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Updated: Jul 19, 2026

Measurement and Analysis of Atomic Hydrogen and Diatomic Molecular AlO, C2, CN, and TiO Spectra Following Laser-induced Optical Breakdown
Published on: February 14, 2014
Probing local and long-range structure simultaneously: an in situ study of the high-temperature phase transition of
Peter J Chupas1, Santanu Chaudhuri, Jonathan C Hanson
1Department of Chemistry, State University of New York at Stony Brook, Stony Brook, New York 11794, USA.
Abstract:
We show in this Communication that the combination of Rietveld and pair distribution function (PDF) analyses allows unique insight into the nature and driving force of the phase transition of alpha-AlF3, which was not available from conventional structural analysis methods alone. The use of image plate technology allows structural changes to be followed in "real time" and reduces the time required to collect high-resolution PDF data from hours (with a conventional solid state detector) to seconds. This methodology produces raw data that can simultaneously be analyzed by both Rietveld and PDF analysis.
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