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Journals

Electronic scattering from Co/Cu interfaces: In situ measurement, comparison with microstructure, and failure of semiclassical free-electron models

May 1, 2000

Author(s)

William E. Bailey, S X. Wang, E Y. Tsymbal

International Comparison GT/RF 86-1 Electric Field Strengths: 27 MHz to 10 GHz

May 1, 2000

Author(s)

Motohisa Kanda, Dennis G. Camell, Jan P. deVreede, J. Achkar, M. Alexander, Michele Borsero, H. Yajima, N. S. Chung, H. Trzaska

this paper describes the international comparison of electric field strength measurements at frequencies between 27 MHz and 10GHz (GT/RF 86-1) The participating...

A Disk-Loaded Thick Cylindrical Dipole Antenna for Validation of an EMC Test Site from 30 to 300 MHz

May 1, 2000

Author(s)

W. S. Cho, Motohisa Kanda, Philbert Hwang

We propose a new broad-band, short (80-cm-long) disk-loaded thick cylindrical dipole (DTCD) antenna for validation of an electromagnetic compatibility (EMC)...

High-Speed Dynamics, Damping, and Relaxation Times in Submicrometer Spin-Valve Devices

May 1, 2000

Author(s)

Stephen E. Russek, Shehzaad F. Kaka, Michael J. Donahue

The dynamical response of spin-vale devices with linewidths of 0.8 5m has been measured after excitation with 160 ps magnetic impulses. The devices show...

Effect of Mixing Ratio and pH on the Reaction Between Ca₄(PO₄) ₂O and CaHPO₄

May 1, 2000

Author(s)

S Matsuya, Shozo Takagi, Laurence Chow

The reaction of Ca 4(PO 4) 2O (TTCP) and CaHPO 4 (DCPA) in an aqueous solution has been shown to be responsible for the hardening of a calcium phosphate cement...

Exchange Bias Relaxation in CoO-Biased Films

May 1, 2000

Author(s)

Robert McMichael, Chang H. Lee, Mark D. Stiles, F Serpa, P J. Chen, William F. Egelhoff Jr.

Because the memory of the bias direction is carried by the antiferromagnetic order in exchange bias films, the stability of the antiferromagnetic order is...

The Infrared Spectrum and Internal Rotation Barrier in HF--BF₃

May 1, 2000

Author(s)

K Nauta, R E. Miller, Gerald T. Fraser, Walter J. Lafferty

The rotationally resolved infrared spectrum of the HF stretch fundamental in combination with one quantum of internal rotationexcitation has been observed for...

Temperature Dependent Kinetics of the OH/HO₂/O₃ Chain Reaction by Time-Resolved IR Laser Absorption Spectroscopy

May 1, 2000

Author(s)

S A. Nizkorodov, W W. Harper, B W. Blackmon, David Nesbitt

This paper presents an extensive temperature dependent kinetic study of the catalytic HO x ozone cycle, (1) OH + O 3 -> O 2 and (2) HO 2 + O 3 -> OH + O 2...

Bond-Breaking in Quantum State Selected Clusters: Inelastic and Nonadiabatic Intracluser Collision Dynamics in Ar-H₂O -> Ar + (²S)+ OH(²Π1/2, 3/2;N)

May 1, 2000

Author(s)

O Votava, David F. Plusquellic, T L. Myers, David Nesbitt

High resolution vibrationally mediated IR + UV photodissociation methods are used to investigate the dvnamics of H-OH bond breaking in quantum state selected H...

Electron Injection, Recombination and Halide Oxidation Dynamics at Dye-Sensitized Metal Oxide Interfaces

May 1, 2000

Author(s)

T Heimer, Edwin J. Heilweil, C A. Bignozzi, G J. Meyer

Time-resolved infrared measurements indicate ultrafast, 350 fs electron injection from (4,4'dcb) 2Ru(NCS) 2 (1) and (5,5'dcb) 2Ru(NCS) 2 (2) to nanostructured...

Ferrous Ions as Catalysts for Photochemical Reduction of CO₂ in Homogeneous Solutions

May 1, 2000

Author(s)

J Grodkowski, Pedatsur Neta

Ferrous ions are found to act as efficient catalysts for the photochemical reduction of CO 2 to CO in homogeneous solutions. Photochemical reduction is carried...

Evaluation of Charge Penetration Between Distributed Multipolar Expansions

May 1, 2000

Author(s)

M A. Freitag, M S. Gordon, J H. Jensen, W J. Stevens

A formula to calculate the charge penetration energy that results when two charge densities overlap has been derived for molecules described by an effective...

Experimental Determination of Electron Effective Attenuation Lengths in Silicon Dioxide Thin Films Using Synchrotron Radiation - II. Effects of Elastic Scattering

May 1, 2000

Author(s)

Y Shimada, N Matsubayashi, M Imamura, M Suzuki, Yukihiru Higashi, H Ando, H Takenaka, S Kurosawa, S Tanuma, Cedric J. Powell

The effective attenuation lengths (EALs) of photoelectrons in thin silicon dioxide films on a Si(100) substrate were measured as a function of electron energy...

Hot-Electron Attenuation Lengths in Ultrathin Magnetic Films

May 1, 2000

Author(s)

R P. Lu, B A. Morgan, K L. Kavanagh, Cedric J. Powell, P J. Chen, F Serpa, W F. Egelhoff

Ballistic electron emission microscopy (BEEM) is used to measure hot electron transport across magnetic metal multilayers. Room temperature measurements in air...

Experimental Determination of Electron Effective Attenuation Lengths in Silicon Dioxide Thin Films Using Synchrotron Radiation - I. Data Analysis and Comparisons

May 1, 2000

Author(s)

M Suzuki, H Ando, Yukihiru Higashi, H Takenaka, H Shimada, N Matsubayashi, M Imamura, S Kurosawa, S Tanuma, Cedric J. Powell

We have measured effective attenuation lengths (EALs) of 140 to 1100 eV electrons in ultrathin silicon dioxide layers using synchrotron radiation. These EALs...

Process Diagnostics and Thickness Metrology Using in Situ Mass Spectrometry for the Chemical Vapor Deposition of W from H₂/WF₆

May 1, 2000

Author(s)

T Gougousi, Y Xu, J N. Kidder, G W. Rubloff, Charles R. Tilford

Quadrupole mass spectrometry has been used to monitor reactant and product partial pressures in a selective W chemical vapor deposition (CVD) process. A 4/1 Hl...

Normalized Parameter Relating the Spherical Aberration of a Thin Lens to the Diffraction Limit and Fiber Coupling

May 1, 2000

Author(s)

M. Young

In this paper, we calculate the transverse spherical aberration TA of a thin lens and defines a normalized aberration Y equal to TA divided by the theoretical...

Switching in Spin-Valve Devices in Response to Subnanosecond Longitudinal Field Pulses

May 1, 2000

Author(s)

Shehzaad F. Kaka, Stephen E. Russek

We have fabricated spin-valve devices in a high-speed test structure that allows subnanosecond pulsed field excitation and high-bandwidth observation of the...

Magnetic depth profiling Co/Cu multilayers to investigate magnetoresistance (invited)

May 1, 2000

Author(s)

D. Tulchinsky, Michael H. Kelley, J. Bass, John Unguris, Joseph Dura, Julie Borchers, Charles Majkrzak, S. Y. Hsu, R. Loloee, W. P. Pratt

Effect of the Interfacial Transition Zone on the Conductivity of Portland Cement Mortars

May 1, 2000

Author(s)

J D. Shane, T Mason, D A. Jennings, Edward Garboczi, Dale P. Bentz

The electrical conductivity of portland cement mortars was determined experimentally as a function of the volume fraction of sand and degree of hydration. The...

Probing Protein Interaction Through Crystal Growth Structure, Mutation, and Mechanism in Subtilisin s88

May 1, 2000

Author(s)

Q Pan, David Travis Gallagher

Observations of systematic variation in the shapes of protein crystals have unique potential to report chemical effects on protein-protein interactions, because...

Role of Competitive Interactions in Growth Rate Trends of Subtilsin s88 Crystals

May 1, 2000

Author(s)

D Asthagirl, A Lenhoff, David Travis Gallagher

An orthorhombic crystal form of subtilisin BPN' variant s88 exhibits a systematic variation in growth rates of its three unique faces, resulting in pronounced...

Vectorial second-harmonic magneto-optic kerr effect measurement

May 1, 2000

Author(s)

Pavel Kabos, Anthony B. Kos, Thomas J. Silva

A significant modification of an existing experimental technique based on the second-harmonic magneto-optical Kerr effect (SH-MOKE) is introduced. With a p...

Frequency- and Time-resolved measurements of FeTaN Films with Longitudinal Bias Field

May 1, 2000

Author(s)

C. Alexander, J. Rantschler, Thomas J. Silva, Pavel Kabos

Room-Temperature Imprinting Method for Plastic Microchannel Fabrication

April 15, 2000

Author(s)

J. Xu, Laurie E. Locascio, Michael Gaitan, C G. Lee

Interfacial Response of a Fluorescent Dye Grafted to Glass

April 12, 2000

Author(s)

Joy P. Dunkers, Jospeh L. Lenahrt, J Van Zanten, Richard~undefined~undefined~undefined~undefined~undefined Parnas

The properties of an epoxy/glass interfacial region are studied by covalently grafting a fluorescent probe to the glass surface. A dimethylaminonitrostilbene...

Spin-Orbit Configuration Interaction Calculation of the Potential Energy Curves of Iodine Oxide

April 6, 2000

Author(s)

S Roszak, Morris Krauss, A B. Alekseyev, H P. Liebermann, R J. Buenker

An ab initio cofiguration interaction (CI) study including spin-orbit coupling is carried out for the ground and excited states of the IO radical by employing...

Summary of the High Accuracy Aperture Measurement Capabilities at the National Institute of Standards and Technology

April 3, 2000

Author(s)

J B. Fowler, Robert D. Saunders, Albert C. Parr

The determination of the geometrical and the effective area for optical quality apertures is one of the fundamental sources of uncertainty in many radiometric...

Flow Calibration Services at NIST

April 1, 2000

Author(s)

John D. Wright, Pedro I. Espina

The Fluid Flow Group of the National Institute of Standards and Technology in Gaithersburg, Maryland offers calibration services for flow meters used in gas...

Differential Surface Stress of a Tin Oxide Electrode

April 1, 2000

Author(s)

Gintaras Valincius, Vytautas Reipa

Differential surface stress measurements performed using estance technique and simultaneous measurements of the differential capacitance provide experimental...

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