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Towards general diffractometry. III. Beyond the normal‐beam geometry
Author(s) -
Dera Przemysław,
Katrusiak Andrzej
Publication year - 2001
Publication title -
journal of applied crystallography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.429
H-Index - 162
ISSN - 1600-5767
DOI - 10.1107/s0021889800011882
Subject(s) - diffractometer , formalism (music) , geometry , optics , physics , materials science , crystallography , mathematics , chemistry , scanning electron microscope , art , musical , visual arts
The concept of a general four‐circle diffractometer has been realised by introducing axial misalignments into mathematical formulae describing the diffractometer geometry. The advantage of using the described diffractometer formalism for routine measurements is discussed. Transformations of the setting angles of the reflections between different diffractometers, as well as the propagation of errors arising from the misalignment of axes, are taken into account.