Ultrasoft X-Ray Bragg and Specular Reflection: The Effects of Anomalous Dispersion.

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Abstract:

The objective of this work has been twofold first, to test a method for quantitatively predicting the atomic scattering factors in the sensitive, anomalous dispersion, low energy x-ray region as based upon semi-classical dispersion theory in which theoretical and experimental partial photoionization cross sections have been used to obtain the required energy dependent oscillator strength densities and second, to apply these scattering factors, with models for summing atomic, coherent scattering effects for the solid state, to predict the Bragg and specular reflection properties of practical crystal and mirror systems for the ultrasoft x-ray region.

Author(s):
Henke, Burton L. ; Perera, Rupert C. ; Ono, Ronald H.
Author Organization(s):
HAWAII UNIV HONOLULU DEPT OF PHYSICS AND ASTRONOMY
Descriptive Note:
Interim rept.,
Pagination:
0171

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
AFOSR-TR-75-0066
Contract/Grant Number(s):
AF-AFOSR-2174-72
Task Number(s):
975102
Project Number(s):
AF-9751
Monitor Series:
TR-75-0066
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
*X RAY SPECTROSCOPY, *SPECULAR REFLECTION, MIRRORS, QUANTITATIVE ANALYSIS, PLASMAS(PHYSICS), EXCITATION, SINGLE CRYSTALS, LOW ENERGY, X RAY SPECTRA, INSTRUMENTATION, TABLES(DATA), PHOTOIONIZATION, SPECTRUM ANALYZERS, MOLECULAR ENERGY LEVELS
Field(s)/Group(s):
Crystallography, Atomic and Molecular Physics and Spectroscopy
Keyword(s):
Scattering cross sections
Report Date:
1974 Aug 01