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Displaying 57376 - 57400 of 74186

Total-dielectric-function Approach to Electron and Phonon Response in Solids

January 1, 1995
Author(s)
David R. Penn, S Lewis, Marvin Cohen
The interaction between two test charges, the response of a solid to an external field, and the normal modes of the solid can be determined from a total dielectric function that includes both electronic and lattice polarizabilities as well as local-field

Transient Analysis of a Line-focus Transducer Probing a Liquid/Solid Interface

January 1, 1995
Author(s)
Nelson N. Hsu, Gerald V. Blessing, Steven E. Fick, D Xiang
The use of a line-focus transducer operating in pulse-echo mode to probe a liquid/solid interface is a new technique which has many engineering applications. To provide a theoretical basis for multi-echo analysis and interpretation, we use numerical

Tunneling Spectroscopy of bcc(001) Surface States

January 1, 1995
Author(s)
Joseph A. Stroscio, Daniel T. Pierce, Angela Davies, Robert Celotta
We have discovered an intense, sharp feature in tunneling spectra of the Fe(001) and Cr(001) surfaces that derives from a bce surface state near the Fermi level. Band-structure calculations show that this state is a general feature of bcc (001) surfaces

Upward Flame Spread on Composite Materials

January 1, 1995
Author(s)
Thomas J. Ohlemiller, Thomas G. Cleary
Three existing models of upward flame spread were tested against intermediate-scale experiments on a vinyl-ester/glass composite. Characterization of rate of heat release per unit area, needed as input to the models, was obtained at external radiant fluxes
Displaying 57376 - 57400 of 74186
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