Background-filtered transmission diffraction with internal intensity calibration

Pekka Hiismäki

Research output: Contribution to journalArticleScientificpeer-review

Abstract

It is inferred that by frequency filtering the logarithm of the time-of-flight spectrum of neutrons that have passed through a powdered isotropic crystalline
sample a diffractogram may be obtained with many desirable properties for achieving high-quality refinement of structural parameters.
Apart from multiple scattering no wavelength-dependent effects or corrections need to be introduced, which implies
automatic internal calibration of the Bragg intensities.
For utilization of the inherent high resolution of the transmission geometry, a Fourier chopper in the
pulsed beam from an intensity-optimized quasisteady-state moderator is suggested. Results of model calculations are presented.
Original languageEnglish
Pages (from-to)79-83
JournalJournal of Applied Crystallography
Volume22
Issue number2
DOIs
Publication statusPublished - 1989
MoE publication typeA1 Journal article-refereed

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