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X-Ray Characterization of Non-Equilibrium Solid Solutions

Abstract

The Rudman approach to composition line broadening in X-ray diffraction patterns, originally designed for the study of diffusion in alloys, is seen to provide a basis for characterizing inhomogeneous solid solutions. Limitations, imposed on this treatment when the cell dimensions of the primary components differ by less than 0.1 A, are attributable to experimental effects such as instrument broadening. These limitations can be overcome by a rigorous numerical treatment of the measured data. Thus, separate elimination of the Kalpha{sub 2} radiation component followed by iterative deconvolution are advocated for the recovery of the intrinsic broadening. This course of action is made possible chiefly through the availability of large, fast memory computers and primary data recorded in the form of a step scan on punched paper tape. The characteristics of inhomogeneous solid solutions made available by the above treatment are the identity of closely similar, solid solution phases, the frequency distribution curve for a chosen component, and the degree of homogeneity of the X-ray sample
Publication Date:
Jul 01, 1975
Product Type:
Technical Report
Report Number:
AE-507
Resource Relation:
Other Information: 7 refs., 8 figs.
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; LINE BROADENING; X-RAY DIFFRACTION; SOLID SOLUTIONS; SPECTRA UNFOLDING
OSTI ID:
922501
Research Organizations:
AB Atomenergi, Nykoeping (Sweden)
Country of Origin:
Sweden
Language:
English
Other Identifying Numbers:
TRN: SE0808046
Availability:
Commercial reproduction prohibited; OSTI as DE00922501
Submitting Site:
SWDN
Size:
36 pages
Announcement Date:
Jan 28, 2008

Citation Formats

Brown, A, and Rosdahl, Oe. X-Ray Characterization of Non-Equilibrium Solid Solutions. Sweden: N. p., 1975. Web.
Brown, A, & Rosdahl, Oe. X-Ray Characterization of Non-Equilibrium Solid Solutions. Sweden.
Brown, A, and Rosdahl, Oe. 1975. "X-Ray Characterization of Non-Equilibrium Solid Solutions." Sweden.
@misc{etde_922501,
title = {X-Ray Characterization of Non-Equilibrium Solid Solutions}
author = {Brown, A, and Rosdahl, Oe}
abstractNote = {The Rudman approach to composition line broadening in X-ray diffraction patterns, originally designed for the study of diffusion in alloys, is seen to provide a basis for characterizing inhomogeneous solid solutions. Limitations, imposed on this treatment when the cell dimensions of the primary components differ by less than 0.1 A, are attributable to experimental effects such as instrument broadening. These limitations can be overcome by a rigorous numerical treatment of the measured data. Thus, separate elimination of the Kalpha{sub 2} radiation component followed by iterative deconvolution are advocated for the recovery of the intrinsic broadening. This course of action is made possible chiefly through the availability of large, fast memory computers and primary data recorded in the form of a step scan on punched paper tape. The characteristics of inhomogeneous solid solutions made available by the above treatment are the identity of closely similar, solid solution phases, the frequency distribution curve for a chosen component, and the degree of homogeneity of the X-ray sample}
place = {Sweden}
year = {1975}
month = {Jul}
}