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You searched on: Author: eric shirley

Displaying records 141 to 150 of 155 records.
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141. Optimally Toothed Apertures for Reduced Diffraction
Published: 1/1/1996
Authors: Eric L Shirley, Raju Vsnu Datla

142. Photoemission and Optical Properties of C^d60^ Fullerites, ed. by J.R. Chelikowsky and S.G. Louie
Published: 1/1/1996
Authors: Eric L Shirley, S G Louie

143. Self-consistent GW and Higher-order Calculations of Electron States in Metals
Published: 1/1/1996
Author: Eric L Shirley

144. Simulating X-ray Fluorescence in Graphite and Boron Nitride
Published: 1/1/1996
Author: Eric L Shirley

145. Dielectric Function of Wurtzite GaN and AIN Thin Films
Published: Date unknown
Authors: L X Benedict, Eric L Shirley, T Wethkamp, K Wilmers, C Cobet, N Esser, W Richter, M Cardona
Abstract: We present measurements and calculations of the dielectric function of wurtzite GaN and AIN. Spectroscopic ellipsometry was used to determine {epsilon} (omega) of thin film samples in the energy range from 3 eV to 9.8 eV. Calculations of {epsilon} ...

146. Far-Infrared Two-Phonon Absorption in GaP and GaAs
Published: Date unknown
Authors: Simon Grant Kaplan, H M Lawler, Eric L Shirley, S Bhat, M E Thomas
Abstract: We present detailed temperature dependent absorption spectra of GaP and GaAs at wavenumbers from 20 cm-1 to 350 cm-1 and temperatures between 10 K and 295 K. Comparison of the experimental data with the predictions of recent ab initio anharmonic lat ...

147. Final-State Rule vs. the Bethe-Salpeter Equation for Deep-Core X-ray Absorption Spectra
Published: Date unknown
Authors: J J Rehr, J A Soininen, Eric L Shirley
Abstract: The independent-electron approximation together with the final-state rule provides a well established method for calculating x-ray absorption spectra that takes into account both core-hole effects and inelastic losses. Recently a Bethe-Salpeter Equa ...

148. Local Screening of a Core Hole: a Real-Space Approach Applied to Hafnium Oxide
Published: Date unknown
Author: Eric L Shirley
Abstract: An approach to screening a core hole s potential in solids for purposes such as theoretical near-edge spectrum calculations is developed. In this approach, the core hole s unscreened potential is decomposed into a short-range part and long-range par ...

149. Modeling Core-Hole Screening in Core-Excitation Spectroscopies
Published: Date unknown
Authors: Eric L Shirley, J A Soininen, J J Rehr
Abstract: We consider screening of the core-hole potential experienced by the ejected electron in core-excitation processes. This potential affects near-edge structure strongly, but it appears difficult to consistently obtain reliable screened core-hole poten ...

150. Multi-Pole Representation of the Dielectric Matrix
Published: Date unknown
Authors: J A Soininen, J J Rehr, Eric L Shirley
Abstract: A good approximation for the electron self-energy or the electron quasiparticle properties is needed for an accurate calculation of x-ray absorption spectra. The GW approximation (GWA) has been found to be relatively reliable in predicting the quasi ...

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