Abstract
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 language | English |
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Pages (from-to) | 79-83 |
Journal | Journal of Applied Crystallography |
Volume | 22 |
Issue number | 2 |
DOIs | |
Publication status | Published - 1989 |
MoE publication type | A1 Journal article-refereed |
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Background-filtered transmission diffraction with internal intensity calibration. / Hiismäki, Pekka.
In: Journal of Applied Crystallography, Vol. 22, No. 2, 1989, p. 79-83.Research output: Contribution to journal › Article › Scientific › peer-review
TY - JOUR
T1 - Background-filtered transmission diffraction with internal intensity calibration
AU - Hiismäki, Pekka
PY - 1989
Y1 - 1989
N2 - It is inferred that by frequency filtering the logarithm of the time-of-flight spectrum of neutrons that have passed through a powdered isotropic crystallinesample 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 impliesautomatic internal calibration of the Bragg intensities.For utilization of the inherent high resolution of the transmission geometry, a Fourier chopper in thepulsed beam from an intensity-optimized quasisteady-state moderator is suggested. Results of model calculations are presented.
AB - It is inferred that by frequency filtering the logarithm of the time-of-flight spectrum of neutrons that have passed through a powdered isotropic crystallinesample 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 impliesautomatic internal calibration of the Bragg intensities.For utilization of the inherent high resolution of the transmission geometry, a Fourier chopper in thepulsed beam from an intensity-optimized quasisteady-state moderator is suggested. Results of model calculations are presented.
U2 - 10.1107/S0021889888010015
DO - 10.1107/S0021889888010015
M3 - Article
VL - 22
SP - 79
EP - 83
JO - Journal of Applied Crystallography
JF - Journal of Applied Crystallography
SN - 0021-8898
IS - 2
ER -