view article
Figure 4
A set of virtual constant wavelength experiments on two sets of lattice spacings. As shown in Fig. 4[link]a and 4b, the lattice spacings of the first model are 10 cm and 5 cm, respectively. The other model consists of inter­planar spacings of 9 cm and 4.5 cm, as illustrated in Fig. 4[link]c and 4d. Each set represents the base lattice spacing (h = 1) and its higher order (h = 2). A comparison of the results in Fig. 4[link]a and 4c, and Fig. 4[link]b and 4d, shows that the angular dispersion is about ten times smaller for larger lattice spacings than for smaller ones (see main text). Consequently, measuring Bragg angles and calculating values using X-ray reflections at higher diffraction angles produces more precise results with smaller errors.

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 81| Part 12| December 2025| Pages 1195-1199
https://doi.org/10.1107/S2056989025010576
Follow Acta Cryst. E
Sign up for e-alerts
E-alerts
Follow Acta Cryst. on Twitter
Twitter
Follow us on facebook
Facebook
Sign up for RSS feeds
RSS