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Journals

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 Allison, D. G. Truhlar, Y. J. Lin, B. Ramachandran, B. C. Garrett, B. J. Lynch

The 103rd Annual Meeting of the American Ceramic Society

March 19, 2001

Author(s)

Winnie K. Wong-Ng

The American Ceramic Society 103rd annual meeting & exposition took place from April 22-25, 2001, at the Indiana Convention Center and RCA Dome of Indianapolis...

Ab Initio Study of the Intermolecular Interactions in Small Benzene Clusters: The Equilibrium Structures of Trimer, Tetramer, and Pentamer

March 15, 2001

Author(s)

Carlos A. Gonzalez, E C. Lim

Toxic Hazard of Building Products and Furnishings

March 14, 2001

Author(s)

Richard G. Gann

Since it was recognized nearly 30 years ago that most fire victims succumb to smoke, there has been a broad effort to include consideration of smoke toxicity in...

Fundamental properties of parametric functionals in quantum chemistry

March 12, 2001

Author(s)

F. Ruette, Carlos A. Gonzalez, A. Octavio

Effective gas-phase deoxygenation of alcohols and ketones on iwon catalyst

March 9, 2001

Author(s)

Anzor Mikaia, Leonid S. Glebov, Alexey Yatsenko, Vladimir G. Zaikin, George A. Kliger, Sergai Loktev

A method of gas-phase deoxygenation of alcohols and ketones into hydrocarbons on iron catalyst at 600 K and 1-2.105 Pa is described.

The Role of Knowledge in Next-generation Product Development Systems

March 6, 2001

Author(s)

Simon Szykman, Ram D. Sriram, William Regli

Information technology has played an increasingly important role in engineering product development. Its influence over the past decade has been accelerating...

The Relegation Algorithm

March 3, 2001

Author(s)

A Deprit, E Deprit, Jesúus Palacián

Given a perturbed Hamiltonian system, normalization yields a Lie transformation which converts the main part of the Hamiltonian into an integral of the...

Jim Zimmerman and the SQUID

March 1, 2001

Author(s)

Richard L. Kautz

The career of Jim Zimmerman, beginning with a solid foundation in electronics and cryogenics, reached a turning point in 1965 when he became coinventor of the...

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