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Journals

Soliton Dynamics in the Collisions of Bose-Einstein Condensates: An Analog of the Josephson Effect

January 1, 1998

Author(s)

W P. Reinhardt, Charles W. Clark

The usual mean-field description of trapped atomic Bose-Einstein condensates predicts the existence of solitons in one-dimensional and quasi-one dimensional...

Absolute Calibration of an X-Ray Spectrometer on the NIST Electron-Beam Ion Trap: Control, Design and Systematics

January 1, 1998

Author(s)

D J. Paterson, T. Han, C Q. Tran, Lawrence T. Hudson, F Serpa, R Deslattes

The course of Electron-Beam Ion Trap (EBIT) experiments depends more and more on precision measurement. To design and test a system of absolute spectroscopy to...

Image Sharpness Measurement in Scanning Electron Microscopy - Part I

January 1, 1998

Author(s)

Michael T. Postek, Andras Vladar

This study introduces the idea of the sharpness concept in relationship to the determination of scanning electron microscope (SEM) perfomance. Scanning electron...

Vibration of a Room-Sized Airspring-Supported Slab

January 1, 1998

Author(s)

H Amick, B Sennewald, N C. Pardue, E C. Teague, Brian R. Scace

This paper reports the results of the finite element analysis and in situ testing of a large-scale (4 m x 10 m) pneumatically isolated concrete slab. The slab...

Pixel Based Absolute Topography Test for Three Flats

January 1, 1998

Author(s)

R E. Parks, Lianzhen Shao, Christopher J. Evans

We demonstrate a new method of performing the absolute three flat test using reflection symmetries of the surfaces and an algorithm for generating the rotation...

Electronic Properties of GaAs Surfaces Etched in an Electron Cyclotron Resonance Source and Chemically Passivated Using P2S5

January 1, 1998

Author(s)

O Glembocki, J Tuchman, John A. Dagata, K Ko, S Pang, C Stutz

Photoreflectance has been used to study the electronic properties of (100) GaAs surfaces exposed to a Cl2/Ar plasma generated by an electron cyclotron resonance...

Understanding Scanned Probe Oxidation of Silicon

January 1, 1998

Author(s)

John A. Dagata, T Inoue, J Itoh, H Yokoyama

A model for scanned probe microscope (SPM) silicon oxidation is presented. The model was derived from a consideration of the space-charge dependence of this...

Scanning Capacitance Microscopy Measurement of 2-D Dopant Profiles Across Junctions

January 1, 1998

Author(s)

Joseph Kopanski, Jay F. Marchiando, David W. Berning, R. Alvis, H. E. Smith

Densification of Nanostructured Alumina Assisted by Rapid Nucleation of (Alpha)-Alumina

January 1, 1998

Author(s)

V R. Palkar, D Thapa, M S. Multani, S G. Malghan

We have shown that it is possible to achieve dense nanostructured alumina, with density + 98% of the theoretical maximum at sintering temperature as low as 1300...

Equilibration Near the Liquid-Vapor Critical Point in Microgravity

January 1, 1998

Author(s)

R A. Wilkinson, G A. Zimmerli, H Hao, Michael R. Moldover, Robert F. Berg, W L. Johnson, R A. Ferrell, R W. Gammon

Halon Thermochemistry: Ab Initio Calculations of the Enthalpies of Formation of Fluoromethanes

January 1, 1998

Author(s)

R. J. Berry, C J. Ehlers, Donald R. Burgess Jr., Michael R. Zachariah, Marc R. Nyden, M Schwartz

The ab initio G2, G2(MP2), CBS-4 and CBS-Q quantum mechanical protocols and the parameterized BAC-MP4 procedure were used to calculate the enthalpies of...

Methodology for Obtaining and Using Toxic Potency Data for Fire Hazard Analysis

January 1, 1998

Author(s)

Vyto Babrauskas, Richard Gann, Barbara C. Levin, M Paabo, Richard H. Harris Jr., Richard Peacock, S Yusa

A comprehensive methodology has been developed for obtaining and using smoke toxicity data for fire hazard analysis. This description of the methodology...

Inhibition Effectiveness of Halogenated Compounds

January 1, 1998

Author(s)

T Noto, Valeri I. Babushok, Anthony Hamins, Wing Tsang

A numerical study of the inhibition efficiency of halogenated compounds was carried out for C1-C2 hydrocarbon-air laminar premixed flames. The inhibition...

Observation of the Pure Long Range 1_u State of an Alkali Dimer by Photoassociation Spectroscopy

January 1, 1998

Author(s)

X Wang, H Wang, P L. Gould, W C. Stwalley, Eite Tiesinga, Paul S. Julienne

Rheologie du Beton Frais Remanie. I: Plan Experimental et Depouillement des Resultats

January 1, 1998

Author(s)

F Larrard, Chiara C. Ferraris

Part III of a French language version of **Testing and Modeling of Fresh Concrete Rheology,** NIST Interagency Report NISTIR 6094, February 1998.This report...

Measuring Pressures With Cavity Ring-Down Spectroscopy

January 1, 1998

Author(s)

Roger D. van Zee, J P. Looney, Joseph T. Hodges

The industrial demand for sensitive and noninvasive tools with which to measure pressure has spurred the use of optical methods to make these measurements. This...

Relaxometry and Magnetometry of Ferritin

January 1, 1998

Author(s)

R A. Brooks, J Vymazal, Ronald B. Goldfarb, J W. Bulte, P Aisen

White layers and thermal modeling of hard turned surfaces

January 1, 1998

Author(s)

Y K. Chou, Christopher J. Evans

White layers in hard turned surfaces are identified, characterized and measured as a function of tool flank wear and cutting speed. White layer depth...

Sampling Protocols for the Detection of Smokeless Powder Residues using Capillary Electrophoresis

January 1, 1998

Author(s)

William A. MacCrehan, K D. Smith, W R. Rowe

Mass Spectrometric Measurement of Molecular Dissociation in Inductively-coupled Plasmas

January 1, 1998

Author(s)

Yicheng Wang, Richard J. Van Brunt, James K. Olthoff

Vibration of a room-sized airspring-supported slab

January 1, 1998

Author(s)

H Amick, E C. Teague, N C. Pardue, B Sennewald

Time Domain Modal Estimation

January 1, 1998

Author(s)

S Fahey, Jon R. Pratt

In a previous technical feature,2 we described some motives for performing structural dynamic tests and subsequently reviewed some frequency domain techniques...

Pixel-based absolute topography test for three flats

January 1, 1998

Author(s)

R E. Parks, Christopher J. Evans, Lianzhen Shao

Minimization of ion micromotion in a Paul trap

January 1, 1998

Author(s)

D J. Berkeland, J D. Miller, James C. Bergquist, Wayne M. Itano, David J. Wineland

Micromotion of ions in Paul traps has several adverse effects, including alterations of atomic transition line shapes, significatn second-order Doppler shifts...

Simultaneous Measurement of Viscosity and Structure for Rod-Like Micelle Solutions

January 1, 1998

Author(s)

M Y. Lin, Howard J. Hanley, Chris Muzny, G C. Straty

A Simplified Ultrasonic Immersion Technique for Materials Evaluation

January 1, 1998

Author(s)

D Xiang, Nelson N. Hsu, Gerald V. Blessing

A simplified ultrasonic immersion technique has been developed to measure leaky surface and bulk waves in solid materials by using specially designed lensless...

Inelastic Electron Scattering in Auger Electron Spectroscopy

January 1, 1998

Author(s)

R Shimizu, Cedric J. Powell

The International Union for Vacuum Science, Technique and Applications (IUVSTA) has established a workshop programme to provide a forum for intense scientific...

Measuring Absolute Infrared Spectral Radiance With Correlated Photons: New Arrangements for Improved Uncertainty and Extended IR Range

January 1, 1998

Author(s)

E Dauler, Alan L. Migdall, N Boeuf, Raju V. Datla, A J. Mueller, A V. Sergienko

New experimental configurations of a system to measure about IR spectral radiance using correlated photons are presented. The method has the remarkable feature...

Trapped Ions, Entanglement, and Quantum Computing, ed. by B.L. Fearey

January 1, 1998

Author(s)

C J. Myatt, B E. King, D Kielpinski, Dietrich Leibfried, Q A. Turchette, Chris S. Wood, Wayne M. Itano, C Monroe, David J. Wineland

A miniature, elliptcal ring rf (Paul) ion trap has been used in recent experiments toward realizing a quantum computer in a trapped ion system. With the...

Comparison of heteroepitaxial YBa₂Cu₃O_7-δ and TiO₂ thin film growth

December 31, 1997

Author(s)

Alexana Roshko, F. J. Stork, David A. Rudman, D. J. Aldrich, P. A. Hotsenpiller

The growth of heteroepitaxial YBa 2Cu 3O 7-δ and TiO 2 thin films has been investigated as a function of deposition rate. film thickness, and deposition...

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