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Displaying 70026 - 70050 of 74340

Review of Federal and Military Specifications for Floor Coverings. Final Report.

April 1, 1974

Author(s)

W C. Wolfe

Use of Matrices to Represent Electron Lenses. Matrices for the Two-Tube Electrostatic Lens

April 1, 1974

Author(s)

D DiChio, S Natali, C Kuyatt, A Galejs

The use of matrices to represent electron lenses is discussed. It is shown that it is more convenient and natural to represent a lens by a matrix and that the matrix elements show a more regular behavior than do the focal properties. Thus matrices are more

Abstracts of Papers on Testing and Analysis of Flammable Fabrics October 1972 to October 1973.

March 1, 1974

Author(s)

John F. Krasny

Determination of Electron Attenuation Lengths in Metals: Transmission Through Thin Adsorbed Films

March 1, 1974

Author(s)

M Sunjic, D Sokcevic, John William Gadzuk

Electron Spectroscopy of Chemisorbed Atoms and Surface Molecules

March 1, 1974

Author(s)

John William Gadzuk

Laser Photodetachment Determination of the Electron Affinities of OH, NH 2 , NH, SO 2 , and S 2

March 1, 1974

Author(s)

Robert Celotta, R Bennett, John L. Hall

Using a fixed frequency argon ion laser, we have studied the energy spectra of electron photodetached from OH -, NH 2 -, NH -, SO 2 -, and S 2 -. We determined the following electron affinities: E A(OH) = 1.829 +0.010 -0.014 eV, E A(NH 2) = 0.779plus or

Field Emission as a Probe of the Surface Density of States

February 15, 1974

Author(s)

David R. Penn, E. W. Plummer

Field-emission measurements of the total-energy distribution from a clean metal surface are shown to provide information about the density of states near the surface. Specifically, we find the field-emitted current per unit energy at energy ω to be given

Valence-Band Auger-Electron Spectra for Aluminum

February 15, 1974

Author(s)

John William Gadzuk

Recent measurements of the L 23VV auger spectrum of Al by Powell, have shown that the observed energy distributions do not correspond to the self-convolution of the Al bulk density of states. Attempts to account for this discrepancy in terms of energy