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Journals

Mechanical Hardness and Elastic Stiffness of Alloys: Semiempirical Models

June 1, 1998

Author(s)

D G. Clerc

An atomic-levellmechanical hardness model that is based on screened electrostatics and elastic shear (SEES) is generalized to single-phase substitutional

Time-Resolved Studies of Ultra-Cold Ionizing Collisions

June 1, 1998

Author(s)

C R. Orzel, S Bergeson, S L. Rolston, S Kulin

Using 40 ns laser pulses, we probe the real-time dynamics of ultra-cold ionizing collisions in metastable xenon. We time-resolve both shielding and enhancement

Experimental and Ab Initio Study of the Infrared Spectra of Ionic Species Derived from SF6 and SF4 and Trapped in Solid Neon

June 1, 1998

Author(s)

C Lugez, Marilyn E. Jacox, R A. King, H F. Schaefer

When a Ne:SF6 mixture is subjected to Penning ionization and/or photoionization by neon atoms in their first excited states, between 16.6 eV and 16.85 eV, and

Rotational Spectrum, Structure, and Electric Dipole Moment of bis(Difluoromethyl) Ether(E134)

June 1, 1998

Author(s)

R D. Suenram, Francis J. Lovas, Angela R. Hight Walker, D Dixon

The rotational spectrum of bis (difluoromethyl) ether (CF 2HOCF 2H) has been observed and analyzed using both a conventional Stark-modulated microwave

Experimental and ab Initio Study of the Infrared Spectra of Ionic Species Derived from PF5, PF3 and F3PO and Trapped in Solid Neon

June 1, 1998

Author(s)

C Lugez, Marilyn E. Jacox, R A. King, H F. Schaefer

When a Ne:PF 5 or a Ne:PF 3 is codeposited a 5 K with a beam of neon atoms that have been excited in a microwave discharge, the infrared spectrum of the

'Thermochemical Mimicry' of Phenyl and Vinyl Groups: Can it be Extened to Charged Species?

June 1, 1998

Author(s)

E P. Hunter, S G. Lias, C M. Rooney, J L. Winstead, J F. Liebman

By examination of a set of recently evaluated proton affinities, the thermochemical mimicry of phenyl and vinyl derivatives is shown not to apply to charged

Thermal Plasma Synthesis of Fe-Co Alloy Nanoparticles

June 1, 1998

Author(s)

J H. Scott, Z Turgut, K Chowdary, M E. McHenry, S. A. Majetich

FeCo nanoparticles are synthesized in a radio frequency (RF) plasma torch from metal powder precursors and simple gases. The first precursor consists of pre

Noise reduction in optical in situ measurements for molecular beam epitaxy by substrate wobble normalization

June 1, 1998

Author(s)

Kristine A. Bertness, Robert K. Hickernell, S. P. Hays, David H. Christensen

We demonstrate a nonnalization method for removing noise introduced into optical in situ measurements by sample rotation wobble during molecular beam epitaxy

An Equilibrium and Calorimetric Study of Some Transamination Reactions

June 1, 1998

Author(s)

Yadu D. Tewari, N Kishore, Robert N. Goldberg, T N. Luong

Apparent equilibrium constants and calorimetric enthalpies of reaction have been measured for the following enzyme-catalyzed biochemical reactions at the

Thermodynamic Properties for the Alternative Refrigerants

June 1, 1998

Author(s)

Mark O. McLinden, Eric W. Lemmon, R. T. Jacobsen

Models commonly used to calculate the thermodynamic properties of refrigerants are summarized. For pure refrigerants, the virial, cubic, Martin-Hou, Benedict

Comment on the Paper Interferometric Testing of Optical Surfaces: Absolute Measurement of Flatness

June 1, 1998

Author(s)

Christopher J. Evans

This paper provides an informative discussion of some aspects of the use of n-position area averaging in absolute testing of optical surfaces. The paper may

A Primer on Electrical Units in the Systems International

June 1, 1998

Author(s)

Neil M. Zimmerman

I examine the dissemination of the electrical units, from basic physical laws to commercial calibrations. I discuss the important distinction between

Low-Jitter Trigger System for Pulse Calibration and Intercomparison of High-Speed Samplers

June 1, 1998

Author(s)

Nicholas G. Paulter Jr.

The Effect of Histogram Size on Histogram-Derived Pulse Parameters

June 1, 1998

Author(s)

Nicholas G. Paulter Jr.

The effects of the number of histogram bins on histogram-derived pulse parameters of step-like waveforms is examined. An empirical method for selecting the

Pulsed Laser Deposition of Superconducting Nb-Doped Strontium Titanate Thin Films

June 1, 1998

Author(s)

A Leitner, Charles T. Rogers, J. Price, David A. Rudman, David L. Herman

Pulse-Driven Josephson Digital/Analog Converter

June 1, 1998

Author(s)

Samuel Benz, Clark A. Hamilton, Charles J. Burroughs, Todd E. Harvey, Laurie Christian, J. X. Przybysz

We have designed and demonstrated a pulse-driven Josephson digital/analog converter. When used as a programmable voltage standard, this device can synthesize

Determination of the Neutron Scattering Contrast of Hydrated Portland Cement Paste Using H₂0/D₂0

June 1, 1998

Author(s)

J Thomas, Hamlin M. Jennings, Andrew J. Allen

Accurate measurements of the surface area of cement based materials using small-angle neutron scattering (SANS) require determination of the neutron scattering

Multi-Stage Active Vibration Isolation System

June 1, 1998

Author(s)

S J. Richman, J A. Giaime, David B. Newell, R T. Stebbins, P L. Bender, J E. Faller

The major obstacle to the detection of low-frequency gravitational waves with an earth-based interferometer is seismic noise. The current design of the initial

Phase and Amplitude Control in the Formation and Detection of Rotational Wave Packets in the E¹Σ_g⁺ State of Li₂

June 1, 1998

Author(s)

R Uberna, Mouhamad Khalil, R M. Williams, J M. Papanikolas, S R. Leone

Femtosecond laser pulse amplitude/phase masking techniques are employed to control the formation and detection of rotational wave packets in the electronic E 1Σ

Exocyclic Hydroxymethyl Rotational Conformers of Β- and α - D- Glucopyranose in the Gas Phase and Aqueous Solution

June 1, 1998

Author(s)

B Wladkowski, S A. Chenoweth, K E. Jones, J W. Brown

The intrinsic exocyclic hydroxymethyl rotational surface for [Beta]-D-glucopyranose as well as the [Beta]-[alpha] anomer energy difference for D-glucopyranose

Handover and New Call Blocking Performance With Dynamic Single-Channel Assignment in Linear Cellular Arrays

June 1, 1998

Author(s)

A L. Wijesinha, S P. Kumar, D P. Sidhu

We consider dynamic assignment of a single channel in a linear cellular array, and derive closed-form expressions for the blocking probability of handover calls

First Observation of the Pure Long-Range 1_u State of an Alkali Dimer by Photoassociative spectroscopy

June 1, 1998

Author(s)

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

The pure long-range 1 u state of an alkali dimer is observed for the first time in 39K 2 using photoassociative spectroscopy of ultracold atoms. High-resolution

Detection of Tyrosinase mRNA in Melanoma by Reverse Transcription-PCR and Electrochemiluminescence

June 1, 1998

Author(s)

C D. O'Connell, A Juhasz, C Kuo, D J. Reeder, D S B Hoon

Statistical Analysis of Network Analyzer Measurements

June 1, 1998

Author(s)

John R. Juroshek, Chih-Ming Wang, G. P. Mccabe

Measurements and Modeling of the Microwave Impedance in High-T_c Grain-Boundary Josephson Junctions: Fluxon Generation and RF Josephson-Vortex Dynamics

June 1, 1998

Author(s)

Y. M. Habib, C. J. Lehner, D. E. Oates, Leila R. Vale, Ronald H. Ono, G. Dresselhaus, M. Dresselhaus

Measurements and modeling of the microwave-frequency (rf) power dependence of the impedance in Y-Ba-Cu-O thin-film grain-boundary Josephson junctions (jj's) are

Display Reflectance Model Based on the BRDF

June 1, 1998

Author(s)

Edward F. Kelley, George R. Jones Jr., Thomas Germer

Many flat panel displays (FPDs) permit anti-reflection surface treatments that differ in character from those of traditional cathode-ray-tube displays. Specular