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Journals

Comment on Field emission as a probe of the surface density of states

July 15, 1976

Author(s)

David R. Penn

It is shown that the primary contribution to the field-emission current comes from electrons with total momentum equal to zero in a direction parallel to the...

Ising critical exponents in real fluids: An experiment

July 5, 1976

Author(s)

R Hocken, Michael R. Moldover

We report precise optical measurements of the equations of state of Xe, SF_6, and CO2 very near their critical points (|T - T_c|/T_c 5 x 10^-5). We find that...

Core level shifts of rare-gas atoms implanted in the noble metals

July 1, 1976

Author(s)

R E. Watson, J F. Herbst, J W. Wilkins

By means of soft-x-ray photoemission Citrin and Hamann have observed core level shifts of Ne, Ar, Kr, and Xe atoms implanted in the noble metals and have...

Spectral Reference Detector for the Visible to 12 Micrometer Region Convenient Spectrally Flat

July 1, 1976

Author(s)

Gordon W. Day, Clark A. Hamilton, K. W. Pyatt

Electron mean free paths for free-electron-like materials

June 15, 1976

Author(s)

David R. Penn

Mean free paths for electrons in bulk jellium are calculated for electrons with energies from a few hundred to a few thousand eV and for values of r s for 1.5...

Angle- and energy-resolved charged particle spectroscopies--a simple way

June 1, 1976

Author(s)

R Stein

The acquisition of angular and energy distribution information is of growing importance in a number of charged particle spectroscopies used for surface studies...

Cationic reactions of methylene cyclobutane

June 1, 1976

Author(s)

Anzor Mikaia, Evgenyi Finkelstein, Valentin Vdovin, Nikolay Nametkin

Dimerization, alkylation and metathesis reactions are studied for methylenecyclobutane in a benzene solution in the presence of catalysts

Intrinsic Response Time of a Josephson Tunnel Junction

May 1, 1976

Author(s)

Richard E. Harris

Improved Microwave-discharge Source for uv Photoemission

April 1, 1976

Author(s)

Theodore Vorburger, B Waclawski, D Sandstrom

A microwave-discharge uv light source has been improved to yield significant photon fluxes at 26.9 and 40.81 eV. In order to optimize the 26.9-eV (NeII) and 40...

RF Applications of the Josephson Effect

April 1, 1976

Author(s)

Robert A. Kamper

Core Level Shifts in the 3d Transition Metals and Tin

March 15, 1976

Author(s)

R E. Watson, M L. Perlman, J F. Herbst

We present estimates of various contributions to the free-atom-metal binding-energy shifts, Δ}E B, for the 2>s and 2p core levels of teh iron series elements...

4f Excitation Energies in Rare-Earth Metals: Relativistic Calculations

February 15, 1976

Author(s)

J F. Herbst, R E. Watson, J W. Wilkins

We describe calculations of 4f electron binding energies for the rare-earth metals. Relativistic Hartree-Fock calculations for atomic configurations most...

Effect of Ground State and Excitation Potentials on Energy Levels of Ni Metal

February 15, 1976

Author(s)

R E. Watson, J F. Herbst, L Hodges, B I. Lundqvist, J W. Wilkins

Self-consistent energy-band calculations for paramagnetic Ni have been performed in an effort to compare ground-state and excitationpotential prescriptions...

Modeling Josephson Junctions

February 1, 1976

Author(s)

Donald G. McDonald, E. G. Johnson, Richard E. Harris

Ultraviolet Laser Action from Cu II in the 2500-A Region

February 1, 1976

Author(s)

J. R. Mcneil, G. J. Collins, K. B. Persson, Douglas L. Franzen

Can Chemisorption Bonding Shifts be Separated from Relaxation-Energy Shifts in Photoelectron Spectroscopy

January 1, 1976

Author(s)

John William Gadzuk

Cross Sections for Ionization of Inner-Shell Electrons by Electron Impact

January 1, 1976

Author(s)

Cedric J. Powell

Cross Sections for Ionization of Inner-shell Electrons by Electrons

January 1, 1976

Author(s)

Cedric Powell

A survey is given of the available cross-section data for ionization of inner-shell electrons by incident electrons in the range of interest for electron-probe...

Quantitative Chemical Analysis by ESCA

January 1, 1976

Author(s)

David R. Penn

Electron spectroscopy for chemical analysis (ESCA) can be used as a quantitative tool for the determination of the chemical composition of the surface region of...

UPS Studies of Virgin CO on W(100)

January 1, 1976

Author(s)

D Sandstrom, B Waclawski

The adsorption of CO on W(100) at 80 K has been studied by photoelectron spectroscopy at hv=21.22 eV, and the results have been correlated with previous data...

Electron Attenuation Lengths for Free-Electron-Like Metals

January 1, 1976

Author(s)

David R. Penn

Mean free paths for electrons in bulk jellium are calculated for hot electrons with energies from a few hundred to a few thousand electron volts and for values...

Photoelectron Spectra of Adsorbed Species on Tungsten

January 1, 1976

Author(s)

E. W. Plummer, B Waclawski, Theodore V. Vorburger, C Kuyatt

Effect of Strain on the Critical Current of Nb₃Sn and NbTi Multifilamentary Composite Wires

January 1, 1976

Author(s)

John (Jack) W. Ekin, Alan F. Clark

Effect of Stress on the Critical Current of NbTi Multifilamentary Composite Wire

January 1, 1976

Author(s)

John (Jack) W. Ekin, F R. Fickett, Alan F. Clark

Effect of Stress on the Critical Current of Nb₃Sn Multifilamentary Composite Wire

January 1, 1976

Author(s)

John (Jack) W. Ekin, John W. West

Tests of Cryogenic SQUID for Geomagnetic Field Measurements

December 31, 1975

Author(s)

J. E. Zimmerman, W. H. Campbell

Angle-Resolved Photoemission from Crystal-Field Split d Shells of Adsorbed Atoms

December 15, 1975

Author(s)

John William Gadzuk

Extra-Molecular Relaxation Energies for H2 Embedded in an Electron Gas

December 15, 1975

Author(s)

John William Gadzuk

Photoemission for Xe Physisorbed on W(100): Evidence for Surface Crystal-Field Effects

December 8, 1975

Author(s)

B Waclawski, J F. Herbst

Photoemission spectra at hv=21.2 eV reveal two 5p levels for xenon physisorbed on a tungsten (100) surface. The spin-orbit splitting of the two levels and their...

Angle Resolved Photoemission from Chemisorbed Layers: Further Theoretical Considerations

December 1, 1975

Author(s)

John William Gadzuk

In recent theoretical work by Gadzuk and by Liebsch, the importance of angle resolved photoemission studies of surfaces and chemisorbed atoms has been...

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