TY  - JOUR
AU  - Wuttke, Joachim
TI  - Multiple Bragg reflection by a thick mosaic crystal
JO  - Acta crystallographica / A
VL  - 70
SN  - 1600-8596
CY  - [S.l.]
PB  - IUCR
M1  - FZJ-2014-04924
SP  - 429-440
PY  - 2014
AB  - Symmetric Bragg-case reflections from a thick, ideally imperfect, crystal slab are studied mostly by analytical means. The scattering transfer function of a thin mosaic layer is derived and brought into a form that allows for analytical approximations or easy quadrature. The Darwin-Hamilton equations are generalized, lifting the restriction of wavevectors to a two-dimensional scattering plane. A multireflection expansion shows that wavevector diffusion can be studied independently of the real-space coordinate. Combining analytical arguments and Monte Carlo simulations, multiple Bragg reflections are found to result in a minor correction of the reflected intensity, a moderate broadening of the reflected azimuth angle distribution, a considerable modification of the polar angle distribution, and a noticeable shift and distortion of rocking curves
LB  - PUB:(DE-HGF)16
UR  - <Go to ISI:>//WOS:000341686600002
C6  - pmid:25176991
DO  - DOI:10.1107/S205327331400802X
UR  - https://juser.fz-juelich.de/record/156009
ER  -