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 Results for DC.creator="A." AND DC.creator="Le" AND DC.creator="Bail" in section 3.5.3 of volume H
Background-estimation effects
Le Bail, A.  International Tables for Crystallography (2019). Vol. H, Section 3.5.3.3, pp. 284-285 [ doi:10.1107/97809553602060000950 ]
Background-estimation effects 3.5.3.3. Background-estimation effects Logically, a background value will never be higher than the observed intensity ... estimated. In the first refinement cycles by the Pawley or Le Bail methods, it is preferable to keep the background fixed ...

Preferred-orientation effects
Le Bail, A.  International Tables for Crystallography (2019). Vol. H, Section 3.5.3.2, p. 284 [ doi:10.1107/97809553602060000950 ]
... to be used for structure solution. In transmission geometry with a capillary specimen (provided that it is not composed of long ... even if it is not obvious in the data. Collecting a second pattern from a sample dusted onto the holder through a fine sieve ...

Consequences of (exact or accidental) overlap
Le Bail, A.  International Tables for Crystallography (2019). Vol. H, Section 3.5.3.1, p. 284 [ doi:10.1107/97809553602060000950 ]
... the |Fhkl| values of overlapped reflections cannot be overcome in a single powder-diffraction experiment. This problem has led to various ... work either directly on the raw powder pattern or on a pseudo pattern built from the extracted |Fhkl| values, so that wrong individual values are less of a problem, since only the sums of the contributions in ...

Pitfalls in the extraction of accurate |Fhkl| values using the Pawley and Le Bail methods
Le Bail, A.  International Tables for Crystallography (2019). Vol. H, Section 3.5.3, pp. 284-285 [ doi:10.1107/97809553602060000950 ]
... the extraction of accurate |Fhkl| values using the Pawley and Le Bail methods 3.5.3. Pitfalls in the extraction of accurate |Fhkl values using the Pawley and Le Bail methods | In the Rietveld refinement guidelines published by ...

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