diffraction symmetry

diffraction symmetry

[di′frak·shən ‚sim·ə·trē]
(crystallography)
Any symmetry in a crystal lattice which causes the systematic annihilation of certain beams in x-ray diffraction.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The mineral is cubic, a = 3.901 [Angstrom], with no systematic space-group extinctions and m3m diffraction symmetry. The space group is assumed to be P-m3m (221) by analogy with the synthetic inorganic equivalent compound (see below).