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Journals

A New Fabrication Process for Planar Thin-Film Multijunction Thermal Converters

April 1, 2001

Author(s)

Thomas F. Wunsch, Joseph R. Kinard Jr., Ronald R. Manginell, O. M. Solomon, Thomas E. Lipe Jr., K. C. Jungling

Characterization of Four-Terminal-Pair Resistance Standards: A Comparison of Measurements and Theory

April 1, 2001

Author(s)

Randolph Elmquist, Anne-Marie Jeffery, Dean G. Jarrett

Interlaboratory Comparison of Josephson Voltage Standards Between NIST and Lockheed Martin Astronautics

April 1, 2001

Author(s)

Yi-hua D. Tang, W. Wyatt Miller

An International Comparison of 50/60 Hz Power (1996-1999)

April 1, 2001

Author(s)

Nile M. Oldham, Thomas L. Nelson, R. Bergeest, G. Ramm, R. Carranza, A. C. Corney, M. Gibbes, Gregory Kyriazis, H. Laiz, L. X. Liu, Z. Lu, U. Pogliano, K. E. Rydler, E. Shapiro, E. So, M. Temba, P. Wright

An international comparison of 50/60 Hz power is described. The traveling standard was an electronic power transducer which was tested at 120 volts, 5 amperes

Comparison of High-Frequency AC-DC Voltage Transfer Standards at NRC, VSL, PTB, and NIST

April 1, 2001

Author(s)

Piotr S. Filipski, C. J. van Mullem, D. Janik, M. Klonz, Joseph R. Kinard Jr., Thomas E. Lipe Jr., Bryan C. Waltrip

Complete Characterization of Zener Standards at 10 V for Measurement Assurance Program (MAP)

April 1, 2001

Author(s)

Yi-hua D. Tang, June E. Sims

A complete characterizaiton of Zener standards for temperature, pressure, and humidity is being performed to improve the uncertainty of a Measurement Assurance

Recent Developments in BIPM Voltage Standard Comparisons

April 1, 2001

Author(s)

D. Reymann, Thomas J. Witt, P. Vrabcek, Yi-hua D. Tang, Clark A. Hamilton, A. S. Katkov, Blaise Jeanneret, O. Power

The Influence of Molecular Architecture and Solvent Type on the Size and Structure of Poly (Bezyl Ether) Dendrimers by SANS

April 1, 2001

Author(s)

G Evmenenko, Barry J. Bauer, R Kleppinger, B Forier, W Dehaen, Eric J. Amis, N Mischenko, H Reynaers

The size of poly(benzyl ether) dendrimers with different molecular architectures was measured by small angle neutron scattering (SANS). Both polar and non-polar

Comparison Between the SNS and SIS Josephson Voltage Standards at OFMET

April 1, 2001

Author(s)

Blaise Jeanneret, Alain Rufenacht, Charles J. Burroughs

Recently, a new Josephson voltage standard based on a lV programmable chip provided by the National Institute of Standards and Technology (NIST) was impemented

Causality and Waveguide Circuit Theory

April 1, 2001

Author(s)

Darren F. Williams, Bradley Alpert

We develop a new causal power-normalized wave-guide equivalent-circuit theory that, unlike its predecessors, results in network parameters usable in both the

Correlations Between the Magnetic and Structural Properties of Ca Doped BiMnO₃

April 1, 2001

Author(s)

H Woo, T A. Tyson, Mark Croft, S W. Cheong, Joseph Woicik

Bi1-xCaxMnO3 (BCMO) is known to exhibit charge ordering for a much broader range of x than the classicLa1-xCaxMnO3 (LCMO) system. However, the properties of

Generation of Controlled UHMWPE Wear particle Size and Shape by Surface Texturing: Relationship Between Surface Feature Dimensions to Particle Size and Shape

April 1, 2001

Author(s)

H. W. Fang, J V. Sengers, Stephen M. Hsu

Generation of controlled UHMWPE wear particle size and shape has been achieved by texturing the steel surface through controlled abrasion. These particles were

Controlled Size and Shape UHMWPE Wear Particle Generation Using a Silicon Micro-Fabricated Surface Texturing Technique

April 1, 2001

Author(s)

H. W. Fang, J V. Sengers, Stephen M. Hsu

Ultra-high molecular weight polyethylene (UHMWPE) wear particles have been linked to biochemical reactions that eventually lead to loosening of prosthesis

Ferroelectricity and Ferrimagnetism in Iron-doped BaTiO₃

April 1, 2001

Author(s)

R Maier, J. Cohn, J J. Neumeier, Leonid A. Bendersky

The structural and physical properties of pseudocubic thin-film BaTi 1-xFe x0 3 (0.5 less than or equal} x less than or equal} 0.75) grown by pulsed-laser

Porous Thin Films for Thermal Barrier Coatings

April 1, 2001

Author(s)

K D. Harris, D Vick, E J. Gonzalez, T Smy, K Robbie, M J. Brett

A new approach is described in the deposition of thin films for thermal barrier applications. In a physical vapour deposition experiment, extreme shadowing

Low Thermal Conductivity Vapor Deposited Zirconia Microstructures

April 1, 2001

Author(s)

D D. Hass, Andrew Slifka, H N. Wadley

Low thermal conductivity yttria stabilized zirconia (YSZ) coatings have been grown using a low vacuum (0.20 Torr) electron beam directed vapor deposition

Design of Nanoporous Ultra Low-Dielectric Constant Organosilicates by Self-Assembly

April 1, 2001

Author(s)

S Y. Yang, T L. Dull, J Sun, Albert F. Yee, P Mirau, C S. Pai, O Nalamasu, E Reichmanis, Eric K. Lin, V. J. Lee, D Gidley, W E. Frieze

Here we report a new class of materials that can reach ultra low- dielectric constants while maintaining good mechanical properties. In this approach

Magnetic Switch for Integrated Atom Optics

April 1, 2001

Author(s)

D Mueller, Eric A. Cornell, M Prevedelli, P Schwindt, Y J. Wang, D Z. Anderson

A magnetic waveguide structure allows switching of neutral atoms between two guides. The switch consists of lithographically patterned current-carry-carrying

Use of Surface-Wave Spectroscopy to Characterize Tilt Modes of a Vortex in a Bose-Einstein Condensate

April 1, 2001

Author(s)

P C. Haljan, B P. Anderson, Ian R. Coddington, Eric A. Cornell

A vortex in a condensate in a nonspherical trapping potential will in general experience a torque. The torque will induce tilting of the direction of the vortex

Analysis of Broadband X-Ray Spectra of Highly Charged Krypton From a Microcalorimeter Detector of an Electron-Beam Ion Trap

April 1, 2001

Author(s)

I Kink, J M. Laming, E Takacs, James V. Porto, John D. Gillaspy, E Silver, H. Schnopper, Simon R. Bandler, M Barbera, N Brickhouse, S Murray, N. Madden, D Landis, J. Beeman, E. E. Haller

Spectra of highly charged Kr ions, produced in an EBIT, have been recorded in a broad x-ray energy band (0.3-4 keV) with a microcalorimeter detector. Most of

Watching Dark Solitons Decay Into Vortex Rings in a Bose-Einstein Condensate

April 1, 2001

Author(s)

B P. Anderson, P C. Haljan, C A. Regal, D L. Feder, L A. Collins, Charles W. Clark

We have created spatial dark solitons in two-component Bose-Einstein condensates in which the soliton exists in one of the condensate components and the soliton

A Suspended Laser Interferometer for Determining the Newtonian Constant of Gravitation

April 1, 2001

Author(s)

Harold V. Parks, J E. Faller, D S. Robertson

Progress is reported on an experiment to measure the Newtonian constnat of gravitation, G, with a suspended Fabry-Perot laser interferometer. With this

Rotational-State and Velocity-Subgroup Dependence of the Rotational Alignment of N₂⁺ Drifted in He

April 1, 2001

Author(s)

E B. Anthony, V M. Bierbaum, S R. Leone

Experimental results are presented for the rotational alignment of- N 2 +(Ņ=O) as a function of both rotational state and component Dopplervelocity. A single

The Bismuth Abundance in the HgMn Stars chi) Lupi and HR7775 and Improved Atomic Data for Selected Transitions of Bi I, Bi II, and Bi III

April 1, 2001

Author(s)

G Wahlgren, T Brage, J C. Brandt, J Fleming, S Johansson, D S. Leckrone, C R. Proffitt, Joseph Reader, Craig J. Sansonetti

High resolution spectra of the chemically peculiar HgMn type stars Χ Lupi and HR7775 obtained with the Hubble Space Telescope/Goddard High Resolution

Improvements in the NIST Cryogenic Thermal Transfer Standard

April 1, 2001

Author(s)

Thomas E. Lipe Jr., Joseph R. Kinard Jr., Carl D. Reintsema

We describe the development of a cryogenic thermal transfer standard (CTTS) from the first prototype in 1997 to the present version. A description of the

Transport Behavior of Commercially Available 100-ohm Standard Resistors

April 1, 2001

Author(s)

B. Schumacher, P. Warnecke, W. Poirier, I. Delgado, Z. Msimang, G. Boella, P. O. Hetland, Randolph Elmquist, J. Williams, D. Inglis, Beat Jeckelmann, O. Gunnarsson, . A. Satrapinsky

NRC-NIST Comparison of Power Meter Calibrations at 60 Hz and Ranges up to 600 V, 100 A

April 1, 2001

Author(s)

E. So, D. Angelo, Thomas L. Nelson, L. Snider

IGBT Model Validation for Soft-Switching Applications

March 31, 2001

Author(s)

David W. Berning, Allen R. Hefner Jr.

Techniques are described for validating the performance of Insulated-Gate Bipolar Transistor (IGBT) circuit simulator models for soft-switching circuit

IEEE Transactions on Antennas and Propagation

March 27, 2001

Author(s)

Richard G. Geyer, J. R. Wait

A general Sommerfeld integral formulation is given for the electromagnetic (EM) fields of an oscillating vertical Magnetic or electric dipole over an

Thermal and State-Selected Rate Coefficients for the O(³P) + HCl Reaction and New Calculations of the Barrier Height and Width

March 22, 2001

Author(s)

S. Skokov, S. L. Zou, Joel M. Bowman, Thomas C. Allison, D. G. Truhlar, Y. J. Lin, B. Ramachandran, B. C. Garrett, B. J. Lynch

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