R. Kucklick, Michele M. Schantz, Stacy S. Vander-Pol, Stefan D. Leigh, Stephen A. Wise

Elastic constants and internal friction of martensitic steel, ferritic-pearlitic steel, and α-iron

April 15, 2007

Author(s)

Sudook A. Kim, Ward L. Johnson

The elastic constants and internal friction of induction hardened and unhardened SAE 1050 plain-carbon steel were determined by acoustic resonance spectroscopy...

Cancellation of the Collisional Frequency Shift in Caesium Fountain Clocks

April 13, 2007

Author(s)

K Szymaniec, W Chalupczak, Eite Tiesinga, Carl J. Williams, S Weyers, R. Wynands

We have observed that the collisional frequency shift in primary caesium fountain clocks varies with the clock state population composition and, in particular...

Synthesis and Single-Crystal X-Ray Diffraction Studies of New Framework Substituted Type II Clathrates, Cs₈Na₁₆Ag_xGe_136-x (x

April 13, 2007

Author(s)

Matthew Beekman, Winnie Wong-Ng, James A. Kaduk, Alexander J. Shapiro, George S. Nolas

New inorganic type II clathrates with Ag atoms substituting for framework Ge atoms, Cs8Na16AgxGe136-x (x = 0, 5.9, and 6.7), have been synthesized by reaction...

Practical spatial resolution limits of high-resolution fibre Bragg grating sensors using layer peeling

April 13, 2007

Author(s)

Robert J. Espejo, Shellee D. Dyer

Inverse scattering methods such as layer peeling have been shown to reconstruct the longitudinal refractive index of fiber Bragg gratings with very high...

A Study of the Packing Density and Molecular Orientation of Bimolecular Self-Assembled Monolayers of Aromatic and Aliphatic Organosilanes on Silica

April 12, 2007

Author(s)

M B. Smith, K Efimenko, Daniel A. Fischer, S E. Lappi, P E. Kilpatrick, Jan Genzer

Bimolecular self-assembled monolayers (SAMs) of aromatic and aliphatic chlorosilanes were self-assembled onto silica and their characteristics were established...

Particle and Photon Detection for a Neutron Radiative Decay Experiment

April 11, 2007

Author(s)

Thomas R. Gentile, Maynard S. Dewey, Hans P. Mumm, Jeffrey S. Nico, Alan K. Thompson, T E. Chupp, R Cooper, B M. Fisher, I Kremsky, F E. Wietfeldt, K G. Kiriluk, E Beise

We present the particle and photon detection methods employed in a program to observe neutron radiative beta-decay. The experiment is located at the NG-6 beam...

Towards Industrial Scale Fabrication of Nanowire-Based Devices

April 11, 2007

Author(s)

Babak Nikoobakht

The key requirements for mass fabrication of nanodevices are directed positioning and alignment of nanoparticles (e.g., nanowires) with known registries on a...

Nonthermal continuum toward Sagittarius B2(N-LMH)

April 11, 2007

Author(s)

J M. Hollis, P R. Jewell, A Remijan, Francis J. Lovas

An analysis of continuum antenna temperatures observed in theGBTspectrometer bandpasses is presented for observations toward Sgr B2(N-LMH). Since 2004, we have...

Objective Test and Performance Measurement of Automotive Crash Warning Systems

April 10, 2007

Author(s)

Sandor S. Szabo, Richard J. Norcross, Joseph A. Falco

The National Institute of Standards and Technology (NIST), under an interagency agreement with the United States Department of Transportation (USDOT), is...

Measurement of excited-state transitions in cold calcium atoms by direct femtosecond frequency-comb spectroscopy

April 6, 2007

Author(s)

Jason Stalnaker, Yann LeCoq, Tara M. Fortier, Scott A. Diddams, Christopher W. Oates, Leo W. Hollberg

We apply direct frequency-comb spectroscopy, in combination with precision cw spectroscopy, to measure the 4s4 p 3P 1 – 4s5s transition frequency in cold...

Interphase Effects in Dental Nanocomposites Investigated by Small-Angle Neutron Scattering

April 6, 2007

Author(s)

K S. Wilson, Andrew J. Allen, N Washburn, Joseph M. Antonucci

Small angle neutron scattering (SANS) was used to assess nanoparticle dispersion morphologies and nanoscale interphase characteristics in polymer composites...

Controlled Synthesis of Single-Crystalline InN Nanorods

April 4, 2007

Author(s)

O M. Kryliouk, Hyun Jong Park, Y S. Won, T J. Anderson, A V. Davydov, J H. Kim, J A. Freitas, A Jaime

Polymeric Combinatorial Scaffold Libraries for Screening Cell-Biomaterial Interactions

April 3, 2007

Author(s)

Yanyin Yang, Matthew Becker, J Kohn, Carl G. Simon Jr.

A Uniaxial BioMEMS Device for Quantitative Force-Displacement Measurements

April 3, 2007

Author(s)

David Serrell, Tammy L. Oreskovic, Andrew Slifka, Roop L. Mahajan, Dudley Finch

There is a need for experimental techniques that allow the simultaneous imaging of cellular cystoskeletal components with quantitative force measurements on...

AC-DC Transfer Standard Measurements with an AC Josephson Voltage Standard

April 2, 2007

Author(s)

Samuel P. Benz, Charles J. Burroughs, Paul D. Dresselhaus, Norman F. Bergren, Thomas E. Lipe, Joseph R. Kinard Jr., Yi-hua Tang

In order to improve the NIST low-voltage calibration service for thermal voltage converters, we have constructed an ac Josephson voltage standard system that...

Force transmission errors in magnetic suspension densimeters

April 2, 2007

Author(s)

Mark O. McLinden, R Kleinrahm, W Wagner

We present techniques to determine and compensate for the force transmission error (FTE), including the effects of magnetic fluids, in magnetic suspension...

Final Report: Key Comparison CCQM Pilot Ka35: Determination of Sulfur in Diesel Fuel

April 2, 2007

Author(s)

William R. Kelly, Robert D. Vocke Jr., Jacqueline L. Mann, Gregory C. Turk

The CCQM-K35 Key Comparison was organized by the Inorganic Analysis Working Group (IAWG) of the CCQM to test the capabilities of National Metrological...

Electrodeposition of Bismuth From Nitric Acid Electrolyte

April 2, 2007

Author(s)

E Sandnes, Maureen E. Williams, Ugo Bertocci, Mark D. Vaudin, Gery R. Stafford

The electrodeposition of Bi from acidic nitrate solution was examined. Bismuth deposition was determined to be quasi-reversible on Au, with a current efficiency...

Statistical Interpretation of Key Comparison Degrees of Equivalence Based on Distributions of Belief

April 2, 2007

Author(s)

Blaza Toman

In a Key Comparison experiment, the Mutual Recognition Arrangement (MRA) requires the calculation of the Degrees of Equivalence (DoE) and the accompanying...

First-Principles Calculation of the Air-Water Second Virial Coefficient

April 2, 2007

Author(s)

Allan H. Harvey, Peter H. Huang

Recent theoretical work has produced quantitatively accurate potential-energy surfaces for water with common gases. These pair potentials have been used to...

THE DEBYE FLUID STATE EQUATION

April 2, 2007

Author(s)

V. Arp, Yonghua Huang, Ray Radebaugh, G.B. Chen

We describe a new form of a fluid state equation, based on a conceptual extrapolation from the Debye equation for the specific heat of solid materials. The...

Fragmentation of Leucine Enkephalin as a Function of Laser Fluence in a MALDI TOF-TOF

April 2, 2007

Author(s)

Jennifer M. Campbell, Stephen Stein, Paul S. Blank, Jonathan Epstein, Marvin L. Vestal, Alfred L. Yergey

The effects of laser fluence on ion formation in MALDI was studied using a tandem TOF mass spectrometer using a Nd-YAG laser and alpha-cyano hydrocinnamic acid...

The NIST Research Library's Experience: Using Focus Groups in Strategic Planning

April 1, 2007

Author(s)

Nancy Allmang, Mylene S. Ouimette

This article describes how librarians at the Research Library at the National Institute of Standards and Technology planned and conducted focus group interviews...

Cost-Effective Commissioning for Buildings-Latest Developments in EDBCS Annex 47

April 1, 2007

Author(s)

Natascha S. Milesi-Ferretti

NIST Sampling System for Accurate AC Waveform Parameter Measurements

April 1, 2007

Author(s)

David I. Bergman

This paper summarizes efforts at the National Institute of Standards and Technology to develop a waveform sampling and digitizing system with accuracy...

A Refinement-tree Based Partitioning Method for Dynamic Load Balancing with Adaptively Refined Grids

April 1, 2007

Author(s)

William F. Mitchell

The partitioning of an adaptive grid for distribution over parallel processors is considered in the context of adaptive multilevel methods for solving partial...

Multiwall carbon nanotube absorber on a thin-film pyroelectric detector

April 1, 2007

Author(s)

John H. Lehman, Katie Hurst, Anne Dillon, A. M. Radojevic, R M. Osgood

Multiwall carbon nanotubes (MWNTs) were applied in a bulk layer to a pyroelectric film to increase the detector sensitivity nearly fourfold without a...

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