ACCURACY OF SINGLE-CRYSTAL TIME-OF-FLIGHT NEUTRON-DIFFRACTION - A COMPARATIVE-STUDY OF MNF2

被引:21
|
作者
JAUCH, W
SCHULTZ, AJ
SCHNEIDER, JR
机构
[1] ARGONNE NATL LAB,DIV CHEM,ARGONNE,IL 60439
[2] ARGONNE NATL LAB,DIV MAT SCI,ARGONNE,IL 60439
关键词
Fluorine compounds - Manganese compounds - Neutron sources - Gamma rays - Neutron diffraction - Neutrons - Crystal structure;
D O I
10.1107/S0021889888009318
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The degree of accuracy that can be obtained at present with single-crystal time-of-flight (TOF) neutron diffraction is assessed. TOF neutron data were collected for MnF2 at room temperature and 15 K on the single-crystal diffractometer, SCD, at the Argonne pulsed spallation neutron source, IPNS. From the same crystal used in the neutron study, extensive γ-ray diffraction data were measured at room temperature and 11 K. The severely extinguished neutron data can be properly corrected on the basis of conventional extinction models. The study shows that very accurate crystal-structure parameters can be obtained from the single-crystal TOF technique. © 1988, Wiley-Blackwell. All rights reserved.
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页码:975 / 979
页数:5
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