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Displaying 33501 - 33525 of 74026

Spin-Orbit Precession Damping in Transition Metal Ferromagnets

January 1, 2007
Author(s)
Keith Gilmore, Y Idzerda, Mark D. Stiles
We provide a simple explanation, based on an effective field, for the precession damping rate due to the spin-orbit interaction. Previous effective field treatments of spin-orbit damping include only variations of the state energies with respect to the

Stochastic Modeling and Estimation in a Neutron Lifetime Experiment

January 1, 2007
Author(s)
Yang G. L., Kevin Coakley
A team of researchers demonstrated at the National Institute of Standards and Technology Cold Neutron Research Facility for the first time that ultra cold neutrons can be confined in a magnetic trap filled with liquid helium. This technical breakthrough

Strain-Induced Grain Growth during Rapid Thermal Cycling of Aluminum Interconnects

January 1, 2007
Author(s)
Robert Keller, Roy H. Geiss, Nicholas Barbosa, Andrew Slifka, David T. Read
We demonstrate by use of automated electron backscatter diffraction (EBSD) the rapid growth of grains in non-passivated, sputtered Al-1Si interconnects during 200 Hz thermal cycling induced by alternating electric current. Mean grain diameters were

Stress-strain behavior of rat pulmonary arteries

January 1, 2007
Author(s)
Elizabeth S. Drexler, J Wright, Andrew Slifka, Christopher N. McCowan, Dunbar Ivy, R Shandas
The stress-strain behavior of rat pulmonary arteries was studied using a bubble inflation technique. To obtain mechanical properties, an analytical method to evaluate the bubble test results was developed. A flat disk of rat pulmonary artery was

Structural Collapse Research at NIST

January 1, 2007
Author(s)
D W. Stroup, Nelson P. Bryner
Approximately 20 % of fire fighters killed at structure fires over the past ten years have been as a result of structural collapse. Predicting a structural collapse is one of the most challenging tasks facing an incident commander at a fire scene. Usually

Surface Metrology Algorithm Testing System

January 1, 2007
Author(s)
Son H. Bui, Theodore V. Vorburger
This paper presents the development of a Web-based surface metrology algorithm testing system. The system includes surface analysis tools and a surface texture specimen database for parameter evaluation and algorithm verification. The system runs from a
Displaying 33501 - 33525 of 74026
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