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Topic Area: Condensed Matter Physics
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Displaying records 101 to 110.
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101. Electron mean free paths for free-electron-like materials
Topic: Condensed Matter Physics
Published: 6/15/1976
Author: David R. Penn
Abstract: 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^ds^ for 1.5 to 5 where r^ds^ is the average distance between valence electrons measured in units of t ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620125

102. Core Level Shifts in the 3d Transition Metals and Tin
Topic: Condensed Matter Physics
Published: 3/15/1976
Authors: R E Watson, M L Perlman, J F Herbst
Abstract: We present estimates of various contributions to the free-atom-metal binding-energy shifts, {Delta}E^dB^, for the 2>s and 2p core levels of teh iron series elements and, for comparison, the 3 d^ds/2^ level of Sn. Our results indicate that the sharp ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620115

103. 4f Excitation Energies in Rare-Earth Metals: Relativistic Calculations
Topic: Condensed Matter Physics
Published: 2/15/1976
Authors: J F Herbst, R E Watson, J W Wilkins
Abstract: We describe calculations of 4f electron binding energies for the rare-earth metals. Relativistic Hartree-Fock calculations for atomic configurations most closely approximating those of the metals are initially performed, and crystal potentials are c ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620108

104. Effect of Ground State and Excitation Potentials on Energy Levels of Ni Metal
Topic: Condensed Matter Physics
Published: 2/15/1976
Authors: R E Watson, J F Herbst, L Hodges, B I Lundqvist, J W Wilkins
Abstract: Self-consistent energy-band calculations for paramagnetic Ni have been performed in an effort to compare ground-state and excitationpotential prescriptions; potentials of the Hartree-Fock-Wigner-Seitz and Hedin-Lundqvist type are examined. We find t ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620109

105. Cross Sections for Ionization of Inner-Shell Electrons by Electron Impact
Topic: Condensed Matter Physics
Published: 1/1/1976
Author: Cedric John Powell
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620104

106. Electron Attenuation Lengths for Free-Electron-Like Metals
Topic: Condensed Matter Physics
Published: 1/1/1976
Author: David R. Penn
Abstract: 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 of r^ds^ from 1.5 to 5. Exchange and correlation effects are included and the results are ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620105

107. Extra-Molecular Relaxation Energies for H2 Embedded in an Electron Gas
Topic: Condensed Matter Physics
Published: 12/15/1975
Author: John William Gadzuk
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620099

108. Excitation energy dependence of core-level x-ray-photoemission-spectra line shapes in metals
Topic: Condensed Matter Physics
Published: 7/15/1975
Authors: John William Gadzuk, M Sunjic
Abstract: Creation of a deep localized hole in the process of x-ray photoemission from metals is followed by a drastic rearrangement of the surrounding electrons in the Fermi sea. This rearrangement in which low-energy electron-hole pairs are produced, in anal ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620084

109. 5f-Electron Excitation Energies and the Coulomb Term, U, in the Light Actinide Metals
Topic: Condensed Matter Physics
Published: 6/2/1975
Authors: J F Herbst, R E Watson
Abstract: Relativistic Hartree-Fock-Wigner-Seitz band calculations have been performed for the actinide metals Ac through Am in order to estimate 5f excitation energies. Our calculations predict that the tetravalent state (i.e., four s-d conduction electrons) ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=620082

110. Observations and modeling of normal-metal/insulator/superconductor refrigerator cooling from 300 mK to below 100 mK
Topic: Condensed Matter Physics
Published: Date unknown
Authors: Galen C O'Neil, Peter Joseph Lowell, Joel Nathan Ullom, Jason M Underwood
Abstract: In a refrigerator, heat is moved from one system to another and this movement requires an additional dissipated power. It is desirable to both isolate the cooled system, so that its temperature may differ from the bath, and to heatsink the heated sys ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909267



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