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International
Tables for Crystallography Volume G Definition and exchange of crystallographic data Edited by J. R. Hester and B. McMahon © International Union of Crystallography 2026 |
International Tables for Crystallography (2026). Vol. G. Early view chapter
https://doi.org/10.1107/97809553602060001011 Chapter 4.2 Core dictionary (coreCIF) |
Core dictionary version 3.3.0
_diffrn_source.size
Name:_diffrn_source.size
Alias:
_diffrn_source_size
Definition:
A description of the collimated source beam as viewed from the sample.
Examples:| '8 mm x 0.4 mm fine-focus' |
| 'broad focus' |
| '300 nm electron beam in NBED (nano-beam electron diffraction)' |
| '1 micrometre aperture size in SAED (selected-aperture el. diffr.)' |
Type: Text
Category:
diffrn_source
